BLE OTA vs Accelerometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE OTA
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Đây là ứng dụng giúp cập nhật firmware cho các thiết bị IoT thông qua ble Tham khảo thư viện cho arduino esp32 tại đây: https://github.com/daonguyen207/arduino_ble_ota
Accelerometer
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Accelerometer turns your phone into a precision motion meter. See exactly how your device moves on every axis, in real time, with smooth live charts and instant RMS readings. KEY FEATURES • Live X, Y, Z axis tracking — watch acceleration update in real time as your device moves • Vector magnitude view — switch from per-axis charts to combined magnitude display in one tap • Last & Peak RMS readouts — never miss the maximum value during a session • Configurable units — read values in g or m/s² to match your workflow • Save sessions — capture any measurement and keep it in your History for later • History detail view — re-open any saved session with full chart snapshot and numeric breakdown • Search & rename — find past sessions fast and label them however you want • Share & export — send measurements as image, plain text, or .txt file to anyone • Multi-select — share or delete several past sessions at once • Clean, dark-themed interface — easy to read in workshops, labs, or in the field WHO IT'S FOR • Engineers and technicians measuring machine vibration on the go • Carpenters, woodworkers, and DIYers checking tool balance • Drivers logging ride quality or suspension behavior • Students and educators demonstrating physics concepts • Curious tinkerers who want to see what their phone is actually feeling PRIVACY FIRST All measurements stay on your device. Nothing is uploaded, nothing is tracked beyond what's needed to keep the app working. You stay in control. — Accelerometer app is free. You can use it forever, at no cost. However, Accelerometer does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/Accelerometer/term-of-use Privacy Policy: https://kociapp.github.io/Accelerometer/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: BLE OTA at none against Accelerometer's 4. BLE OTA also leads on iOS requirement (11.0 vs 16.0). Accelerometer's advantage is device support. On price 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. Accelerometer sells 4 in-app purchases, starting at $3.99 per 7 days. BLE OTA asks for nothing beyond the download.
| Parameter | BLE OTA | Accelerometer |
|---|---|---|
| Price | Free | Free |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Devices | — | iPhone, iPad — better |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 34 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | VAN NGUYEN DAO | Andy Sutanto |
In-app purchases
BLE OTA
No in-app purchases
Accelerometer
- 1W$3.997 Days
- 1M$7.991 Month
- 1Y3 Days trial$29.991 Year
- Pro$49.99









