Global Mapper Mobile vs Trek M
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Global Mapper Mobile
This application allows users to view and collect GIS data in the field using their mobile device's GPS. It supports various data layers and offers tools for drawing, tracking, and form-based data collection, with advanced features available through an in-app purchase.
- Vector, raster, and terrain data display
- GPS location display and feature creation
- Drawing, tracking, and form-based data collection
- Image capture and Picture Point creation
- Advanced GPS support for GNSS devices
- RTK correction via NTRIP client
- Offline data access and custom online sources
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Bring your GIS workflow to the field. Global Mapper Mobile® is a powerful iOS application for viewing and collecting GIS data. It utilizes the GPS capabilities of mobile devices to provide situational awareness and locational intelligence for remote mapping projects. A perfect complement to the desktop version of Global Mapper, the mobile app provides maps-in-hand functionality for engineers, surveyors, wildlife managers, foresters, and anyone whose job requires access to spatial data in remote locations. Global Mapper Mobile can display vector, raster, and elevation data layers that have been transferred from the desktop version of the software. It also provides tools for drawing, tracking, and form-based data collection using pre-configured attributes and picklists. Global Mapper Mobile Base Version (Free) The base version of Global Mapper Mobile is free of charge and provides an array of features and functions, including: • Vector, raster, and terrain data display • GPS location display • Point, line, and polygon feature creation using GPS location • Editing of existing vector features • Capture of images in the field • Creation of Picture Points from geotagged images • Attribute and feature notation recording for new or existing vector features • Online access to Open Street Map data Global Mapper Mobile Pro The Pro version of Global Mapper Mobile, available as an in-app purchase, supplements the functionality of the base version with an array of professional-grade tools, including: • Advanced GPS support for connection to high-accuracy GNSS devices from vendors such as Bad Elf, EOS, Juniper, and others • RTK correction via built-in NTRIP client • GPS Averaging • Terrain shader and water level display options • Custom online source options and online data saving for offline use • Simultaneous feature creation • Viewshed creation • Volume calculation • Data reprojection • Address searching • Geopackage and GeoPDF format support Global Mapper Mobile Pro is available as an in-app purchase. The license is based on an annual subscription from the date of purchase that can be renewed each year. Note: Continued use of GPS running in the background can dramatically decrease battery life. Privacy Policy: https://www.bluemarblegeo.com/privacy-policy/ Terms of Use: https://www.bluemarblegeo.com/licensing-policy/
Trek M
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Trek M is a travel data display, logger and navigator for trekkers and travelers. It displays basic and enhanced GPS data and optionally logs it and shows condensed navigation instructions on your ActiveLook smart glasses’ heads-up display and also on iPhones and iPads with built-in cellular support. The information is in your preferred units for speed, course and altitude. Additionally, the app collects and calculates derivate information such as distance travelled, maximum and average speeds, highest and lowest altitudes and ascent and descent. The collected data is visible in real time in the watch (GPS data only) and smart glasses, iPhones and iPads (both GPS data and navigation directions). The location data can be saved to a GPX trace: you can follow your current position, active trace or stored traces on the map. The watch app can be also used to remotely connect the phone: start or stop the trace, reset or pause both devices. Trek M builds on and replaces the GPS M app, which is no longer updated but still available for the time being. Images 1: Start screen with speed, distance travelled, current course and altitude, additionally duration from start, maximum and average speeds, maximum and minimum altitudes, cumulative ascent and descent. 2: Tap on map (requires iOS 17.0 or later) or enter street address or contact name for destination 3: Navigation screen on iPhone. Smart glasses show direction arrow, distance to next step, distance travelled and current speed (Image is from simulator: simulated route does *not* lead to given destination, thus directions indicate navigation error and suggest corrective turn). Please see the User's Guide for print screens from actual device, route and navigation. ** Note ** - The navigation instructions are based on Apple Maps. The supported languages are English and Finnish. Any other Apple Maps supported language can be added, or the phone can temporarily use English as the primary language. - iWatches are not supported with iPads - Navigation is only supported with iPads with built-in cellular support Please check out the User's Guide at https://pbase.com/pekkal/trekm before purchasing the app! Trek M uses ActiveLook SDK, published under the Apache 2.0 license (https://github.com/ActiveLook/ios-sdk/blob/main/LICENSE)
Screenshots
Verdict
The clearest difference is price: Global Mapper Mobile at Free against Trek M's $6.99. Global Mapper Mobile also leads on device support and iOS requirement (12.2 vs 16). Trek M's advantage is in-app purchases (none vs 1).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Global Mapper Mobile is free to download; Trek M costs $6.99 up front. Global Mapper Mobile sells 1 in-app purchase, starting at $49.99 per year. Trek M asks for nothing beyond the download.
| Parameter | Global Mapper Mobile | Trek M |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 3.7 (15 ratings) — better | — |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 12.2 — better | 16 |
| Further details — not scored | ||
| Size | 126 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Marble Geographics | Pekka Leppanen |
In-app purchases
Global Mapper Mobile
- Pro Module$49.991 Year
Trek M
No in-app purchases









