Best Cheap Fish Finders In July 2025

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With the number of alternatives available on the market, getting the right one could sometimes be a difficult task.. That’s why our platform is dedicated to product testing and coming up with this list of top 10 Best Cheap Fish Finders. Having done thorough research on this topic, we hope that our list will help you find the one you need!

To help you in your search, we have completed this list of the Best Cheap Fish Finders.

Top Rated Best Cheap Fish Finders Of 2025

Rank	Product Name	Score
1	Humminbird 410150-1 PIRANHAMAX 4 Fish Finder,Black Buy Now	9.7 Buy Now
2	Lowrance HOOK2 4X - 4-inch Fish Finder with Bullet Skimmer Transducer, Gray, One Buy Now	9.5 Buy Now
3	Deeper Start Smart Fish Finder - Castable Wi-Fi Fish Finder for Recreational Fishing Buy Now	9.1 Buy Now
4	ReelSonar CGG-MY-IBOBBER iBobber Wireless Bluetooth Smart Fish Finder for iOS and Android devices,Classic,Small Buy Now	8.8 Buy Now
5	Deeper PRO Smart Portable Sonar - Wireless Wi-Fi Fish Finder for Kayak Buy Now	8.6 Buy Now
6	Venterior Portable Rechargeable Fish Finder Wireless Sonar Sensor Fishfinder Depth Locator with Fish Buy Now	8.3 Buy Now
7	HawkEye Fishtrax 1C Fish Finder with HD Color Virtuview Display Buy Now	8.1 Buy Now
8	Lowrance HOOK2 4X - 4-inch Fish Finder with Transducer and GPS Buy Now	7.8 Buy Now
9	Lowrance HOOK2 5X - 5-inch Fish Finder with SplitShot Transducer and GPS Plotter Buy Now	7.5 Buy Now

1. Humminbird 410150-1 PIRANHAMAX 4 Fish Finder,Black

• Sonar coverage 28 & 16 @ -10db
• Dual beam sonar
• Depth sonar 320 ft (20) 455 khz, 600 ft (20) 200 khz
• Display size diagonal - 4.3-inch
• 2400 watts ptp/300 watts rms

2. Lowrance HOOK2 4X - 4-inch Fish Finder with Bullet Skimmer Transducer, Gray, One

• Easy setup: a single transducer can be mounted on the transom, inside the hull, on the trolling motor or through a scupper hole.
• Easy to use: the lowrance hook2 4x fish finder features auto-tuning sonar and phone-like menus giving you more time to spend fishing and less time dealing with settings.
• Transducer included: the included bullet skimmer transducer gives you traditional 2-d sonar (fish arch) views.
• Wider sonar coverage: the hook2 4x offers a wide-angle sonar cone giving you double the coverage of traditional fish finders.

3. Deeper Start Smart Fish Finder - Castable Wi-Fi Fish Finder for Recreational Fishing

• Easy-to-use deeper app displays fish location, depth and size, water bottom contour and vegetation. download the app for free. deeper app has over 2 million downloads to date and is updated monthly.
• * portable, cartable wireless fish finder for family trips, fishing with friends or casual anglers.
• Automatic night fishing mode, lightweight for comfortable casting, sleek design for easy reeling, 6-hour battery life with 2. 5 hour recharge. compatible with android and ios devices.
• Utilizes smart technology with wi-fi connectivity. no mobile data or internet required. the start generates its own wi-fi signal, anytime, anywhere.
• Casts out to 165 ft. and scans down to 165 ft. with 40 sonar beam for accuracy and coverage. every scan automatically saved with time and location.

4. ReelSonar CGG-MY-IBOBBER iBobber Wireless Bluetooth Smart Fish Finder for iOS and Android

• Led beacon
• 2 snap swivel connections for use as bobber or as remote fish finder
• Bluetooth smart sync up to a distance of 100' for best battery life on the market
• 10+ hrs battery life.syncs with ios (apple) 10.0 and later operating systems and android 4.3 or later that use bluetooth smart (4.0)
• Depth-tagged fish icons color coded by size
• Gps spot tagging with interactive map

