UNI vs Stonex GOapp
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
UNI
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marXact is a young Dutch company founded to make centimeter-accurate measuring solutions easy and affordable for anyone who knows how to use a smartphone. Next to the UNI-GR2 RTK GNSS Receiver, UNI-Cloud environment, UNI-RTK Premium correction data marXact now introduces the easiest surveying app - UNI-Collect. UNI-Collect lets anyone easily survey any object, sync that data to the UNI-Cloud, and generate project data in multiple formats such as AutoCAD DWG or CSV files. After importing your data, UNI-Collect will also let you stake out any object with ease. Features: - Point surveying - Polyline surveying - Polygon surveying - Offset point surveying - Point stake-out - Polyline stake-out - Polygon stake-out - Polyline offset - Polygon offset - Extend polyline - Extend polygon - Data stored in layers with unlimited attributes - Live UNI-Cloud synchronization - UNI-Cloud backup - UNI-Cloud API connection to get the data in your own GIS tooling - WMS/WFS background layers - Remote assistance from our UNI-Support team - Location input; UNI-GR1 / GR2 - Location input; Bluetooth NMEA 3d party GNSS receiver - Location input; Internal device location - Export: DXF/DWG/CSV/GeoJSON/LandXML - Import: DXF/DWG/CSV/GeoJSON/LandXML - Survey in any CRS system - UNI-Machine Control And much more!
Stonex GOapp
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GOapp is a dedicated application for Stonex SLAM laser scanners. It provides a preview of the 3D model you are building in the survey, to see your current position and trajectory. Check the projects in the device's memory and start new ones with a click. It allows to download firmware updates and more.
Screenshots
Verdict
The clearest difference is update cadence: UNI at every 9 days against Stonex GOapp's every 2 months. Stonex GOapp's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
UNI ships an update every 9 days, Stonex GOapp every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | UNI | Stonex GOapp |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 89 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | marXact B.V. | STONEX |
In-app purchases
UNI
No in-app purchases
Stonex GOapp
No in-app purchases








