LevelStick vs UNI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LevelStick
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App to be used with Leiderdorp Instruments LevelStick devices
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!
Screenshots
Verdict
The clearest difference is update cadence: UNI at every 9 days against LevelStick's every 2 months. LevelStick's advantage is iOS requirement (12 vs 16.0). 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.
LevelStick ships an update every 2 months, UNI every 9 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.
| Parameter | LevelStick | UNI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12 — better | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | Leiderdorp Instruments BV | marXact B.V. |
In-app purchases
LevelStick
No in-app purchases
UNI
No in-app purchases
