RTKapp vs CHCNAV PointX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RTKapp
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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!
CHCNAV PointX
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PointX — The Official CHCNAV Corrections Companion PointX is the official self-service app from CHC Navigation for PointNet GNSS correction service users. Whether you are a construction worker, surveyor, or machine operator, PointX keeps service status, account details, and connection guides at your fingertips — so your high-precision work stays on track. Key Features · Base Station Map — Browse all PointNet Europe reference stations with live online/offline status. Search by city name or coordinates (decimal or DMS) to jump straight to your work area, and overlay the coverage layer to confirm service availability before you head out. · Ionosphere Monitor — Hourly ionospheric activity index (I95) covering the past 12 hours, now, and a 12-hour forecast, with automatic alerts for elevated activity — plan your precision work around the best windows. · NTRIP Account — See your subscription validity and remaining days at a glance, with proactive expiry reminders. Copy host, port, mountpoints, and credentials with one tap, and run a connectivity self-check anytime. · Connection Guide — Step-by-step setup tutorials for LandStar, AGNAV, and third-party rovers, plus a pre-work checklist and FAQs to get you fixed fast. · Troubleshooting Logs — Every login/logout session is recorded with connection times, fix mode, mountpoint, client IP, and session duration. Export logs in one tap to speed up support conversations. · Message Center — Scheduled maintenance, outage notices, service recovery, version updates, and subscription offers, delivered in-app the moment they happen. About PointNet PointNet is a ground‑based augmentation service provided by CHCNAV. Leveraging a global network of reference stations, it delivers centimeter‑level real‑time positioning for surveying, construction, and precision agriculture. Subscription Required: PointX requires an active PointNet service subscription, available through your local authorized CHCNAV dealer.
Screenshots
Verdict
The clearest difference is update cadence: CHCNAV PointX at every 3 days against RTKapp's every 3 weeks. CHCNAV PointX also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
RTKapp ships an update every 3 weeks, CHCNAV PointX every 3 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.
| Parameter | RTKapp | CHCNAV PointX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 93 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | Juan Carlos Lopez Calvo | 华测导航 |
In-app purchases
RTKapp
No in-app purchases
CHCNAV PointX
No in-app purchases









