Comparison

Reaction Speed Reflex Trainer vs Simple Reaction Timer

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

Head to head
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/

About

Simple Reaction Timer

Features
Read full description

How fast are your reactions? Reaction Timer Free puts your reflexes to the test. Watch the start lights… when they go out, tap immediately. Chase a new personal best, share times with friends, and tweak the light colours to your style. Why you’ll love it • True reaction test — lights count down, then it’s all you. • Fastest time tracker — your best is saved on device. • “New Fastest Time” banner when you beat your PB. • Share in one tap — WhatsApp, Messenger, and more. • Custom colours — pick any light colour you like. • Simple & clean — built for quick plays.

Screenshots

Reaction Speed Reflex Trainer4 screens
Simple Reaction Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Reaction Timer at none against Reaction Speed Reflex Trainer's 4. Simple Reaction Timer also leads on update cadence (daily vs every 3 months). On price, ads, 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. Reaction Speed Reflex Trainer sells 4 in-app purchases, starting at $0.99 per 7 days. Simple Reaction Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Reaction Speed Reflex Trainer ships an update every 3 months, Simple Reaction Timer daily. The most recent releases landed on September 28, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
Reaction Speed Reflex Trainer versus Simple Reaction Timer: the parameters behind the verdict, then further details
ParameterReaction Speed Reflex TrainerSimple Reaction Timer
PriceFreeFree
Rating4.6 (1.4K ratings) — better—
Positive reviews53.4% of reviews—
Number of ratings1.4K — better—
Update frequencyEvery 3 monthsDaily — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size27 MB10 MB
Age rating4+4+
DeveloperVicki PartridgeANDREW MARTYN BANNER

Bugs and 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

Simple Reaction Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

Simple Reaction Timer

No in-app purchases

Questions

Is Reaction Speed Reflex Trainer free?
Reaction Speed Reflex Trainer is free to download, with in-app purchases available.
Is Simple Reaction Timer free?
Simple Reaction Timer is free to download, with no in-app purchases.
Do Reaction Speed Reflex Trainer or Simple Reaction Timer have ads?
Both Reaction Speed Reflex Trainer and Simple Reaction Timer show ads.
Which is updated more often, Reaction Speed Reflex Trainer or Simple Reaction Timer?
Reaction Speed Reflex Trainer ships an update every 3 months, and Simple Reaction Timer daily. Most recently, Reaction Speed Reflex Trainer was updated on September 28, 2026 and Simple Reaction Timer on September 8, 2026.

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