Comparison

Simple Reaction Time Test vs Reaction Speed Reflex Trainer

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

Head to head
About

Simple Reaction Time Test

Test your reflexes with a simple tap-based game. The screen flashes colors before a green prompt appears, and you must tap as quickly as possible to record your reaction time. Share your best scores with friends.

Highlights
  • Tap-based reaction test
  • Color-changing prompts
  • Millisecond timer
  • Share scores with friends
  • Reset average time option
  • Ad removal option
Features
Read full description

This app is a very simple way to test your reaction time. When you tap play, the app changes back and forth from red and yellow screens. It then changes to a green screen with a millisecond timer, and you have to tap as fast as possible to get your best possible reaction time. You can compete with friends by sharing your fastest times via iMessage, Twitter, Facebook, etc. There are also In-App Purchases to reset your average time and remove in game ads.

About

Reaction Speed Reflex Trainer

Sharpen your reflexes and boost reaction speed with engaging game modes. Measure your reaction time to the millisecond, compete on global leaderboards, and track your progress. Ideal for improving focus, training reflexes, or simply for fun.

Highlights
  • Reaction time measurement
  • Multiple game modes
  • Global leaderboards
  • Progress tracking
  • Focus and reflex training
Features
Read full description

Boost your reaction speed and sharpen your reflexes with the ultimate Reaction Time Test app! Designed for simplicity and fun, this app puts your reaction time to the ultimate test. Tap the moment the screen changes from red to green and see your reactions measured down to the millisecond. Explore exciting game modes that challenge your reflexes and reaction skills: Classic Reaction Test: Tap the moment the screen turns green. Lights Out: Inspired by Formula 1, react to the lights turning off as quickly as possible. Chimp Test: Test your memory and reactions simultaneously in this unique challenge. Aim Game: Hit 30 targets as fast as you can to test your speed, precision, and reactions. The Hole: A fun twist that combines accuracy and reaction timing. Compete with others by climbing the reaction leaderboards and comparing scores with players worldwide. Track your reaction progress, smash your personal best, and see your reaction time improve with every game mode. Whether you’re improving focus, training reflexes, or just having fun, this app is the ultimate tool to train and test your reaction time. Download now to test, train, and dominate your reactions! EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Simple Reaction Time Test3 screens
Reaction Speed Reflex Trainer4 screens

Verdict

The call

The clearest difference is rating: Reaction Speed Reflex Trainer at 4.6 against Simple Reaction Time Test's 4.0. Reaction Speed Reflex Trainer also leads on review sentiment (53% vs 17%) and ratings volume (1.5K vs 10). Simple Reaction Time Test's advantage is ads (none vs shown) and iOS requirement (10.0 vs 16.6). On price, in-app purchases, monetization model 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. Simple Reaction Time Test sells 2 one-off in-app purchases and Reaction Speed Reflex Trainer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Reaction Speed Reflex Trainer holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Reaction Speed Reflex Trainer has 1.5K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 17% of Simple Reaction Time Test's written reviews are positive against 53% of Reaction Speed Reflex Trainer's.

UpkeepUpdate frequency

Simple Reaction Time Test ships an update every 10 months, Reaction Speed Reflex Trainer every 3 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

Scorecard6 real differences · 4 level
Simple Reaction Time Test versus Reaction Speed Reflex Trainer: the parameters behind the verdict, then further details
ParameterSimple Reaction Time TestReaction Speed Reflex Trainer
PriceFreeFree
Rating4.0 (10 ratings)4.6 (1.5K ratings) — better
Positive reviews16.7% of reviews53.4% of reviews — better
Number of ratings101.5K — better
Update frequencyEvery 10 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better16.6
Further details — not scored
Size27 MB27 MB
Age rating4+4+
DeveloperBrock CarpaniVicki Partridge

Customer experience

Simple Reaction Time Test

All ratings9 ratings
Positive55.6%
Neutral33.3%
Negative11.1%
Written reviews6 reviews
Positive16.7%
Neutral66.7%
Negative16.7%

Reaction Speed Reflex Trainer

All ratings1,408 ratings
Positive91.4%
Neutral3.6%
Negative5.0%
Written reviews133 reviews
Positive53.4%
Neutral8.3%
Negative38.3%

Bugs and requests

Simple Reaction Time Test

Not enough reviews yet to summarise bugs or requests.

Reaction Speed Reflex Trainer

Reported bugs

3 issues
  • Reaction time not updating correctly
  • Crashes when trying to use paid features
  • Ads continue to show even after purchasing ad-free version

Requested features

3 requests
  • Track personal best reaction time
  • Add more game modes and challenges
  • Improve ad placement and reduce interruptions

In-app purchases

2 purchases

Simple Reaction Time Test

One-time2
  • Reset Average Time$0.99
  • Remove Ads$2.99
4 purchases

Reaction Speed Reflex Trainer

Subscriptions3
  • Weekly Subscription7 Days trial$0.997 Days
  • Monthly Subscription7 Days trial$4.991 Month
  • Yearly Subscription7 Days trial$9.991 Year
One-time1
  • Remove Ads$1.99

Questions

Is Simple Reaction Time Test free?
Simple Reaction Time Test is free to download, with in-app purchases available.
Is Reaction Speed Reflex Trainer free?
Reaction Speed Reflex Trainer is free to download, with in-app purchases available.
Which has better reviews, Simple Reaction Time Test or Reaction Speed Reflex Trainer?
Reaction Speed Reflex Trainer is rated higher. Simple Reaction Time Test averages 4.0 out of 5 from 10 ratings, while Reaction Speed Reflex Trainer averages 4.6 from 1.5K ratings.
Do Simple Reaction Time Test or Reaction Speed Reflex Trainer have ads?
Reaction Speed Reflex Trainer shows ads; Simple Reaction Time Test does not.
Which is updated more often, Simple Reaction Time Test or Reaction Speed Reflex Trainer?
Simple Reaction Time Test ships an update every 10 months, and Reaction Speed Reflex Trainer every 3 months. Most recently, Simple Reaction Time Test was updated on November 2, 2026 and Reaction Speed Reflex Trainer on November 8, 2026.

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