Last updated on January 13th, 2021
Choosing the best fish finder can be quite challenging given the many models and brands of fish finders available. It requires tact and knowledge of the basics of the industry to buy a fish finder that meets your individual needs and fishing style. When choosing the best fish finder, you should consider the amount of fish you intend to catch.
Will the finder help you locate more or less fish? To avoid the hassles faced when buying this great finder, you should read through this buying guide. It will enable you to understand more about fish detector features and what to look out in the market.
It is an instrument designed for the specific purpose of detecting fish in the water. The finder detects reflected impulses of the sound energy. The information about the electronic pulses reflected off the fish is displayed on the screen of the fish finder in graphic rendition.
The units of the fish finder also help in measuring the depth of the water, locating the marine debris and the bottom structure. It can just indicate one fish in the form of small icons with several arches.
The availability of fish finders’ brands, models, and types can confuse you when choosing an appropriate fish finder. The reviews of different models compiled here are among the top-rated fishfinder models in 2021.
These reviews will help you understand the features of the best fish finders before making the purchase. You don’t want to buy a fish finder that will worsen your fishing experience. That’s why we recommend prior research before hitting the market. Be sure to get invaluable information about the models, rating, and best sellers with this buying guide.
Comparisons of FishFinders in 2021
10 Best Fish Finder – Reviews for 2021!
In this section, we reviewed 10 of the Best fish finders for you. What are those? Let see the list:
Garmin Striker 4cv
Garmin Striker 4cv comes with a waypoint map that allows you easy viewing, marking and navigating, identifying items like docks, stumps and brush piles.
The device has an informative display that shows the info about GPS heading, GPS speed, distance from the point of origin and towards the destination, time of arrival and bearing among others, the display also shows images in color. The device also enables you to check the trolling speed on the screen.
The CHIRP sonar technology avails you many frequencies for a varied range of information.
It creates fish arches and enhances target separation which improves your ability to catch fish.
The flasher helps you uniquely view data. It also comes handy in ice fishing and vertical jigging. Its frequencies find fish, marks them and return to hot spots, docks, and slipways.
The CHIRP technology used on this device has a powerful transducer which enhances a clear fish detail as compared to traditional sensors. The CHIRP sends many frequencies and interprets the results differently.
This feature enables you to get a more reliable image and a clear view of what passes beneath the boat. The transducer of the latest 4cv model has both the first Garmin Chirp sonar and the new CHIRP cleave scanning sonar. The device is suitable for use both in fresh and saltwater.
- Produces clear images on the unit
- It has a side view CHIRP which alerts you when it spots to fish in your area
- Shows fish that’s up to 50m away from your location
- Essential for vertical jigging and ice fishing
- Its continuous sweeping feature assures you of noticing every movement of fish
- Lacks data entry capabilities
- Doesn’t have preloaded maps in its memory
- It’s slow in locating certain points
- It cannot be used in certain parts of the water
- Feeding in certain GPS points requires you to spend a lot of time
- Any disconnection of the battery requires you to reset the whole device
iBobber Wireless Bluetooth Smart Fish Finder
The portable fish finder is the smallest portable personal sonar fish finder available on the market today. The wireless finder syncs with the free app on the phone enabling you to carry it everywhere you go fishing.
The free app allows the syncing of iBober via Bluetooth and allows you to log water depth and temps, map waterbeds, mark spots and add photos and species in the fishing expedition.
The gadget has patented sonar fish identifier technology that provides enhanced readings 0f the fish, depth, contours, and structures under the water.
It combines a lot of technology in one device.
IBobber is the perfect tool for fishing situations that depend on size and weight such as canoeing and kayaking.
The LED beacon makes night fishing hassle-free and is essential for ice-fishing or during foggy seasons. iBober’s large contracts design enhances visibility when fishing in bright outdoor lighting. The app’s anti-glare setting aids the Fisher to see the screen when experiencing problems.
