WhistleOS: Referee App is made and published by
Lorand Barabas.
AppBrain is an independent app data site and isn't affiliated with Lorand Barabas.
The app name, icon, screenshots and description belong to Lorand Barabas and are shown as
published on the App Store.
About WhistleOS: Referee App
WhistleOS: Referee App is a sports app developed by Lorand Barabas.
User Ratings
The app has no ratings yet.
App Information
WhistleOS: Referee App is freely available from the App Store. The app size is 31.50 MB. The latest version available is 1.3.1. The last update was on October 22, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since October 2026.
Description by Lorand Barabas(from the App Store)
WhistleOS is the app for football referees – from grassroots to elite. You run the match on Apple Watch and prepare and review it on iPhone.
ON YOUR WATCH • Match clock with halves, stoppage-time suggestion and pause clock • Goals (incl. penalties and own goals), yellow, second yellow and red with reason • Cards for coaches and team officials, substitutions with bench and starting XI • Heart rate, steps and running route during the match • Three colour themes: light, pitch and contrast
ON YOUR IPHONE • Import line-ups from a photo, screenshot or PDF (AI) and send them to the watch • Import your assignments from e-mails or reports • Match report with timeline, summary and PDF export • Special reports for sending-offs • Expense receipts with signature – the fee is taken from your association's fee list • Season statistics with distance and heatmap
FOR ASSESSORS • Observation forms: German DFB, England (FA), Netherlands (KNVB), a generic international template – or import your association's form from a photo • Notes with minute, thumbs up/down and pitch position • AI suggestion for the ratings based on your notes – every rating stays editable
WHISTLEOS PRO All features are free for 14 days. After that: WhistleOS Pro monthly or yearly. The subscription renews automatically and can be cancelled at any time in your Apple Account settings.
PRIVACY Matches, heart rate and route stay on your device. Health data is not included in iCloud backups.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/datenschutzwos
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
