Deeper Smart Sonar

Castable smart sonar beaming real-time depth, fish & bottom structure to your phone; build your own bathymetric maps from shore, boat or ice.

CategoryItemDeeper Smart Sonar
BasicsPlatformiOS, Android
Fishing StyleGeneral, Ice Fishing, Saltwater
LanguageEN, JA, ZH, ES, FR, DE, IT, KO, RU, PT
PriceApp free; Deeper sonar hardware required for core features (PRO+ 2 $159.99, Max $209.99-$279.99). In-app Premium maps from $0.99 first month then $24.99/year; Premium+ $43.99/year.
PricingSubscription
DeveloperDeeper UAB
Primary MarketGlobal
Estimated Users1M+
Core FeaturesSocial Sharing
Catch Log
Personal Spot Log
Weather
Fish IDUnsure
Standout FeaturesPublic Spot Map
Offline Maps
Regulations LookupUnsure
Tide & AlmanacUnsure
Badge CollectionUnsure
Auto CaptureUnsure
Gear MarketplaceUnsure
Tournament ModeUnsure
Guide BookingUnsure
Hardware Integration
Wearable SupportUnsure
Privacy First
AI Data Analysis
AI Spot Finder

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Deeper Smart Sonar

Deeper Smart Sonar

Castable smart sonar beaming real-time depth, fish & bottom structure to your phone; build your own bathymetric maps from shore, boat or ice.

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Offshore Fishing Apps: Tides4Fishing, Deeper Sonar & FishingBooker

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User Feedback

Pros

  • Castable wireless sonar gives shore, kayak and SUP anglers real-time underwater visibility without a boat-mounted unit.
  • Excellent depth, bottom-hardness and contour detail with personal 2D/3D bathymetric mapping.
  • Strong offline maps plus one of the largest community-sourced depth-map databases.
  • Works across iOS/Android with cross-device sync of scans, maps and catches.

Cons

  • Core sonar features require buying Deeper hardware ($159-$280+ depending on model).
  • Scans are uploaded to shared community maps by default; privacy only via guest/anonymous mode.
  • Reported GPS accuracy drift and Wi-Fi connection stability issues for some users.
  • The sonar ball is heavy to cast, requiring a heavy-rated rod and strong braided line.