# TM550 — BLE app for pilot TM550 device

> BLE app for pilot TM550 device (iPhone/iPad app by ITS-CHRONO.)

- Source: https://appshunter.io/ios/app/tm550/id1659378867 (this page in markdown: same URL + `.md`)
- Developer: [ITS-CHRONO](https://appshunter.io/developer/1278336293)
- Category: Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 42 MB
- Languages: American English
- Released: 2022-12-19
- Data updated: 2026-09-07
- User reviews in markdown: https://appshunter.io/ios/app/tm550/id1659378867/reviews.md

## What is TM550?

This free Bluetooth (BLE) app will allow you to manually identify the time of competitors measured by the Time Master 550 (TM550).
It will allow you to identify competitors directly from your phone, and send the identification to the TAG Heuer Timing Online server.
You can print each received or identified time by connecting the app to a Bluetooth printer.

Main features :
-Work in background or if the screen is off
-Connection to a TM550 with Bluetooth (BLE)
	- Received times of the current run
-Connection to a Bluetooth printer
	- Automatic printing
		-Received times of the current run
		-Identified times of the current run
		-All times of the current run
-Connection to the TAG Heuer server
	-Sent times of the current run (manual / automatic mode)
	-Sent all times of the current run
-Historic of times

This app need a TM550 by ITS CHRONO
https://www.itschrono.com/fr/appareils-de-chronometrage-professionnel/614-time-master-550.html


## Version history (last 5 releases)

### 1.0.15 — 2024-04-05

fix waiting list

### 1.0.14 — 2024-03-21

Add modification waiting list from long press on wait list
User interface improvement
TM550 and server connections status feedback improvment
Times that doesn't come from a used channel will be ignored
Internal database optimisation
Fix server connection stability
Fix translations issues
Fix waiting list issue

### 1.0.13 — 2024-03-12

Warning IOS 11 devices not supported anymore

Add modification waiting list from long press on wait list
User interface improvement
TM550 and server connections status feedback improvement
Times that doesn't come from a used channel will be ignored
Fix server connection stability
Fix translations issues

### 1.0.12 — 2024-02-25

- Internal optimisation
- Fix waiting list

### 1.O.10 — 2023-12-13

Patch notes : 
Add ranking features
UI improvements of the add time feature
Printing improvements
Fix TM550 reconnect error
Fix printer connection
Fix duplicate times on print
Add waiting list management feature
Fix light and dark theme
Add runs namming feature
Internal optimizations
Add save printing tape to PDF

## Apps similar to TM550

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [DigiSwimX](https://appshunter.io/ios/app/digiswimx/id1668227706) | — | Free | Sports |
| [FDS Device Manager](https://appshunter.io/ios/app/fds-device-manager/id6469463485) | — | Free | Sports |
| [Solution indoor](https://appshunter.io/ios/app/solution-indoor/id6738024802) | — | Free | Sports |
| [FDS Remote Timer](https://appshunter.io/ios/app/fds-remote-timer/id1483148951) | — | Free | Sports |
| [FDS TBox Chrono](https://appshunter.io/ios/app/fds-tbox-chrono/id1293996139) | — | Free | Sports |
| [UCI Commissaires Help](https://appshunter.io/ios/app/uci-commissaires-help/id6446894249) | — | Free | Sports |

## More apps by ITS-CHRONO

- [ITS RESULTS](https://appshunter.io/ios/app/its-results/id1278336294)
- [ITS LIVE](https://appshunter.io/ios/app/its-live/id1344792964)
- [ITS LIVE DISPLAY](https://appshunter.io/ios/app/its-live-display/id1462637233)
- [ITS RESULTS v2](https://appshunter.io/ios/app/its-results-v2/id6758515392)

All apps by ITS-CHRONO: https://appshunter.io/developer/1278336293

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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 2026-09-07.*