# Referee Tools — Whistle, Timer and Cards > Sports referee tool with timer, whistle, and penalty cards. (iPhone/iPad app by NAOYA ONO.) - Source: https://appshunter.io/ios/app/referee-tools/id1624421256 (this page in markdown: same URL + `.md`) - Developer: [NAOYA ONO](https://appshunter.io/developer/1530328146) - Category: Sports, Utilities - Price: Free with in-app purchases - Rating: 3.80/5 from 4 App Store ratings · 10 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 41 MB - Languages: Japanese, American English - Released: 2022-05-17 - Data updated: 2026-08-14 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/referee-tools/id1624421256/reviews.md ## What is 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. ## Key features - Adjustable timer (countdown/count up) - Multiple whistle sounds - Full-screen penalty card display - Customizable card colors - Sound alerts for countdown timer ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Support Developer | $0.99 | one-time | | Remove ads | $2.99 | one-time | ## Recent user reviews (10 of 10) All indexed reviews: https://appshunter.io/ios/app/referee-tools/id1624421256/reviews.md ### 3/5 — レビュー *2026-04-22* 得点を記録できる場所が欲しかった ### 5/5 — まあ、使いやすいよ。審判やったけど。 *2026-01-12* イキリキッズ ### 5/5 — とってもいい *2025-03-09* 使用したらとても感動 ### 1/5 — は！ *2024-03-20* 意味不明だけどこれこそすみませんえー🤨 ### 5/5 — 使ってよかった *2024-03-19* ⚽️などの審判で使えて嬉しかった ### 3/5 — 点表記きたら神なのに、、、、 *2023-10-06* このアプリ使わせてもらってるんですけど、点の表記があればなーとシクシク思います。もっと使いたいのでできれば追加してもらいたいです ### 5/5 — Wonderful game *2023-09-16* This is a wonderful game I always play it you can go I got it today I always play referee ### 4/5 — it was a good game *2023-06-08* it’s a good game ### 4/5 — Apple Watchに欲しい！ *2023-01-11* とっても良いのでApple Watchでも使える仕様にしてもらえたら最高です！！ ### 4/5 — Scoreboard *2022-11-28* Overall good app would be better if there was a score board. ## Frequently asked questions about Referee Tools ### What sports can Referee Tools be used for? Referee Tools is designed for a variety of sports including soccer, rugby, and handball. Its versatile timer and whistle functions can be adapted to many game scenarios. ### Can the timer in Referee Tools alert me when time is up? Yes, when using the countdown timer function, Referee Tools can play a sound when the timer reaches zero. This helps referees manage game time effectively. ### How do I display a penalty card in Referee Tools? To display a penalty card, simply tap the desired card (yellow or red) within the app. It will then be shown in full screen for clear visibility to players and officials. ### Can I customize the penalty cards in Referee Tools? Yes, while the app initially displays yellow and red cards, you can customize other card colors through the app's settings. This allows for greater flexibility in managing different game situations. ### Does Referee Tools have ads? Yes, Referee Tools contains advertisements. These ads are displayed within the application to support its development and maintenance. ### What devices is Referee Tools available on? Referee Tools is available on iPhone and iPad devices. It is optimized for use on iOS platforms. ### When was Referee Tools last updated? The latest version of Referee Tools, 1.3.3, was last updated on March 18, 2026. This indicates ongoing support and potential for future improvements. ### What is the age rating for Referee Tools? Referee Tools has an age rating of 4+. This means it is suitable for users of all ages, with no content restrictions. ## Version history (last 5 releases) ### 1.3.3 — 2026-03-18 Fixed an issue on iOS 26. ### 1.3.2 — 2026-01-02 Performance improvements. ### 1.3.0 — 2023-07-03 Performance improvements. ### 1.2.0 — 2022-11-01 Performance improvements. ### 1.1.0 — 2022-05-20 Added a paid plan to remove ads. ## Apps similar to Referee Tools | App | Rating | Price | Category | | --- | --- | --- | --- | | [Skeet25Pro](https://appshunter.io/ios/app/skeet25pro/id1443156860) | 2.7 (3) | Free | Sports | | [WKGSIM](https://appshunter.io/ios/app/wkgsim/id1445976080) | — | Free | Sports | | [AICS FROSINONE](https://appshunter.io/ios/app/aics-frosinone/id1438674800) | — | Free | Sports | | [ESF](https://appshunter.io/ios/app/esf/id1441362200) | — | Free | Sports | | [Jetting Maxter KZ / ICC Kart](https://appshunter.io/ios/app/jetting-maxter-kz-icc-kart/id1476036840) | 5.0 (4) | $14.99 | Sports | | [Microballistics](https://appshunter.io/ios/app/microballistics/id1467067380) | 2.3 (3) | Free | Sports | ## More apps by NAOYA ONO - [Tagalog Flashcards & Quizzes](https://appshunter.io/ios/app/tagalog-flashcards-and-quizzes/id1530328054) - [JLPT N5 Flashcards & Quizzes](https://appshunter.io/ios/app/jlpt-n5-flashcards-and-quizzes/id1534686815) - [JLPT N4 Flashcards & Quizzes](https://appshunter.io/ios/app/jlpt-n4-flashcards-and-quizzes/id1536370326) - [Hiragana & Katakana Master](https://appshunter.io/ios/app/hiragana-and-katakana-master/id1537789446) - [日本語文型ノート](https://appshunter.io/ios/app/id1539598951) - [Glist - Grocery list](https://appshunter.io/ios/app/glist-grocery-list/id1545091002) All apps by NAOYA ONO: https://appshunter.io/developer/1530328146 ## Related topics [referee tools](https://appshunter.io/ios/topics/referee-tools) · [referee app](https://appshunter.io/ios/topics/referee-app) · [referee tool](https://appshunter.io/ios/topics/referee-tool) · [referee cards](https://appshunter.io/ios/topics/referee-cards) · [referee whistle](https://appshunter.io/ios/topics/referee-whistle) · [red card yellow card](https://appshunter.io/ios/topics/red-card-yellow-card) · [soccer ref](https://appshunter.io/ios/topics/soccer-ref) · [referee](https://appshunter.io/ios/topics/referee) · [referee timer](https://appshunter.io/ios/topics/referee-timer) · [soccer referee](https://appshunter.io/ios/topics/soccer-referee) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*