5. Deeper PRO Smart Portable Sonar - Wireless Wi-Fi Fish Finder for Kayak

• Create bathymetric maps when trolling from a kayak (or small boat) or while hole hopping when ice fishing, enjoy free access to lake book, deeper' s bathymetric management platform where you can save, review and analyze all of your maps on any device
• Find fish and hot-spots faster, see fish location, their size and suspended depth as well as underwater structure, vegetation, bottom contour and hardness, know water depth and temperature
• Versatile, wireless, cast able fish finder for avid anglers, with an emphasis on kayak and ice fishing
• Casts up to 330ft and scans down to 260ft, it operates with dual beam sonar frequency, 55 wide beam (90khz) and 15 narrow beam (290khz)

6. Venterior Portable Rechargeable Fish Finder Wireless Sonar Sensor Fishfinder Depth Locator with Fish

• It detects and displays water depth, water temperature, fish size (small/middle/big), fish depth, and bottom contour. it has work and simulation mode. measure units of depth and temperature can be converted. sonar beam angle: 105 degree. depth range: 2.6-131ft/0.8-40m. wireless distance range: 262ft/80m.
• Note: 1. please press and hold 3 seconds to turn on the display. it will turn off if depth display reads "--" for 5 minutes for power saving. 2. please allow several seconds for the unit to update the water depth when you throw the sensor onto water. 3. the sonar sensor transmitter will turn on automatically when you cast it into water. please dry it when not using it, ...
• Attention: when the sensor is off, it is not connected, and its battery indicator on the display unit is incorerct. red indicator light on the sensor will turn off when it is fully charged. if you would like to check the sensor's battery status from the display, please install the antenna onto the display and put the sensor in water. the sensor will turn on and be conne...
• No need to drill hole in your boat hull to install the sensor any more. two small holes on the wireless sensor allow you to tether with your fishing line and cast it onto water as far as you want.
• Wireless and castable: no more long & heavy cable for transducer. clear color screen: it comes with clear color tft lcd display (2 screen background colors selectable - black and white), which enables you to read the screen in bright sunlight or at night. it applies to lake, river, sea and other fishing environment. suitable for trolling from a kayak or boat, casting fr...

7. HawkEye Fishtrax 1C Fish Finder with HD Color Virtuview Display

• Fishtrax intelligent sonar delivers precise fish finder readings up to 240 feet
• Virtuview hd color display with led backlight produces a glare-free view for excellent readability
• Offers fisharc and fishid fish finder indicators with fish depth targeting along with hd bottom landscape imaging, algorithmic software programming minimizes false readings and sounds an audible fish alarm signaling the presence of fish
• Sonar sensor is trollable, boat mountable, and floatable to achieve unmatched, go anywhere, portability
• Hawkeye products are manufactured both in the usa and overseas using technology designed and developed with american ingenuity

8. Lowrance HOOK2 4X - 4-inch Fish Finder with Transducer and GPS

• Wider sonar coverage: the hook2 4x offers a wide-angle chirp sonar cone giving you double the coverage of traditional fish finders.
• Transducer included: the included bullet skimmer transducer gives you traditional 2-d chirp sonar (fish arch) views.
• Easy setup: a single transducer can be mounted on the transom, inside the hull, on the trolling motor or through a scupper hole. the hook2 4x is ideal for small fishing boats or kayaks with limited console space.
• Fish finder & gps: the hook2 4x provides basic navigation with a gps plotter that allows you to add waypoints, follow trails, and navigate.
• Easiest to use: the lowrance hook2 4x fish finder features auto-tuning sonar and phone-like menus giving you more time to spend fishing and less time dealing with settings.

9. Lowrance HOOK2 5X - 5-inch Fish Finder with SplitShot Transducer and GPS Plotter

• More sonar views: the lowrance hook2 5x comes complete with a splitshot transducer which gives you downscan sonar (straight down) and chirp sonar (fish arch) views.
• Easiest to use: the lowrance hook2 5x fish finder features auto-tuning sonar and phone-like menus giving you more time to spend fishing and less time dealing with settings.
• Fish finder & gps: the hook2 5x provides basic navigation with a gps plotter that allows you to add waypoints, follow trails, and navigate. no maps included.
• Wider sonar coverage: the hook2 5 offers a wide-angle chirp sonar cone giving you double the coverage of traditional fish finders.
• Easy setup: a single transducer can be mounted on the transom, inside the hull, on the trolling motor or through a scupper hole.