The patented fish finder also displays the fish according to size and depth thereby guiding you to fish with precision. It’s essential in finding panfish, largemouth, salmon, walleye, pike, trout, smallmouth and other types of fish located as deep as 135’ from the boat.
The trip log and the social media sharing options help you to track the date and time of the fishing expedition. It also provides you with an opportunity to share your location and adventure with your family and friends.
- Easy to set up
- It Has a wide Bluetooth coverage and range
- Can be connected with iWatch, Google Watch, IOS, and Android phones
- The store comes with free apps which can enhance your fishing expedition
- The apps have a trip-log option that allows you to gather information about the number of fishes caught.
- Superior sonar technology allows you to detect fish of every size with a color code that scans at an angle of 120-degrees.
- The LED display emits a string alarm
- It has a rechargeable battery
- The device is very useful in getting smallmouth and largemouth fish.
- The device experiences problems with Bluetooth connection in some cases.
- The depth of the fish may not be detected if the device is far away
- The app might disrupt the normal functioning of your phone battery in some cases.
Deeper Pro Plus
Deeper pro plus provides you with an opportunity to fish from anywhere be it a boat, from the shore, or even on ice.
The smartphone fish finder is compatible with both tablets and smartphones, and it allows you to view the sonar feedback on the same mobile device, the downloadable app provides other features such as Solunar Forecast calendar, for forecasting the weather, fish notes, and other unique features.
The device operates on a free Wi-Fi connection, thereby enabling you to use it anywhere so long as it’s charged.
There are some places on the sea or lake where you can’t get a network signal.
You shouldn’t worry about such cases anymore because the device will still work and help you connect with friends and family.
The device emits its own Wi-Fi field, which is a tremendous improvement from the original machine that depended on Bluetooth. Wi-Fi provides for stronger connections, and therefore fewer disconnections during use. Deeper pro models have a greater Wi-Fi connection of up to 100m as compared to the 42 M Bluetooth range provided by the original deeper model.
This sonar is wireless and can, therefore, be used anywhere. You can fish in the pond, lake ocean or even river with this device. It works better in deeper water.
It also boasts an extended battery life of about five and a half hours long. Deeper pro plus works better in both salt and freshwater. Additionally, it comes with a reliable GPS that helps you track your location and the distance from land.
Related: Read more about Deeper Smart Sonar Review
- It has its free Wi-Fi thereby saving your data charges.
- The device comes with downloadable Bathymetric maps which can be transferred to your mobile device
- It’s appropriate for different types of fishing including boat fishing, ice fishing, and kayak fishing
- Comes with a castable GPS which keeps the record of your fishing spots
- It’s light and portable
- When connected to your mobile device it will show color sonar picture of the fish or objects underwater.
- It Can only be used with one device at one time
- It’s not appropriate for use with shallow water
- Can only Work well when submerged in water
Fish Hunter 3d
Fish Hunter 3D is a portable fish finder that uses technology to help you catch as many fish as you can. The device uses a high frequency has 3D mapping features and uses Wi-Fi as opposed to Bluetooth used by other fishfinder devices.
It has a powerful Tri-frequency feature that enables it to cover a larger area. The frequency used is about 381,455,675 kHz. It has an ultra-resolution that works five times faster in a bottom coverage area than any other device.
The fish hunter 3D comes with super sonar views The Wireless Sonar is available and aids the device in 3D contouring, 3D bottom mapping, and directing ice fishing flasher view thereby helping you get a clear picture of the fish and fish as many as you can see.
The 3D mapping feature will help you get proper fishing area especially areas where trees are inside water.
Areas with many trees harbor more fish than areas without trees, because of the availability of food and oxygen.
It has a long connectivity range and can cover almost 45 m of jig tracking and up to 50m of ice-fishing depth.
The Wi-Fi connectivity of the 3D portable fish finder enhances the speed of connectivity to about four times more than Bluetooth. It is easy to use and can be used in different environments including from a shore or a boat.
- Wi-Fi connectivity makes it faster than the devices using Bluetooth
- Its long-range feature activity helps you get more fish within a short time.
