Best Great Depths alternatives: apps like Great Depths

10+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated November 2026

Great Depths is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Great Depths

Sea Depth#1

Sea Depth by Seadepth Charts, LLC

Offshore Bathymetry Charts
4.2(16 ratings)
FreeIn-App Purchases
Sea Depth screenshot 1
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Sea Depth screenshot 5

Visualize detailed underwater terrain with high-resolution bathymetric charts. Gain deeper insights into seafloor structure, contours, and terrain for offshore activities. Includes optional data overlays and waypoint management for enhanced situational awareness.

4.5😞(8.5K ratings)
FreeIn-App Purchases
PRO CHARTS - Marine Navigation screenshot 1
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PRO CHARTS - Marine Navigation screenshot 5
PRO CHARTS - Marine Navigation screenshot 6

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

What We Love

  • πŸš€ Great for navigation
  • πŸ—ΊοΈ Helpful for coastal areas
  • πŸ‘ Useful app overall

Room to Improve

  • πŸ› Frequent crashes and glitches
  • ⚠️ Subscription issues and hidden costs
  • 🌐 Lacks coverage for non-US regions
  • πŸ”’ Poor account management and support

More apps like Great Depths

4
Marine Navigation Lite
Marine Navigation Lite
Marine Navigation Lite
Offline GPS tracker for boat
Free

This app offers offline GPS charting for marine use, allowing users to own their maps permanently. It provides advanced navigation tools, custom map creation from any image, and respects user privacy by not tracking or selling data.

Lifetime map ownershipOffline GPS chartingCustom map creation from images
πŸ—ΊοΈ Navigation
(0)
free with in-app purchases
5
AI Fishing Planner: FishFathom
AI Fishing Planner: FishFathom
AI Fishing Planner: FishFathom
Bathymetry, Weather & Routes
Free

Plan fishing trips with marine weather, detailed bathymetry, and commercial fishing track history. Log catches, save routes, and download maps for offline use to find productive waters and repeat successful patterns.

Marine weather forecastsHD bathymetry and relief shadingCommercial fishing track history
πŸ—ΊοΈ Navigation
(15)
free with in-app purchases
6
SEAiq USA
SEAiq USA
SEAiq USA
by Sakhalin
Free

This marine navigation app provides detailed charts for the United States, including weather and AIS data. It offers features like waypoints, routes, and an anchor alarm. While basic chart viewing is free, premium navigation requires an annual subscription after a trial.

NOAA chart downloadsWeather and AIS dataWaypoints and routes
πŸ—ΊοΈ Navigation
(502)
free with in-app purchases
7
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Depth Map,Sailing Plotter
Free

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

Detailed vector marine chartsRoute planning and editingVoice-guided navigation
πŸ—ΊοΈ Navigation
(15K)
free with in-app purchases
8
SeaDrive: Boat Navigation
SeaDrive: Boat Navigation
SeaDrive: Boat Navigation
GPS Charts Tide Weather Routes
Free

This marine navigation app offers offline charting, route planning, and tide/current predictions. It provides free US charts and integrates weather forecasts and points of interest like marinas. Share your live track with others for enhanced safety and communication on the water.

Offline charting and navigationRoute building and navigationTide and current predictions
πŸ—ΊοΈ Navigation
(263)
free with in-app purchases
9
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
Marine Navigation and Boating
Free

This app provides digital nautical charts and navigation tools for safe boating. It offers offline chart downloads, real-time AIS tracking, and community-shared points of interest. Plan and share your routes with ease.

Digital nautical chartsOffline chart downloadsReal-time AIS tracking
πŸ—ΊοΈ Navigation
(115)
free with in-app purchases
10
C-MAP: Boating
C-MAP: Boating
C-MAP: Boating
Charts, Planning & Navigation
Free

Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.

Free chart viewerAutoroutingPersonal waypoints
πŸ—ΊοΈ Navigation
(2.4K)
free with in-app purchases