Comparison

ReactionTimeChecker vs Tapd

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Reaction time testing
  • Color-changing button gameplay
  • Score and evaluation display
  • Online ranking system
  • Automatic result upload
Features
Read 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

About

Tapd

A fast-paced tapping game that challenges your hand-eye coordination and reaction time. Test your skills across various difficulty levels, including a special mode for children. Compete for high scores and enjoy customizable sound options.

Highlights
  • Fast-paced tapping gameplay
  • Multiple difficulty levels
  • Kids mode with unlimited lives
  • Local high score tracking
  • Pause and resume functionality
  • Music and sound effects
Features
Read full description

Tap the matching targets as they fall down the screen. Sounds easy, until the target changes and the speed picks up. Tapd is a fast-paced test of your hand-eye coordination and focus. Play as much as you want — there are no lives. Play for free, forever. Features - Five difficulties, from a slower-paced Very Easy to a frantic Expert. - Very Easy lets you pick a single color and only ends your run on a wrong tap. - One second chance per run on Easy and up to pick up right where you left off. - A high score for every difficulty, plus stats for every game you play. - Pause and resume a game at any time. - Music and sound effects. - Go ad-free with a one-time purchase. Feedback For feature requests and bug reports, tap "Send Feedback" in the game menu, or email support@tapd.ca. Open Source Tapd is open source and can be found on GitHub: https://github.com/cohenadair/tapd

Screenshots

ReactionTimeChecker4 screens
Tapd4 screens

Verdict

The call

The clearest difference is rating: Tapd at 4.0 against ReactionTimeChecker's 1.0. Tapd also leads on review sentiment (70% vs 33%) and ads (none vs shown). ReactionTimeChecker's advantage is in-app purchases (none vs 4) and update cadence (every 7 months vs every 22 months). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tapd sells 4 one-off in-app purchases. ReactionTimeChecker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tapd holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Tapd has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of ReactionTimeChecker's written reviews are positive against 70% of Tapd's.

UpkeepUpdate frequency

ReactionTimeChecker ships an update every 7 months, Tapd every 22 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard7 real differences · 3 level
ReactionTimeChecker versus Tapd: the parameters behind the verdict, then further details
ParameterReactionTimeCheckerTapd
PriceFreeFree
Rating1.0 (1 ratings)4.0 (30 ratings) — better
Positive reviews33.3% of reviews70.0% of reviews — better
Number of ratings130 — better
Update frequencyEvery 7 months — betterEvery 22 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size22 MB59 MB
Age rating4+4+
DeveloperNSC, K.K.Cohen Adair

Customer experience

ReactionTimeChecker

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Tapd

All ratings29 ratings
Positive75.9%
Neutral6.9%
Negative17.2%
Written reviews10 reviews
Positive70.0%
Neutral0.0%
Negative30.0%

In-app purchases

None

ReactionTimeChecker

No in-app purchases

4 purchases

Tapd

One-time4
  • Lives Package First Tier$0.99
  • Lives Package Second Tier$1.99
  • Remove Ads$3.99
Show 1 more
  • Lives Package Third Tier$9.99

Questions

Is ReactionTimeChecker free?
ReactionTimeChecker is free to download, with no in-app purchases.
Is Tapd free?
Tapd is free to download, with in-app purchases available.
Which has better reviews, ReactionTimeChecker or Tapd?
Tapd is rated higher. ReactionTimeChecker averages 1.0 out of 5 from 1 ratings, while Tapd averages 4.0 from 30 ratings.
Do ReactionTimeChecker or Tapd have ads?
ReactionTimeChecker shows ads; Tapd does not.
Which is updated more often, ReactionTimeChecker or Tapd?
ReactionTimeChecker ships an update every 7 months, and Tapd every 22 months. Most recently, ReactionTimeChecker was updated on November 1, 2026 and Tapd on November 6, 2026.

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