ReactionTimeChecker vs Hot Button
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ReactionTimeChecker
Test your reflexes by tapping a color-changing button as quickly as possible. Compete with others through online leaderboards and receive an evaluation of your performance.
- Reaction time testing
- Color-changing button gameplay
- Score and evaluation display
- Online ranking system
- Automatic result upload
Read full descriptionHide full description
[What is this game?] -This game can test your earliness of a reaction(reflexes). [How to Play] -First,You can see 25 buttons(5*5). -When a game starts,any one of the 25 buttons color will change to PINK. -You TAP the glowing pink button as soon as possible! -After the game ended, you can see your SCORE and EVALUATION(Japanese KANJI). [Online Ranking] This app will automatically upload your play results to the online ranking server. If you do not agree to the automatic registration on the online ranking server, please refrain from using this app. The data uploaded to the server is as follows. 1. The name entered on the title screen (If you do not enter the name, it will be automatically registered with the name "unknown".) 2. Play result (average reaction time) In addition, please check the following privacy policy. https://www.nscnet.jp/privacyPolicy.html *If you are using iOS 14.5 or later, a dialog asking for tracking permission will be displayed at the first startup. This setting can be confirmed and changed in the "Settings" app, "Privacy", and "Tracking". Production: NSC, K.K. If you have any problems or requests, please check the contents of the “Contact Us” page on our website and send us an e-mail. Click here for “Contact Us”: https://www.nscnet.jp/inquiry.html
Hot Button
Challenge friends to a fast-paced reaction game with multiple modes. Improve your reflexes in training or compete in party settings. Winners can be rewarded and losers can face fun consequences.
- Multiplayer reaction testing
- 4 different game modes
- Training mode for skill improvement
- Party game functionality
- Winner rewards and loser punishments
Read full descriptionHide full description
Test your reaction with up to 4 persons in 4 different game modes. Reward the winner or/and punish the looser with a tough job. Give free rein to fantasy! Improve your reaction skills in the training mode and compete with your friends at the next party! Note: Please don't misuse this game as a drinking game!
Screenshots
Verdict
The clearest difference is rating: Hot Button at 2.5 against ReactionTimeChecker's 1.0. Hot Button also leads on review sentiment (75% vs 33%) and ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Hot Button holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 33% of ReactionTimeChecker's written reviews are positive against 75% of Hot Button's.
ReactionTimeChecker ships an update every 7 months, Hot Button every 9 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.
| Parameter | ReactionTimeChecker | Hot Button |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 2.5 (4 ratings) — better |
| Positive reviews | 33.3% of reviews | 75.0% of reviews — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 7 months — better | Every 9 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | NSC, K.K. | Peter Weiss |
Customer experience
ReactionTimeChecker
Hot Button
In-app purchases
ReactionTimeChecker
No in-app purchases
Hot Button
No in-app purchases
Questions
Is ReactionTimeChecker free?
Is Hot Button free?
Which has better reviews, ReactionTimeChecker or Hot Button?
Do ReactionTimeChecker or Hot Button have ads?
Which is updated more often, ReactionTimeChecker or Hot Button?
Other comparisons
