Referee Tools
Whistle, Timer and Cards
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
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.
Fixed an issue on iOS 26.
The developer, NAOYA ONO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- NAOYA ONO
- Size
- 43.5 MB
- Category
- Sports
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove ads $2.99
- Support Developer $0.99
- Copyright
- © NAOYA ONO