Comparison

ReactionTimeChecker vs Reflex

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

Reflex

Features
Read full description

Want to test your memory skills or give your brain an exercise? Try this fun memory game to improve your memory, speed, get better accuracy, This is a fun logical game that gives a good test to your brain. To add to playing a logical game and training your brain, you also have a lot of fun with the game. It is packed with different kind of tests that improve your skills and abilities. Here is how – Improve your memory Train your reflexes Increase your accuracy Prove your touch ability Increase your speed In this game user has to select numbers in ascending order from a box that contains shuffled numbers in time. There are two versions of game 1. Beginner - In which there is no time limit. 2. Expert - In which user has to complete the game in fixed time.

Screenshots

ReactionTimeChecker4 screens
Reflex4 screens

Verdict

The call

The clearest difference is ads: Reflex at none against ReactionTimeChecker's shown. Reflex also leads on iOS requirement (11.0 vs 15.6). ReactionTimeChecker's advantage is update cadence (every 7 months vs every 27 months). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ReactionTimeChecker ships an update every 7 months, Reflex every 27 months. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 7 level
ReactionTimeChecker versus Reflex: the parameters behind the verdict, then further details
ParameterReactionTimeCheckerReflex
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings1 — better—
Update frequencyEvery 7 months — betterEvery 27 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size22 MB27 MB
Age rating4+4+
DeveloperNSC, K.K.RulTech Solutions Private Limited

In-app purchases

None

ReactionTimeChecker

No in-app purchases

None

Reflex

No in-app purchases

Questions

Is ReactionTimeChecker free?
ReactionTimeChecker is free to download, with no in-app purchases.
Is Reflex free?
Reflex is free to download, with no in-app purchases.
Do ReactionTimeChecker or Reflex have ads?
ReactionTimeChecker shows ads; Reflex does not.
Which is updated more often, ReactionTimeChecker or Reflex?
ReactionTimeChecker ships an update every 7 months, and Reflex every 27 months. Most recently, ReactionTimeChecker was updated on October 3, 2026 and Reflex on September 24, 2026.

Other comparisons