- The four wireless sonar is handy when ice fishing
- The 3D wireless sonar increases the efficiency of the fish finder. It directs the fisherman to the area with more fish
- It’s more user-friendly and can be used anywhere.
- The 3D feature is not as important as a map because everything under the water seems the same.
- It works better when used with only one device at a time
Humminbird Helix 5 Di-GPS
The Humminbird Helix Di-GPS has unique cartography that locates areas with a high density of fish. Fishers can easily get a lot of fish by following the location as indicated by this device.
This device is one of the latest products from the hummingbird series.
It has CHIRP capabilities that enable it to integrate Dual Beam and down imaging.
It comes with a plus sonar together with accurate GPS for easier tracking. The uni-map base chart helps you know the mapping of the fishing area.
The SI and DI sonar functions lack super depth capability, and therefore it’s basically used in freshwater. The device can also be used off-shore with the use of its Dual Beam Plus sonar application. Its transducer covers all the sonar functions, has an efficient GPS in addition to quality charting capabilities.
- Easy to construct and use
- Has a user-friendly interface
- Comes with a full-color imaging
- Offers down and side-scanning features which enable the Fisher to scan all parts surrounding the boat for fish.
- It has an inbuilt GPS which is essential in tracking the movement and location of the vessel.
- It tracks the fishing progress quickly.
- The device is water-resistant and saves the maps which can be used for future tracking and reference
- It doesn’t have a unit cover
- The maps are not as detailed as required
- Some users may experience difficulties in reading the screen. There are some rare cases when the transducer fails to work correctly
- The mounting bracket is also very delicate and versatile
Lowrance Mark 5x Pro
Fishing has undergone revolutionary changes courtesy of the advancement in technology. Modern fishing is hassle-free and enjoyable thereby assuring the fishermen of quality results.
Nowadays it’s possible to locate the fish using technology unlike previously when everything was done manually. Lowrance Mark 5x Pro is one of the greatest investments and inventions in the field of fishing. The inclusion of technology and use of Wi-Fi makes it
This device has unique features that make it super as compared to other fish-finding and nautical navigation system. This model has a high-resolution display of 480×480.
Its screen has a diameter of 5 inches, which is ideal for an onboard structure.
This device ranks as one of the perfect choices for professionals and those who enjoy fishing as a hobby.
The device comes with a bright LED and a backlit keypad which makes it convenient to use at any time of the day. The device also has a transducer that can be easily mounted to the hull in any desired style.
- It uses an advanced CHIRP technology which makes fishing easier and enjoyable
- It has a friendly user interface
- It produces excellent picture quality thus enabling the Fisher to get a clear view of what lies beneath the boat.
- Its screen is wide enough thus providing a clear view
- It differentiates between the species and structure correctly.
- The device has free software updates that keep it updated.
- Its features are advanced even after the purchase.
- Low battery timing
Ray-Marine Dragonfly 4 Pro
Raymarine Dragonfly 4 Pro is one of the best fish finders that comes with a sonar/ GPS combo with a downVision conventional sonar that allows you to locate fish deeper in the water.
The finder is bonded for displaying sharp colors, wide viewing angles and doesn’t have internal fogging as is the case with other poor quality finders. The device also comes with coastal maps that help you locate your location along the US rivers and lakes.
The micro-SD allows you to save the screenshots of your best catch and share it with friends using the WI-fish mobile app.
The Wi-Fish also helps you rewind, save and share your expeditions on social media.
Dragonfly combines GPS navigation with the advanced dual-channel CHIRP sonar to give explicit guidance and easily identify fish and underwater objects.
The gadget has a 4.3’’ all-weather high definition Led display enabling the Fisher to read the screen while fishing at night.
- Enhanced GPS navigation and Raymarine tracker help you track your location and reduces the chances of getting lost.
- The high display resolution on the widescreen
- Easy installation
- More accurate color display of fish
- Pocket-friendly price
- Provides an accurate identification of the bait and the target
- It’s light and therefore easy to mount therefore it fits in the visual field as you cruise your boat
- It has a bright touch screen that doesn’t fog up during fishing.
