Download the no.1 fishfinder app for free

The Deeper app is a must-have for any smart angler. Even if you don’t have a Deeper smart sonar, you can still use it to plan the perfect fishing trip – it has solunar-forecasting, downloadable maps you can use offline, and much more. And combined with a Deeper smart sonar, it transforms your phone into a high-grade sonar unit. With downloads approaching 1 million, it is the most popular fishfinder app on both Google play and app store. Download it for free today to discover why.

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Everything you could need for your next fishing trip

The Deeper app has been created by anglers, for anglers. It features everything you could need for a great fishing trip;

  • Pick the perfect day with the app’s Solunar Forecast Calendar and advanced Weather Forecasting.
  • Find the best spots with Downloadable Maps you can use offline: mark and save your favourite locations, plus tackle shops, parking spaces and much more
  • Log every catch and record notes on each location with the Fishing Notes feature.
  • Snap your best catches using Camera Mode, then show off your trophies with Social Media Sharing.

And when you have a minute to spare, you can run the Simulations for standard mode, boat mode, ice fishing mode and onshore mapping to see how the sonar functions on the app work.

Effortlessly control your sonar

The Deeper app puts you in control of your Deeper smart sonar and all the data you receive from it with a range of intuitive features.

  • Control your sonar – Use the app to select narrow or wide beam scanning, adjust sensitivity (use low sensitivity for dirty water, and high for clear water) and put you sonar into sleep mode when you’re not using (it will automatically switch off when it is out of the water).
  • Change fishing type – choose from 3 different modes: standard, boat, and ice fishing. Each mode automatically adjusts both the sonar settings and the display.
  • Personalise your display – enable or disable fish and depth alarms, and add or remove fish icons and depth.
  • Manage your data – Review your sonar activity history and store all the readings with unlimited data storage in the app.

Map the waters you fish

Add detailed bathymetric data onto the maps you have downloaded using your Deeper smart sonar.

  • Onshore mapping – the Deeper Smart Sonar PRO + comes with built in GPS, enabling you to map any water you fish from the shore.
  • Boat mapping – use any Deeper smart sonar model to create detailed depth maps with the sonar mounted to your boat or kayak.

Learn more about mapping here.

NEW APP FEATURE – Save every ice hole you fish with the new GPS Ice Hole Marking feature in ice fishing mode. For each new location you fish, a new spot will be marked on your map and any data your sonar picks up at that location will also be stored. This feature works for all models. Find out more here.

NEW APP FEATURE – The Adjustable Offline Maps feature lets you manage how much of your screen your map takes up. Just drag it across as far as you want.

Global Compatibility

The Deeper App is compatible with more 9,800 smart devices using the Android or iOS operating systems. GooglePlay and App Store will tell you if your device is compatible – you can follow the links below to check. The app is available in multiple languages (BG, CZ, ZH, NL, FI, FR, DE, HU, IT, JP, KR, LT, MY, NO, PL, PT, RO, RU, SK, ES, TR, UA) and works in any region.

Download today and transform your angling with the Deeper app