RTKapp vs GPS TrackMaker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RTKapp
Achieve centimeter-level GNSS precision directly on your mobile device. Connect receivers, process raw data in real-time or post-processing, and analyze results with advanced plotting tools. This app offers professional surveying workflows without the need for desktop software, prioritizing local data processing and privacy.
- Real-time RTK positioning
- Post-processing (PPK/PPP)
- NTRIP Client and Caster Management
- Raw data logging and RINEX conversion
- Live quality metrics and skyplot
- Analytical plotting tools
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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!
GPS TrackMaker
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GPS TrackMaker brings to your phone the 25-year tradition of the mapping software used by thousands of GPS professionals and enthusiasts. 100% FUNCTIONAL OFFLINE — NOW FREE Record tracks and mark waypoints for free, with no internet, no sign-up and no subscription. The vector map of your region is stored on the device and works anywhere, even without cell coverage. Export your data as GTZ files and open them in GPS TrackMaker for Desktop. CREATE ON THE DESKTOP, CARRY IN YOUR HAND Draw your maps in GPS TrackMaker Desktop with all the detail you need and send everything to TrackMaker on your phone. Every member of your team carries the complete map in their pocket, even without internet. • AGRIBUSINESS — Draw your farm with crop areas, fences, gates, rivers, streams and headquarters. Outline field plots, mark points of interest and add notes to waypoints. • RURAL COLLECTION AND LOGISTICS — Companies that travel back roads (such as milk collection) create detailed maps of the routes to each farm and distribute them to all drivers. • MINING — Keep the whole operation in your hand: extraction areas, blasting points, roads and side paths, available to everyone working on site. • GOLF — Carry the entire course on your phone: holes, contours, paths and points of interest. FORGET THE TRADITIONAL GPS Replace your dedicated GPS device with the phone already in your pocket. No drivers to install, no cables to connect to the PC: all data is transferred online, simply and directly between the phone and GPS TrackMaker Desktop. OFFLINE VECTOR MAPS Browse maps that combine vector drawing and raster images, rendered sharply at any zoom level. • 100% offline navigation • Names in English, Portuguese and Spanish • Your position always visible on the map GPS DATA COLLECTION — FREE Turn your phone into a complete field data collector, at no cost. • Record high-accuracy tracks, even with the screen off • Mark waypoints with hundreds of icons • Export tracks and waypoints as GTZ files and open them in GPS TrackMaker for Desktop NEW: CENTIMETER ACCURACY (GNSS RTK) A phone's GPS is accurate to a few meters. With a GNSS RTK receiver connected to the phone by Bluetooth, TrackMaker becomes a precision GPS: points and tracks accurate to centimeters. • Online Correction: receive over the internet the data that corrects the position, from public or private servers (NTRIP) • Base Station: use your own receiver as a base and send the correction to the other receivers of your team, with no radio and no computer • Configure compatible receivers from the app: Rover or Base Station mode with one tap • RTK panel: solution type (RTK FIXED, FLOAT, PPP), horizontal and vertical accuracy, satellites and signal • Every waypoint taken in RTK records the solution, the accuracy and the antenna height The app remains free. Online Correction and Base Station require signing in with a GPS TrackMaker PRO account. FEATURES FOR PRO ACCOUNTS GPS TrackMaker PRO account holders can sign in to: • Load on the phone the custom maps (.map) created on the desktop • Sync data online, without cables • Attach audio notes and photos to waypoints • Download multiple base maps • Receive Online Correction to work with centimeter accuracy (RTK) • Transmit as a Base Station for your team PRIVACY FIRST Your data stays on your device. We do not sell your information, show ads or track your usage. Location is only used while you record a track, and data only leaves the device when you sync or use Online Correction or Base Station. Ideal for agribusiness, mining, surveying, environmental work, geology, trails, expeditions and any activity that requires custom maps and reliable geographic records.
Screenshots
Verdict
RTKapp and GPS TrackMaker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
RTKapp ships an update every 3 weeks, GPS TrackMaker every 5 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | RTKapp | GPS TrackMaker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 93 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Juan Carlos Lopez Calvo | Odilon Ferreira Junior |
In-app purchases
RTKapp
No in-app purchases
GPS TrackMaker
No in-app purchases








