CalTopo vs iTAK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalTopo
Plan and navigate off-grid adventures with detailed offline maps and real-time weather forecasts. Trusted by professionals, this app offers seamless syncing and collaborative planning for backcountry pursuits.
- Offline map downloads
- Satellite imagery
- Route planning
- GPS tracking
- Weather forecasting
- Collaborative map sharing
- Slope angle shading
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New on CalTopo: the CalTopo app is now satellite ready, allowing you to use many features of the app offline with satellite data! Take the best mapping app with you wherever you go with the CalTopo app for iOS. Trusted by professional mountain guides, avalanche educators, and search and rescue teams, CalTopo has all the features you need to plan your next off-grid pursuit. Seamless integration between CalTopo online and your mobile device allows you to access and update your maps no matter where you are. Any changes you make will automatically sync across all devices, making exporting and importing your latest map a thing of the past. The CalTopo app allows you to easily take your planning and navigation to the next level. Real time decision making in backcountry terrain is made easy with the ability to download maps and layers like slope angle shading to your device for offline use. Plan for conditions on your route with sun exposure, wind, precipitation and avalanche forecasts. View and track your location on the map using GPS, even if you are offline. Share maps with your teams or travel partners to plan collaboratively, and to ensure everyone has the necessary data. Monitor real time updates from the field, like your friends progress on a long outing with live tracking on shared maps. Plan and navigate your next adventure with the CalTopo App today! Map layers include: • MapBuilder Topo, Hybrid and Overlay • Forest Service Maps • Scanned Topos • Global Imagery • Shaded Relief • Slope Angle Shading (including high resolution elevation data where available) • Parcel data • Public Lands • Weekly Satellite Imagery • NAIP Satellite Imagery • Sun Exposure • Marine Charts • Weather Forecasting (including wind, precipitation, and temperatures) • Snow and Water Gauge Data • Fire History/Activity • And many more Support and Feature Requests: Email us at help@caltopo.com.
iTAK
This app provides real-time collaborative mapping and team tracking. Share locations, sensor data, videos, and chat with your team. Supports online and offline mapping with various data formats.
- Real-time team tracking
- Collaborative mapping
- Online and offline mapping
- KML/KMZ/GeoPDF overlay import
- Chat and file sharing
- Live video streaming
- Navigation tools
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**Compatible with ALL TAK ecosystem (TAK server, WinTAK, ATAK, WebTAK)** The Team Awareness Kit (TAK) (known as the Tactical Assault Kit in the Department of Defense) application: iTAK is a collaborative geospatial application to see your teams’ locations, sensor information, videos, chat, and more in real-time. iTAK supports Department of Defense (DoD) and commercial sector standards for icons, sensor information, and communication. Data can be pre-loaded into iTAK or downloaded from the network (via TAK Server) when available. iTAK capabilities include: • Online and offline mapping (most standard formats), download the maps right in the app • Blue force / team tracking (BFT) • Collaborative mapping, including points, drawings, locations of interest • Import and display of KML, KMZ, GeoPDF overlays • Location marking, sharing, with photo tagging • Chat, file sharing, photo sharing • Live video streaming with the ability to share video links • Spotted map to mark and share multiple locations across your map • Digital pointer to rapidly mark and share items on the map with your team • Navigation-walking/hiking, driving, also useful flying and air-ground coordination • Center on self or other objects (e.g. another person in the network) • Range, bearing measurement tools • Team Emergency Beacons • Customizable toolbar • 3D perspective • All data is secured and fully compatibility with the TAK ecosystem (ATAK, TAK Server, WinTAK) • Useful for law enforcement, first responders, hunting, fishing, ornithology, wildlife site survey System Requirements Operating System: iOS version 17 and later.
Screenshots
Verdict
The clearest difference is rating: CalTopo at 4.8 against iTAK's 3.5. CalTopo also leads on ratings volume (7.6K vs 156) and review sentiment (56% vs 41%). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CalTopo holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: CalTopo has 7.6K ratings behind it against 156, so its average is the more settled of the two. Written reviews point the same way: 56% of CalTopo's written reviews are positive against 41% of iTAK's.
