AppMarketSpy › Sports › WhistleOS: Referee App
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App info
- Developer
- Lorand Barabas
- Category
- Sports, Productivity
- Released
- Oct 9, 2026
- Version
- 1.3.1 (Oct 22, 2026)
- Price
- Free
- Size
- 31.5 MB
- Requires
- iOS 17.0
- Age rating
- 4+
- Languages
- English, French, German, Hungarian, Italian, Japanese, Portuguese, Romanian, Russian, Simplified Chinese, Spanish
In-app purchases
| WhistleOS Pro yearly | $44.99 |
| WhistleOS Pro monthly | $3.99 |
Current prices, App Store US.
🔒 Price history3 snapshots: when prices changed and new plans appearedGet Pro access
About WhistleOS: Referee App
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…
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