- The Wi-Fish app helps your family to know your location and share in your passion.
- Requires carrying an extra battery when going for a long fishing expedition
- You also need to have a basic understanding of the nautical measurements because of the Raymarine’s advanced system.
- The use of GPS requires you to practice thoroughly to understand the basics. Too much practice hinders sufficient concentration on fishing.
Garmin echo 551dv
The device has an advanced transducer that is capable of both conventional dual beam sonar and DownVu. The transducer uses a high 500-watt power output thereby allowing the sonar to remarkable depths.
It is perfect for deep water fishing because it has a depth capability of 2300 feet. The Garmin echo 551 dv has a sonar that is essential in separating the bottom structure from the targeted fish. The DownVu scanning gives clear photo-like images of the structure and the fish in the water.
It also backs dual beam sonar with 77kHz and 200 kHz.
The Garmin Echo 551dv has a 5-inch display with a pixel resolution of 480×640.
It provides bright and clear images that show clear differences in details such as fish arches and bottom structure.
You can either view the output on the screen vertically or horizontally. Both options have a zoom feature that enables you to get a clear reading of the sonar results. The screen view function allows you to view different sonars at the same time, thereby providing you access to vast underwater detail.
Other features include an ultra scroll for targeting fish arches when the boat is at high speed, a bottom lock for showing the returns from the bottom and displaying the base, advanced smooth scaling technology designed to give a seamless transition from shallow to deeper water and vice-versa.
It also has an A-scope that shows the fish passing through the transducer beam and an adjustable depth line that indicates the depth of the objects under the boat. The AutoGain technology helps you to adjust the viewing of the fish and maximizing targets.
- A powerful sonar
- Has Bright color images
- Unique HD –ID transducer
- Screen with both horizontal and vertical modes and a zoom option
- Can sense the water temperature
- High depth capability and sonar history rewind
- Sometimes experiences problems with Chart plotting and GPS
Humminbird Helix 7 di-GPS
The Humminbird fishfinder comes with a 7-inch display that has a pixel resolution of 800x 480. It enables the user to see clear images of the objects underwater. You can quickly detect arches and other objects under the water.
Its aspect ratio allows you to get a wide-angle view of things underwater. The display glass is bonded thereby minimizing the glare and ensuring the unit can be used during the day hassle-free without unnecessary straining to get a clear view of the screen.
It provides the best visibility when in the sun. Its LED-backlit display offers enough light which ensures the onscreen data is readable.
It also has IPX7 waterproof level which protects it during a rainy fishing day. The waterproof feature means that the device will still work well when submerged in one and a half depth of water. It’s however advisable always to keep the unit dry.
The extra RAM feature complements with the processor within the unit thus providing enough space for processing the saved images at a faster rate.
It also enables users to experience higher sonar rates.
The uploaded images are displayed quickly without unnecessary buffering as is the case with other fishfinders.
Additionally, the unit has GPS capability and a Micro SD Card slot. Micro SD cards enhance the transferability of data from one medium to another.
With the card, you can capture, record, and share sonar images. Humminbird Helix 7 DI GPS has a GPS capability that stores closer to 45 routes and 2,500-waypoints. The GPS keeps position history and locates your location in addition to tracking the current time activities;
- It displays bright images due to its 7-inch color display with an 800×480 pixel resolution.
- Enough brightness due to the LED display
- Has a GPS capability that allows the use of mapping function
- Light and easily portable
- A significant aspect ratio of 16:9
- It is very costly and thus not affordable to everyone.
- Requires interchanging of the SD cards all the time
Raymarine Dragonfly 7 Pro
The Raymarine Dragonfly 7 Pro is among the most recent inventions in the field of fish finders. It has Familiar CHIRP technology that passes signals through the water. The dragonfly can also interpret and return better signals than any other device.
