WhistleOS

WhistleOS is the digital companion for football referees and referee observers – for everything related to the game: pre-match preparation, on-the-spotting, and post-match reporting.

READ TEAMS IN SECONDS

Instead of typing in jersey numbers, you import the lineup directly from DFBnet. Upload the press kit as a PDF or multiple screenshots – WhistleOS automatically recognizes team names, coaches, jersey numbers, player names, and the captain. Text recognition runs entirely on your device.

Referee Observer's Report Sheet

A complete tool for game observation:

- Game clock with second half and separate stoppage time

- Type or dictate notes

- Mark the location of the situation directly on the field

- Record cards and time penalties with justifications

Time penalties count down and notify you when the player is allowed back on the field

- Evaluate incidents as points or deductions

- Copy and share completed observer reports

- Personal archive for all observations

The referee team is automatically imported. The screen remains on during observation, and an ongoing observation is not lost even if the app is closed in the background.

Expense Receipt as PDF

Enter the match, name, and amount – WhistleOS generates a signature-ready receipt as a PDF and opens your email app directly with the completed attachment.

MATCH DIRECTIONS AND STATISTICS

Record goals, cards, and substitutions with just a few taps, including the minute and team color. The app automatically adjusts the rules: only players on the field can score, and substitutions can only be made from the bench. [Over all...]