Referee Tools
iOS app by NAOYA ONO. Sports · NAOYA ONO
- Store rating
- 3.75 / 5
- Store rating count
- 4
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.3.3
- Listing last refreshed
- 2026-09-07
View the original store listing
Store description excerpt
Simple and easy-to-use referee tool app. It can be used when refereeing soccer, rugby, handball, etc. ● Basic functions 1. Timer function Tap the time to start the timer. If you want to stop it, tap it again. The timer can be set to “countdown” or “count up”. When "countdown" is selected, a sound can be played when the timer reaches zero. 2. Whistle Press the "Short", "Long", or “Twice” button to sound the whistle. If the whistle icon is held down, the whistle sound will play the entire time (up to approximately 30 seconds). 3. Penalty cards Tap a card to display it in full screen. In the initial display, "yellow card" and "red card" are shown, but other color cards can be displayed in the settings.
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