It’s structured to display with enhanced clarity and detail. The display comes with the latest optical-bonding LCD technology that features brighter colors and all-weather performance. You can get high-quality images of what is under the boat both fresh and saltwater as deeper as 180 meters.
With this device, you can easily track and avoid hitting the underwater obstacles in the shallow water.
It has an inbuilt GPS which helps in mapping and tracking of the position.
It’s Wi-Fi enables you to stream data from friends or saves on your mobile device for further reference.
The device can be mounted on a boat or carried along due to its lightweight and smaller size.
The product has a friendly user interface and can be operated by both experts and novices. The display and navigating settings are bright and easy to use and follow. You only need to switch it on and start looking for fish as soon as you purchase it. We have reviewed Raymarine Dragonfly 4 Pro before if you can remember
- It has clear images due to its broad spectrum of frequencies. It enables you to differentiate between predator fish, target fish and other objects under the water.
- It comes with all necessary things for easier fishing including bracket, transom mount, power cable and a detailed user’s manual
- It’s easy to use
- It has a multi-language feature making it easy to use in all parts of the world.
- It has an all-weather feature making it ideal for use in all types of weather.
- It has a short cable. You will need to buy another extension cable when using it in big boats.
- Shipping Restrictions – The shipping can only be shipped within the US.
Things To Look Out For When Buying A Fish Finder
There are many types and models of fish finders available in the market. So it can become quite challenging and time-consuming to find the right model to purchase. You need to carry out thorough research so that to know the best type of fish finder.
What is fishfinder?
This is a sonar instrument that is made specifically to detect fish underwater. It detects reflected impulses of sounds. All the reflected electronic impulses are converted into information which is then displayed in a graphic on the screen of the machine.
Also, these units measure the depth of the locating underwater debris, water, and the bottom structure. The Picture that is typically found on the screen of the device can represent one fish that is in the form of a small icon.
How to Buy the Fish Finder
Nowadays there are many fish finders and types of fish locators that have come to the market. Therefore, it becomes difficult to know the right unit to meets your style and needs.
You need to be very careful when buying so that not to make any mistake that might cost you a lot of money. The first thing that you are required to put into consideration is whether the tool will help you to catch a lot of fish.
To reduce the hassle that comes with buying a new gadget, it is essential that you consider factors such as a Transducer, power, display, portability, and frequency. Below are several factors that will guide you in purchasing the finder.
Factors To Consider When Buying
1.Display [color, size, and resolution]
The display is a very crucial factor that you need to find. It is all about pixel since, if you have more pixels, you will be able to see more details. For you to get a sharper image and good resolution, you will need to invest a lot of cash. The displays of these devices come in different sizes.
For instance, a bigger screen is likely to give you a clearer and good picture. It is also easier to differentiate on it all the information that usually displayed like numbers and echoes. Also, you can decide to choose either color or black and white depending on your budget.
If you are working on a tight budget, then black and white will work for you. The importance of color screen includes easier viewing of the screen in bright light, showing greater details of many colors and simpler ways of viewing what is underwater.
When buying a fish locator, you need to purchase the unit that has the right frequency. The frequency is closely related to the angle of the cone. Most transducers, you are likely to find frequencies such as 50, 83,192 and 200 kHz.
High frequency will provide you with more detail on the screen. Thereby, you need to choose a model that has a higher frequency. You can look for units that have dual, single or multiple frequencies.
This is the major part of the fish finder. The transducer works by sending sound waves and detects what is in the underwater. The sonar sound that it sends into water is then picked up by the transducer.
This signal is later translated into an image. An essential feature in the transducer is the cone angle. Selecting a wider cone will offer you wider coverage of underneath water enabling you to locate more fish.
Power is an important feature that you need to look out for before purchasing a fish finder. The power measure of these devices is watts. When the unit has a higher wattage, it becomes more efficient and provides a better speed of showing readings.
When working on shallow water, you can consider using a device with less wattage. AS such, if you are planning on fishing in deep waters, it is recommendable that you look for more powerful units.
