BLE OTA vs UltraStop
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
UltraStop
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A high-performance stopwatch app designed for tasks requiring ultra-precise time measurement. It measures time down to milliseconds and microseconds with exceptional accuracy, making it perfect for experiments, sports, programming tests, and more. With an intuitive interface, anyone can effortlessly record precise timings.
Screenshots
Verdict
The clearest difference is device support: UltraStop at 3 against BLE OTA's —. BLE OTA's advantage is iOS requirement (11.0 vs 15.0). On price 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.
| Parameter | BLE OTA | UltraStop |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 12 months |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | VAN NGUYEN DAO | JUHWAN LEE |
In-app purchases
BLE OTA
No in-app purchases
UltraStop
No in-app purchases









