Comparison

Clicka! vs Reaction time trainer

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

Head to head
About

Clicka!

This is a minimalist game where a number on the screen increments by one with each tap. It's designed as a simple time-waster with no complex mechanics or objectives.

Highlights
  • Number incrementing on click
  • Minimalist design
  • Time-wasting gameplay
  • Simple interface
Features
Read full description

"The most boring game ever". The number on the screen goes up by one each time you click it. "The best way to waste time".

About

Reaction time trainer

Enhance your reflexes with a quick reaction test. Tap as many targets as possible within a 30-second timeframe. This training app is perfect for improving performance in games and sports, allowing you to compete with others.

Highlights
  • Reaction speed test
  • Tap targets quickly
  • 30-second challenges
  • Game Center login
  • Global rankings
Features
Read full description

Maximize your performance with RapidShot. A simple game that taps as many targets as possible in 30 seconds. It is a training application which can be done anywhere for people who want to be stronger in games and sports. Let's get to the competition by getting into the vacant time! You can login to Game Center and join the ranking.

Screenshots

Clicka!3 screens
Reaction time trainer2 screens

Verdict

The call

Clicka! and Reaction time trainer both sit at 4.7 stars, but that hides the real split: 95% of Clicka!'s written reviews are positive against 54% of Reaction time trainer's. Clicka! also leads on ads (none vs shown) and update cadence (every 8 days vs every 2 months). Reaction time trainer's advantage is in-app purchases (none vs 2). On price, rating, 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. Clicka! sells 2 one-off in-app purchases. Reaction time trainer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Clicka! against 4.6 for Reaction time trainer. That said, the two scores are not equally well evidenced: Clicka! has 2.9K ratings behind it against 311, so its average is the more settled of the two. Written reviews are what separate them: 95% of Clicka!'s written reviews are positive against 54% of Reaction time trainer's.

UpkeepUpdate frequency

Clicka! ships an update every 8 days, Reaction time trainer every 2 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

Scorecard6 real differences · 4 level
Clicka! versus Reaction time trainer: the parameters behind the verdict, then further details
ParameterClicka!Reaction time trainer
PriceFreeFree
Rating4.7 (2.9K ratings) — better4.6 (311 ratings)
Positive reviews95.1% of reviews — better53.6% of reviews
Number of ratings2.9K — better311
Update frequencyEvery 8 days — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size2 MB8 MB
Age rating4+4+
DeveloperCalvin LiangMasaharu Tsukamoto

Customer experience

Clicka!

All ratings2,925 ratings
Positive92.0%
Neutral2.7%
Negative5.3%
Written reviews670 reviews
Positive95.1%
Neutral1.3%
Negative3.6%

Reaction time trainer

All ratings294 ratings
Positive89.1%
Neutral3.7%
Negative7.1%
Written reviews56 reviews
Positive53.6%
Neutral12.5%
Negative33.9%

User reviews

Clicka!

From 2.9K App Store ratings

What we love

  • 👍 Customizable click sounds and vibrations
  • 👍 Addictive and satisfying to use
  • 👍 Helps with ADHD and anxiety
  • 👍 No ads or in-app purchases

Room to improve

  • 🐛 Crashes or freezes on some devices
  • 🐛 Leaderboard issues or not working
  • 🔋 Can be a major time sink

Reaction time trainer

From 311 App Store ratings

What we love

  • 👍 Effective aim trainer
  • 👍 Improves reaction time
  • 👍 Simple and effective
  • 👍 Fun and addictive
  • 👍 Good for stress relief

Room to improve

  • 광고 Excessive ads
  • 広告 Ads interrupt gameplay
  • 広告 Ads appear too frequently
  • 広告 Ads are distracting
  • 広告 Ads are intrusive

Bugs and requests

Clicka!

Reported bugs

2 issues
  • Leaderboard not updating properly
  • Crashes when opening the app

Requested features

3 requests
  • Add a reset button
  • Expand color and sound customization options
  • Implement an endless mode or challenges

Reaction time trainer

Reported bugs

10 issues
  • Targets spawn too close
  • Buttons overlap and are hard to see
  • Game lags or has visual glitches
  • Game requires internet connection
  • Fake ad rewards
Show 5 more
  • Distracting target outlines
  • Game not working after ad
  • Leaderboard issues with cheaters
  • Bug with rapid retries
  • Game freezes on 'Ready' screen

Requested features

6 requests
  • More game modes and challenges
  • Leaderboard fixes for cheaters
  • Option to disable ads (paid)
  • Horizontal screen support
  • Better timing for ad displays
Show 1 more
  • More variety in target patterns

In-app purchases

2 purchases

Clicka!

One-time2
  • 2× Boost$19.99
  • 4× Boost$139.99
None

Reaction time trainer

No in-app purchases

Questions

Is Clicka! free?
Clicka! is free to download, with in-app purchases available.
Is Reaction time trainer free?
Reaction time trainer is free to download, with no in-app purchases.
Which has better reviews, Clicka! or Reaction time trainer?
Clicka! is rated higher. Clicka! averages 4.7 out of 5 from 2.9K ratings, while Reaction time trainer averages 4.6 from 311 ratings.
Do Clicka! or Reaction time trainer have ads?
Reaction time trainer shows ads; Clicka! does not.
Which is updated more often, Clicka! or Reaction time trainer?
Clicka! ships an update every 8 days, and Reaction time trainer every 2 months. Most recently, Clicka! was updated on October 27, 2026 and Reaction time trainer on October 26, 2026.

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