CalTopo ships an update every 2 weeks, iTAK every 3 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.
| Parameter | CalTopo | iTAK |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (7.6K ratings) — better | 3.5 (156 ratings) |
| Positive reviews | 56.5% of reviews — better | 40.6% of reviews |
| Number of ratings | 7.6K — better | 156 |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #117 — better | #197 |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 165 MB | 278 MB |
| Age rating | 4+ | 4+ |
| Developer | CalTopo LLC | United States Department of the Army, TAK Product Center |
Customer experience
CalTopo
iTAK
User reviews
CalTopo
From 7.6K App Store ratingsWhat we love
- 🚀 Powerful mapping features
- 💡 Extensive data layers
- 👍 Detailed trail and terrain information
- 👍 Useful for SAR operations
- 👍 Great for planning outdoor adventures
Room to improve
- 🐛 Buggy and unstable mobile app
- 🐛 Maps not always loading properly
- 🐛 Slow map rendering
- 🔋 High battery consumption
- 👎 Difficult to use for casual users
iTAK
From 156 App Store ratingsWhat we love
- 👍 Simple and intuitive user interface
- 🚀 Smooth performance when functioning properly
- 📍 Real-time location tracking works well
- 🔄 Good core TAK server connectivity
- 📦 Convenient data package sharing
Room to improve
- 🐛 Frequent app crashes and freezes
- ❌ Significantly fewer features than ATAK Android version
- 🔌 Poor compatibility with ATAK ecosystem
- 🔋 Excessive battery drain
- 🗺️ Limited map options (Apple Maps only, outdated imagery)
Bugs and requests
CalTopo
Reported bugs
4 issues- Trails and tracks disappearing
- Coordinate display issues
- Frequent app crashes and freezes
- Incompatibility with older devices
Requested features
5 requests- Add 3D map view
- Implement route snapping to trails
- Improve offline map download capabilities
- Add photo geotagging functionality
- Implement course-up map orientation
iTAK
Reported bugs
23 issues- App crashes when exporting data packages
- App crashes when uploading files with local data
- App crashes when importing overlays
- App crashes when changing map types
- App crashes when creating missions
Show 18 moreShow fewer
- App freezes when handling large numbers of objects (15+)
- Indoor mapping causes app shutdown
- Markers disappear on app reopening
- Markers don't sync deletion status with ATAK users
- HTTP video stream links don't work
- Mesh network mode not functioning properly
- Settings reset to defaults on restart
- Toolbar disappears randomly
- Notification badges don't clear properly
- Unable to rename points of interest
- Duplicate server entries appear
- Unexpected shutdowns and crashes
- Connection failures to TAK servers
- Message notifications not appearing on iPhone
- App won't launch after deletion/reinstallation
- Data Sync broken in version 2.10.1
- Overlay import causes instant crash
- Markers become invisible with ArcGIS updates
Requested features
23 requests- Meshtastic and LoRa device support
- GRG (Grid Reference Graphic) functionality
- Mesh network integration (GoTenna, Beartooth)
- Plugin support system
- Google Maps or alternative map providers
Show 18 moreShow fewer
- Offline map download capability
- Angular measurement unit conversion (degrees to mil)
- Nautical miles unit of measurement
- Video stream support (HTTP/RTSP)
- CASEVAC calling functionality
- Polar plot tool
- Data package import from Android ATAK
- Bluetooth radio integration
- Apple Watch companion app
- Ability to edit and delete toolbar items
- True/Magnetic bearing distinction
- Point dragging and repositioning
- Contact/team management system
- Mission creation and editing
- Windows TAK Server version
- Improved notification system
- Chinese language support
- Better documentation and tutorials
In-app purchases
CalTopo
No in-app purchases
iTAK
No in-app purchases








