Reaction Time Test vs Simple Reaction Timer
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reaction Time Test
Test and train your reflexes with this app. Simply tap the screen when a red square appears to measure your reaction speed and improve your concentration. Daily practice can enhance your reflexes, making it ideal for gamers.
- Reaction speed testing
- Reflex training
- Concentration improvement
- Rank display
- Daily practice recommended
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An app for reaction speed, reflex testing and training Touch the screen when a red square appears Displays rank according to reaction speed Practicing every day may also be a training of reflexes It can also be used as a training for concentration. Recommended for those who are playing games such as FPS
Simple Reaction Timer
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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
Verdict
The clearest difference is update cadence: Simple Reaction Timer at daily against Reaction Time Test's every 3 months. Reaction Time Test's advantage is iOS requirement (15.6 vs 17.6). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Reaction Time Test ships an update every 3 months, Simple Reaction Timer daily. The most recent releases landed on September 23, 2026 and October 10, 2026 respectively.
| Parameter | Reaction Time Test | Simple Reaction Timer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 3 months | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 13 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryouhei Azuma | ANDREW MARTYN BANNER |
In-app purchases
Reaction Time Test
No in-app purchases
Simple Reaction Timer
No in-app purchases
Questions
Is Reaction Time Test free?
Is Simple Reaction Timer free?
Do Reaction Time Test or Simple Reaction Timer have ads?
Which is updated more often, Reaction Time Test or Simple Reaction Timer?
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