# Hit-One

> Wireless quiz buzzer system connecting multiple iOS devices for interactive games. (iPhone/iPad app by Keietsu Yasuhara.)

- Source: https://appshunter.io/ios/app/hit-one/id588121900 (this page in markdown: same URL + `.md`)
- Developer: [Keietsu Yasuhara](https://appshunter.io/developer/378538320)
- Category: Utilities, Entertainment
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 8.0 · 2 MB
- Languages: American English, Japanese
- Released: 2012-12-27
- Data updated: 2026-06-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/hit-one/id588121900/reviews.md

## What is Hit?

Please note: In iOS 9 and later, Bluetooth connection can not be made. Please connect in the same Wifi environment.

"It is the early push judgment machine" which I tie plural iPhone and iPad with wireless, and is usable. 

- It connect three solvers to one question-master. 
-> It is shown when oneself pushed it to a solver. 
-> The answer turn of the solver is shown a question-master. 
- It is connected in Bluetooth or the same Wi-Fi environment. 

A question-master uses iPad and is a force perfect score when I output it in the big screen in AirPlay. 

Only the question-master is enough for the purchase of the adding on. It can be connected to ten. 

Importance : When iOS 5 and iOS 6.0 exists together in the terminal of the answer person, please connect the terminal of iOS 6.0 first. When iOS 5 is connected first, connection of the terminal of iOS 6.0 immediately is cut off.
　--> This problem does not appear in iOS 6.1.

## Key features

- Wireless device connection
- Question master and solver roles
- Real-time buzzer indication
- Answer order display
- AirPlay output support
- Expandable to ten solvers

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Connection number of people increase | $2.99 | one-time |


## Recent user reviews (10 of 11)

All indexed reviews: https://appshunter.io/ios/app/hit-one/id588121900/reviews.md

### 2/5 — 戻るボタンをください

*2022-01-02, version 1.6*

戻るボタンがない為、ホームに戻りたい時にいちいちアプリを終了しなければならないです。
どこかに戻るボタンをつけて頂きたいですm(__)m

### 5/5 — レッスンで使いました

*2021-12-16, version 1.6*

英会話のレッスンで使いました
大盛りあがりで楽しかったです

残念だったのが、
Wi-Fiで繋げましたが、最新のiPhoneだと繋がりませんでした
インストールはできたのですが、解答者を押しても待機中のまま何も変わらず

購入して、６人でクイズ大会を開きたいので、対応ぜひお願いします！！！

### 1/5 — 購入できない

*2021-03-08, version 1.6*

どこで購入できますか

### 3/5 — 面白いです

*2020-02-12, version 1.6*

もっと多くの人で楽しめるようにアプリを改良することはできませんか？
できればお願いします！

### 5/5 — 3台以上でも可能？

*2018-12-29, version 1.6*

自分のipadを出題者にして、現iphoneと旧iphoneを繋げてますが、３台以上でも大丈夫ですか？

### 3/5 — アートワークのダウンロード中に問題が起きました

*2018-03-11, version 1.6*

「アートワークのダウンロード中に問題が起きました」と出てダウンロードできません。

### 5/5 — 最高です！！

*2015-02-03, version 1.5*

通信が途切れることもなく、とてもスムーズに楽しめました！一つリクエストは正解、不正解のボタンの正解の音が解答者がボタンをを押した時の音と一緒なのが紛らわしかったので変えてもらえたら助かります！良いアプリをありがとうございます！！

### 1/5 — 接続不良多し

*2014-04-27, version 1.5*

使いずらい

### 3/5 — iOS7で回答者の名前変更ができない

*2013-11-09, version 1.3*

接続も簡単にできて、安定動作しているのですが、iOS7で回答者の名前変更ができません。
iOS6で表示されている入力欄が表示されません。

対応をお願いします。

### 5/5 — 役立ちました！

*2013-08-28, version 1.3*

レクリエーションの早押しクイズゲームで使いましたが好評でした。途中で切断されることもなく、快適に楽しめました。

## Frequently asked questions about Hit

### How does Hit-One connect devices?

Hit-One connects devices wirelessly via Bluetooth or the same Wi-Fi environment. For iOS 9 and later, Bluetooth connection is not supported, so Wi-Fi is the primary method.

### Can I use Hit-One offline?

Yes, Hit-One can be used offline as long as all connected devices are on the same Wi-Fi network. An internet connection is not required for gameplay.

### What devices are supported by Hit-One?

Hit-One is supported on iPhone and iPod devices. The question master can utilize an iPad for a larger display, especially when using AirPlay.

### Does Hit-One have ads?

No, Hit-One does not contain advertisements. The app is free to download and use, with optional in-app purchases for additional features.

### How many solvers can connect to Hit-One?

Initially, three solvers can connect to one question master. The app supports expansion to connect up to ten solvers for larger groups.

### What is the age rating for Hit-One?

Hit-One has an age rating of 4+. This indicates it is suitable for young children and general audiences.

### When was Hit-One last updated?

The latest version of Hit-One, 1.6, was last updated on May 23, 2017. The app was originally released on December 27, 2012.

### What are the in-app purchases for Hit-One?

The in-app purchases for Hit-One are for the question master functionality. This allows for expanded connectivity and features for the host of the quiz.

## Version history (last 5 releases)

### 1.6 — 2017-05-23

This app has been updated by Apple to display the Apple Watch app icon.

· It corresponds to iOS 10.
· It became a 64bit compatible application.
· This version is eligible for iOS 8 or higher.

### 1.5 — 2014-01-18

- The link of KyasuSoft application introduction of a usage screen was corrected.

### 1.4 — 2013-11-18

- iOS 7 Ready.
- It corrected that the solver name was not able to be changed by iOS 7.

### 1.3 — 2013-07-09

-  Correct English-language Edition and Purchasing Wording. 
-  Display Ending with Purchase in Title of Add-on Purchase Screen. 
-  Correct a Little Explanation.

### 1.2 — 2013-02-15

- Icon design is changed.
- Usage text is changed.

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## More apps by Keietsu Yasuhara

- [風車](https://appshunter.io/ios/app/id378538317)
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- [scCalendarHD（スクロールカレンダーHD）](https://appshunter.io/ios/app/sccalendarhdhd/id396296664)
- [FuelRec](https://appshunter.io/ios/app/fuelrec/id446624668)
- [DayRemain](https://appshunter.io/ios/app/dayremain/id556514519)

All apps by Keietsu Yasuhara: https://appshunter.io/developer/378538320

## Related topics

[hitone](https://appshunter.io/ios/topics/hitone)

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*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 2026-06-25.*