# Protimeter Firmware Update — OTA App

> OTA App (iPhone/iPad app by Amphenol Thermometrics Inc..)

- Source: https://appshunter.io/ios/app/protimeter-firmware-update/id6738372546 (this page in markdown: same URL + `.md`)
- Developer: [Amphenol Thermometrics Inc.](https://appshunter.io/developer/1086146573)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 27 MB
- Languages: English
- Released: 2024-11-27
- Data updated: 2026-05-31
- User reviews in markdown: https://appshunter.io/ios/app/protimeter-firmware-update/id6738372546/reviews.md

## What is Protimeter Firmware Update?

This app supports OTA Firmware upgrade for all the Protimeter Surveymaster variants:
BLD5375 SurveyMaster
BLD5770 Aquant
BLD5675 TimberMaster
GRN6170 BaleMaster
BLD5775 Digital Mini


## Version history (last 5 releases)

### 1.0.9 — 2026-05-28

APIs updated for improved UI and performance.

### 1.0.8 — 2025-12-14

The app now retrieves and displays the current firmware version information directly from the connected device.

### 1.0.6 — 2025-08-21

The APIs have been updated to the latest version.

### 1.0.4 — 2024-12-31

bug fixing and change the success icon

### 1.0.3 — 2024-12-16

Linking with the photometer connect app

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## More apps by Amphenol Thermometrics Inc.

- [Protimeter BLE](https://appshunter.io/ios/app/protimeter-ble/id1272528996)
- [Protimeter Connect](https://appshunter.io/ios/app/protimeter-connect/id1572286168)

All apps by Amphenol Thermometrics Inc.: https://appshunter.io/developer/1086146573

## Related topics

[bsten pro](https://appshunter.io/ios/topics/bsten-pro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-31.*