Referee Tools
NAOYA ONO Sports iPhoneiPadiPod touch
Referee Tools is a free Sports app for iPhone and iPad by NAOYA ONO. Rated 3.8/5 from 4 ratings. Requires iOS 15.6. Updated March 18, 2026.
- Rating
- 3.8
- 4 ratings
- Price
- Free
- on the App Store
- Size
- 41 MB
- Age 4+
- Updated
- Mar 18
- 2026 · v1.3.3
Screenshots
About Referee Tools
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.
What’s new
Version 1.3.3 · Updated March 18, 2026
Fixed an issue on iOS 26.
App privacy
The developer, NAOYA ONO, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Advertising Data
Used for: Third-Party Advertising
Alternatives to Referee Tools
Looking for apps like Referee Tools? Here are 6 similar apps on the App Store. The highest rated is Soccer 2026 – Schedule & Tools (4.6/5), and all 6 are free to download.
-
SFRef Soccer Referee Watch
4.4
-
REFSIX - Soccer Referee app
4.3
-
Referee Watch PRO
4.4
-
Offside game
2.0
-
Whistle Time
-
Soccer 2026 – Schedule & Tools
4.6
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Referee Tools | 3.8 / 5 (4 ratings) | Free | March 18, 2026 | |
| SFRef Soccer Referee Watch | 4.4 / 5 (158) | Free | Jan 22, 2024 | Compare |
| REFSIX - Soccer Referee app | 4.3 / 5 (306) | Free | Aug 4, 2026 | Compare |
| Referee Watch PRO | 4.4 / 5 (38) | Free | Oct 6, 2026 | Compare |
| Offside game | 2.0 / 5 (2) | Free | Aug 4, 2026 | Compare |
| Whistle Time | – | Free | Oct 7, 2026 | Compare |
| Soccer 2026 – Schedule & Tools | 4.6 / 5 (25) | Free | Jun 24, 2026 | Compare |
Compare Referee Tools with the top alternatives: ratings, updates, ASO score and keyword gaps →