Comparison

Global Mapper Mobile vs RTKapp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

RTKapp

Features
Read full description

Welcome to RTKapp --------------------- Centimeter Precision in your Pocket RTKapp is the ultimate solution for surveyors, engineers, and GNSS enthusiasts who need professional workflows without the burden of desktop software. Connect, record, process, and analyze satellite data directly from your iPhone or iPad in a fast, private, and powerful way. Powered by the robust RTKLIB engine (Demo5), RTKapp allows you to execute RTK positioning, Post-Processing (PPK/PPP), and raw data conversion in seconds, wrapped in a modern, streamlined interface. REAL-TIME RTK ---------------- - Total Connectivity: Connect your GNSS receiver via Bluetooth (BLE) or TCP, or get network corrections through the built-in NTRIP Client. - Live Quality Metrics: Monitor your signal status in real-time with AR ratio, HRMS/VRMS, DOP, SNR (Signal-to-Noise Ratio), and Skyplot views. - VRS Support: Works seamlessly with Virtual Reference Stations by automatically sending your configured position (GGA) to the caster. - Transparent Recording: Natively capture and log raw data streams from the Rover, Base, and corrections simultaneously while you measure. INSTANT POST-PROCESSING ------------------------------ - Load your observation (Rover/Base) and navigation files on the fly. - Execute kinematic, static, or precise point positioning (PPP) with advanced algorithms. - Analytical Plotting: Dive deep with E/N/U position graphs, horizontal scatter plots, cycle slip detection, and post-fit phase residuals to ensure maximum survey-grade quality. FIELD PRO TOOLS ------------------- - RINEX Converter: Import binary logs from RTCM3 and export them to universal RINEX format with advanced versioning and frequency selections (L1/L2/L5). - NTRIP Caster Management: Browse sourcetables, save profiles for your favorite VRS networks, and even share data by forwarding corrections via Bluetooth. - Configuration Profiles: Save your processing settings, elevation masks, and ambiguity resolution parameters into custom profiles for instant field readiness. LOCAL PRIVACY FIRST ----------------------- Your data belongs to you. RTKapp processes all positioning locally right on your device. We do not rely on the cloud to calculate your position, we don't track your projects, and all exports to GPX, KML, CSV, or .pos coordinate files are performed purely on-demand. Master GNSS precision anywhere, no laptop required. Download RTKapp and streamline your data collection and processing today!

Screenshots

Global Mapper Mobile4 screens
RTKapp4 screens

Verdict

The call

The clearest difference is in-app purchases: RTKapp at none against Global Mapper Mobile's 1. RTKapp also leads on update cadence (every 3 weeks vs every 4 months). Global Mapper Mobile's advantage is iOS requirement (12.2 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Global Mapper Mobile sells 1 in-app purchase, starting at $49.99 per year. RTKapp asks for nothing beyond the download.

UpkeepUpdate frequency

Global Mapper Mobile ships an update every 4 months, RTKapp every 3 weeks. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 7 level
Global Mapper Mobile versus RTKapp: the parameters behind the verdict, then further details
ParameterGlobal Mapper MobileRTKapp
PriceFreeFree
Rating3.7 (15 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings15 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.2 — better17.0
Further details — not scored
Size126 MB93 MB
Age rating4+4+
DeveloperBlue Marble GeographicsJuan Carlos Lopez Calvo

In-app purchases

1 purchases

Global Mapper Mobile

Subscriptions1
  • Pro Module$49.991 Year
None

RTKapp

No in-app purchases

Questions

Is Global Mapper Mobile free?
Global Mapper Mobile is free to download, with in-app purchases available.
Is RTKapp free?
RTKapp is free to download, with no in-app purchases.
Do Global Mapper Mobile or RTKapp have ads?
Neither Global Mapper Mobile nor RTKapp shows ads.
Which is updated more often, Global Mapper Mobile or RTKapp?
Global Mapper Mobile ships an update every 4 months, and RTKapp every 3 weeks. Most recently, Global Mapper Mobile was updated on September 14, 2026 and RTKapp on September 13, 2026.

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