Comparison

Reaction TestMe vs Fast Reflex

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

Head to head
About

Reaction TestMe

Test and train your reaction speed with various game modes designed to challenge your reflexes. Improve your response time through daily practice and see how quickly you can react to visual cues.

Highlights
  • Test reaction speed
  • Train reaction speed
  • Reflex game mode
  • Lights Out game mode
  • Daily training
Features
Read full description

Did you know by the age of 24, our reaction time starts to decrease. With daily training we can combat this issue. So how fast are your reactions? With Reaction TestMe you can test and train your reaction speed! ==Games Modes== • Reflex - A full screen color reaction tester • Lights Out - A formula start light sequence reaction tester

About

Fast Reflex

This game challenges your reaction speed and hand-eye coordination with precise testing down to a millionth of a second. Compete globally on leaderboards and explore unique tests to boost focus and dexterity.

Highlights
  • Precise reflex testing
  • Global leaderboards
  • Telepathy test
  • Enhances focus and dexterity
  • Simple interface
  • Quick mental exercises
Features
Read full description

Experience reflex testing at its finest, with accuracy fine-tuned to an incredible 0.000001 second. Dive into a captivating game that tests your reaction speed and lets you compete with players from around the globe. This is more than just a game; it's a comprehensive tool to enhance your reflexes and hand-eye coordination. Your objective is simple: tap the red box as quickly as you can and rise up the global leaderboard. But there's more. Test your adaptability with shifts in color and sound. As an added feature, explore your mind's untapped potential with our unique Telepathy Test. Discover how quickly your thoughts can guide your fingers into action. Whether you're killing time or waiting for the bus, this app offers a stimulating mental exercise suitable for all ages. It's designed to help you practice your memory, focus, and dexterity. If you're keen on improving your reaction time, this app is the perfect tool to enhance your perceptual skills. Take the challenge today. Key Features: • Global and Cross-Platform Leaderboard • In-depth Reflex and Telepathy Tests • Simple and Intuitive Interface • Perfect for Quick Mental Exercises Boost your brain's speed today, and if you enjoy the game, please rate us.

Screenshots

Reaction TestMe4 screens
Fast Reflex4 screens

Verdict

The call

The clearest difference is price: Reaction TestMe at Free against Fast Reflex's $0.99. Reaction TestMe also leads on in-app purchases (none vs 1). Fast Reflex's advantage is rating (4.5 vs 2.3) and ads (none vs shown). On review sentiment 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

Reaction TestMe is free to download; Fast Reflex costs $0.99 up front. Fast Reflex sells 1 one-off in-app purchase. Reaction TestMe asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fast Reflex holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Fast Reflex has 47 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Reaction TestMe ships an update every 38 months, Fast Reflex every 2 weeks. Both last shipped on November 2, 2026.

Scorecard8 real differences · 2 level
Reaction TestMe versus Fast Reflex: the parameters behind the verdict, then further details
ParameterReaction TestMeFast Reflex
PriceFree — better$0.99
Rating2.3 (6 ratings)4.5 (47 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings647 — better
Update frequencyEvery 38 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size91 MB76 MB
Age rating9+4+
DeveloperJosh GriggsRadoslaw Kubas

Customer experience

Reaction TestMe

All ratings6 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fast Reflex

All ratings47 ratings
Positive85.1%
Neutral6.4%
Negative8.5%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Reaction TestMe

No in-app purchases

1 purchases

Fast Reflex

One-time1
  • Remove Ads$0.99

Questions

Is Reaction TestMe free?
Reaction TestMe is free to download, with no in-app purchases.
Is Fast Reflex free?
Fast Reflex costs $0.99, and also offers in-app purchases.
Which has better reviews, Reaction TestMe or Fast Reflex?
Fast Reflex is rated higher. Reaction TestMe averages 2.3 out of 5 from 6 ratings, while Fast Reflex averages 4.5 from 47 ratings.
Do Reaction TestMe or Fast Reflex have ads?
Reaction TestMe shows ads; Fast Reflex does not.
Which is updated more often, Reaction TestMe or Fast Reflex?
Reaction TestMe ships an update every 38 months, and Fast Reflex every 2 weeks. Most recently, Reaction TestMe was updated on November 2, 2026 and Fast Reflex on November 2, 2026.

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