PKS Live vs TM550
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PKS Live
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Résultats de rallyes et courses de Côte automobile. Classements en direct.
TM550
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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
Screenshots
Verdict
The clearest difference is update cadence: TM550 at every 2 months against PKS Live's every 11 months. TM550 also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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.
PKS Live ships an update every 11 months, TM550 every 2 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | PKS Live | TM550 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 75 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Petitgirard | ITS-CHRONO |
In-app purchases
PKS Live
No in-app purchases
TM550
No in-app purchases
