Referee Yellow card, Whistle Downloads & RevenueReferee Yellow card, Whistle · App Store
Not in any tracked top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperRyouhei Azuma
CategoryUtilities
PriceFree
Released
Rating★ 4.8 (20)
Version2.4
Age rating4+
First seen by us
12 Oct 2026
12 Oct 2026Referee Yellow card, Whistle update history & changes
Last change · 3 events since 22 May 2023Full timeline ↓Full timeline · 3 events
- 🆕Referee Yellow card, Whistle first spotted by AppInsiderJapan (found via developer)
- 📦Referee Yellow card, Whistle version 2.4Added cards you can set to any color you like.
- 🆕Referee Yellow card, Whistle released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.8 ★
20 ratings
Measured
Referee Yellow card, Whistle on the App Store
App details
App ID
6449401491
Publisher
Ryouhei Azuma
On the store since
May 2023
3 years on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
16 MB
Also listed in
Sports
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.8 ★
20 ratings
Measured
Ratings
20
Measured
About Referee Yellow card, Whistle
It is a simple referee application that can be used in sports etc.
It can sound a whistle, can be used for sports refereeing, training, when you want to call something, pranks, etc.
You can put out four kinds of cards of yellow card, red card, orange card, green card in full screen.
It may be interesting to use it as a referee in sports games or when playing with friends.
It is designed to be easy to use with a simple screen and functions, so please try it.
It can sound a whistle, can be used for sports refereeing, training, when you want to call something, pranks, etc.
You can put out four kinds of cards of yellow card, red card, orange card, green card in full screen.
It may be interesting to use it as a referee in sports games or when playing with friends.
It is designed to be easy to use with a simple screen and functions, so please try it.
Latest updates
2.4
Added cards you can set to any color you like.