When choosing a fish locator, it is always your choice to pick a portable or a fixed unit. However, buying a mobile unit is a better option if you like ice fishing.
The portable unit comes with its carrying bag and battery power supply. The device comes with a transducer that is usually attached to the transom. On the other hand, a fixed unit will work well with the watercraft owners and settled fishers.
Benefits of Buying Fish Finder
In this era, the effects of technology can be felt in almost every industry. Advanced technology can be experienced even in fishing about modern fishing equipment.
A fish finder is a perfect example of the technological advancement in the fishery. Fishfinders are electronic devices that are very helpful during a fishing excursion because they help find more fish within the shortest time possible.
A fish finder is a fantastic tool that can be beneficial to a beginner as well as professional fishers. Here are some of the reasons why you should use a fish finder the next time you go fishing.
- Determining the location of fish
If you are a bigger, one of the possible challenges that you will face when fishing is locating fish. With a fish finder, determining the location is not a big deal since you can see the location of the fish you want underwater on a big screen.
Boats that have fish finders installed will help you determine the presence of fish quickly. With a tool of this kind, locating a school of fish is not tough.
- Determining Depth
Before placing bait underwater, the first thing that you should think about is determining water depth. You want to be sure that you drop your bait in the correct location underwater. It will help you do that and assist you in fish in the deepest part of the sea.
- Guessing Fish Size
Many people are excited about the catch. At times, t’s hard to know the size of your catch because you can’t see inside the water. However, the screen of a finder allows you to guess the size of the fish when it is still underwater. Therefore, you will get home with your target fish.
- Assuming The Number of Fish
Considering the number of fishes that a school has is almost impossible. With a fish finder, making that assumption is something that can be done without strain.
Assuming the number of fish is possibly the best thing that you can do before you start fishing. Check on the screen of the finder to see the number of fish where you have or are about to place your bait.
- Understanding The Speed of Wave and Water Temperature
Many fishers don’t know the speed of the wave, but with a finder that has a GPS, it is possible to understand waves. Understanding the speed and turn of wave help avoid hassle during fishing.
Fishfinders are designed in a way such that you will get wave alert even from a longer distance. Also, you can determine the temperature of the water if your finder is GPS enabled.
Frequently Asked Questions (FAQs)
- How does transducer work?
Answer: This is the primary part of the fish locator. It operates by sending sound waves and showing what is in the underwater.
The sonar signal that is transmitted by the transducer bounces off of the objects that are underneath the water surface then picked up by the transducer. This signal is later translated into an image.
- Why is portable fish finder beneficial?
Answer: Portable fish locators are helpful since they are not bulky and so can move with them from one place to another.
They normally come with their carrying bag and battery power supply. Portable units have a transducer that is already attached to the transom with the help of a suction cup.
- The power measurement of the fish finder unit is?
Answer: Power is an essential feature that should be highly considered when buying a fish finder. Power in these devices is measured in watts. When the unit has a higher wattage, it gives better efficiency and better speed of displaying reading.
- Give an example of a portable fish finder?
Answer: One of the most popular portable finders are Garmin Striker 4 and Norcross HawkEye F33P. They are innovative devices that are so easy to use. They are also a well-designed unit for beginners.
Like any other activity, fishing is a great activity, and you can easily engage in with your friends or family. It is therefore important to ensure that you get the right units and equipment that will improve your fishing experience.
If you are planning on fishing, it is advisable that you consider buying a fish finder. It provides anglers that have many advantages. Make a point of going through the review that I have listed above.
In the review, I have listed the gadgets that are most popular. All the reviews contain ratings and positive feedback from the users.
Depending on your needs one type of finder might be the right choice for you. There are various factors such as budget and others that you should take into consideration.
Before you make any purchase, you need to know whether you require a portable device or a fixed unit that is mounting your boat.
You may also require asking yourself whether the fish locator is sufficient for your needs or you need integral GPS in the unit. I hope that with all the information that I have provided you will get the best fish finder that suits you best.
You may like to have a look at our top fishfinder GPS combo review.