Earthmate vs Flatline Maps
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Earthmate
Connect your satellite communicator to your mobile device for text messaging, navigation, and trip planning. Access offline maps, track your location, and share your adventures globally. Stay connected and safe on any outdoor expedition.
- Send/receive text messages
- Offline topographic maps
- Waypoint and route navigation
- Tracking and location sharing
- Trip logging and planning
- Cloud storage for trips
- Control inReach device features
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Pair your inReach® satellite communication device with the Earthmate® app to get all the features you need to send and receive text messages, navigate and stay connected during your outdoor adventures. It’s perfect for planning, tracking and sharing your trip anywhere around the globe. This Garmin application lets you access¹: • Unlimited topographic maps that you can cache on your device and store for offline use, including topographic maps and quad sheets • Aerial imagery • Hybrid maps • Waypoints and route navigation • Tracking and location sharing • High-detail GPS trip logging • Unlimited cloud storage of routes, waypoints and tracks • Online trip planning • Control and access all the features of your inReach device from the app: send 2-way custom or preset text and email messages, trigger an SOS from anywhere in the world, track your location and more By pairing your mobile device (via Bluetooth® technology) with inReach, the Earthmate app turns your mobile device into a true satellite communication, GPS navigation and safety tool. To access the 100% global Iridium® satellite network for live tracking and messaging – including SOS capabilities – from the Earthmate app, an inReach device with active satellite subscription is required. You can plan your adventures from your account on the Garmin Explore™ website, wirelessly sync them to your smartphone or tablet, and then save all your trip data and maps with unlimited cloud storage. With the use of the LiveTrack™ feature, loved ones can follow your location in real time² and see data such as distance, time and elevation. Learn more about inReach devices and technology at www.garmin.com/inreach. Continued use of GPS running in the background can dramatically decrease battery life. Don't forget to stop tracking. ¹Access varies by model. ²When used with your compatible smartphone and the Earthmate® app or when used with your compatible inReach-enabled Garmin device.
Flatline Maps
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Subscribe to unlock the complete Flatline Maps hunting experience. Get full access to every Flatline Maps hunting unit, featuring completely custom-built maps designed specifically for hunters who demand accurate, reliable, and up-to-date information in the field. Each Flatline Map unit is carefully hand-drawn and continuously updated with roads, hiking trails, access routes, fire data, dirt tanks, trick tanks, and man-made water systems to provide a level of detail standard maps often miss. These units are built to help hunters better understand terrain, locate key water sources, identify travel corridors, and navigate remote areas with confidence. The Flatline Maps base layer is continuously being expanded, with new units and updates added every month. Be sure to check our website and Instagram pages regularly for the latest releases, map updates, and work-in-progress units currently being developed. Your subscription also includes detailed US topo, high-resolution satellite imagery, and street base maps for advanced scouting, route planning, and navigation both on and off the grid. Premium tools include custom waypoints, distance measuring, track recording, the Walk-On tool, and route creation to help you mark important locations, track movement, scout efficiently, and plan successful hunts. Whether you’re preparing from home or navigating deep in the field, Flatline Maps delivers the mapping detail and tools serious hunters rely on. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.flatlinemaps.com/pr
Screenshots
Verdict
The clearest difference is in-app purchases: Earthmate at none against Flatline Maps's 2. Flatline Maps's advantage is chart position (#199 vs unranked) and iOS requirement (15.1 vs 17.0). On price, ads and device support 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. Flatline Maps sells 2 in-app purchases, starting at $14.99 per month. Earthmate asks for nothing beyond the download.
| Parameter | Earthmate | Flatline Maps |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (272 ratings) — better | — |
| Positive reviews | 21.6% of reviews | — |
| Number of ratings | 272 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | — | #199 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 92 MB | 83 MB |
| Age rating | 12+ | 4+ |
| Developer | Garmin | FlatlineMaps, LLC |
Bugs and requests
Earthmate
Reported bugs
5 issues- Invisible text fields
- Disappearing waypoints and tracks
- Inability to send preset messages from app
- Incorrect wind speed display
- Broken map downloads
Requested features
5 requests- Apple Watch integration
- Customizable preset messages
- Improved map detail and customization
- Seamless sync between app and device
- Frequent message check intervals
Flatline Maps
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Earthmate
No in-app purchases
Flatline Maps
- Premium Monthly$14.991 Month
- Premium Yearly$69.991 Year









