UM_Meter vs WITMOTION
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UM_Meter
This utility app connects to a USB tester via Bluetooth to display data and system operations. It also offers data storage and sharing capabilities.
- Bluetooth connectivity to USB tester
- Real-time data display
- System operation monitoring
- Data storage
- Data sharing
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Data display and system operation of the USB tester via Bluetooth, and data storage and sharing functions.
WITMOTION
This app provides convenient sensor data display and configuration for tilt sensors. It offers real-time data, visual charts, 3D angle display, and data recording for analysis.
- Real-time tilt sensor data display
- Sensor configuration (sample rate, sensitivity)
- Visual chart tools (curve, scatter plots)
- 3D angle display
- User-friendly interface
- Data recording and export
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introduce: This App is a tool designed specifically for connecting tilt sensors and aims to provide users with convenient sensor data display and configuration functions. Whether you are a professional engineer or an ordinary user, you can easily use this App to monitor and control sensor performance. The following are the main functions and features of the App: 1. Sensor data display: This App can display the tilt sensor data instantly and accurately. Users can view real-time tilt angle, tilt direction and other related data. Whether you need simple tilt measurement or more complex data analysis, this App can meet your needs. 2. Sensor configuration: Users can configure the sensor through the App to meet specific needs. This includes adjusting sample rate, sensitivity, filter settings, etc. 3. Visual chart tools: The App provides visual tools such as curve charts and scatter plots to graphically display the changing trends of sensor data. This helps users understand the data more clearly. 4. 3D angle display: Visualizing tilt angle data in a 3D environment is a unique feature for users. This can be used for game development, virtual reality projects, or any application that requires real-time angle information. 5. User-friendly interface: The interface design of the App is simple and intuitive, making it easy to use. Users can quickly navigate and find the functionality they need, without requiring specialized knowledge. 6. Data recording and export: Users can record sensor data and export it as a file for future analysis or sharing.
Screenshots
Verdict
The clearest difference is rating: WITMOTION at 3.0 against UM_Meter's 2.4. WITMOTION also leads on review sentiment (38% vs 23%). UM_Meter's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (8.0 vs 15.6). On price, ratings volume, ads and in-app purchases 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.
WITMOTION holds the better App Store score, 3.0 against 2.4. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 23% of UM_Meter's written reviews are positive against 38% of WITMOTION's.
UM_Meter ships an update every 4 days, WITMOTION every 2 weeks. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.
| Parameter | UM_Meter | WITMOTION |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (17 ratings) | 3.0 (10 ratings) — better |
| Positive reviews | 23.3% of reviews | 37.5% of reviews — better |
| Number of ratings | 17 — better | 10 |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 29 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | 亮亮 刘 | WitMotion Shenzhen Co.,Ltd |
Customer experience
UM_Meter
WITMOTION
In-app purchases
UM_Meter
No in-app purchases
WITMOTION
No in-app purchases








