Reaction Speed Reflex Trainer vs Stop The Timer
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Reaction time measurement
- Multiple game modes
- Global leaderboards
- Progress tracking
- Focus and reflex training
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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/
Stop The Timer
Test your reflexes and timing in this simple yet addictive game. Tap to stop a timer at precise intervals and see how accurate you are. Compete with others globally through Game Center.
- Precise stopping intervals
- Accuracy percentage stats
- Global leaderboards
- Simple tap-to-stop gameplay
- Game Center integration
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Tap to stop the timer at: 02:00 04:00 06:00 08:00 10:00 How close can you get? See your accuracy percentage with Stats! Compete with the worlds best with Game Center!
Screenshots
Verdict
The clearest difference is review sentiment: Stop The Timer at 100% against Reaction Speed Reflex Trainer's 53%. Stop The Timer also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.6). Reaction Speed Reflex Trainer's advantage is ratings volume (1.4K vs 5). On price, ads 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. Reaction Speed Reflex Trainer sells 4 in-app purchases, starting at $0.99 per 7 days. Stop The Timer asks for nothing beyond the download.
Stop The Timer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Reaction Speed Reflex Trainer has 1.4K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 53% of Reaction Speed Reflex Trainer's written reviews are positive against 100% of Stop The Timer's.
Reaction Speed Reflex Trainer ships an update every 3 months, Stop The Timer every 2 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.
| Parameter | Reaction Speed Reflex Trainer | Stop The Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.4K ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 53.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.4K — better | 5 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Vicki Partridge | Jonathan Meikle |
Customer experience
Reaction Speed Reflex Trainer
Stop The Timer
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
Stop The Timer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Reaction Speed Reflex Trainer
- Weekly Subscription7 Days trial$0.997 Days
- Monthly Subscription7 Days trial$4.991 Month
- Yearly Subscription7 Days trial$9.991 Year
- Remove Ads$1.99
Stop The Timer
No in-app purchases
Questions
Is Reaction Speed Reflex Trainer free?
Is Stop The Timer free?
Which has better reviews, Reaction Speed Reflex Trainer or Stop The Timer?
Do Reaction Speed Reflex Trainer or Stop The Timer have ads?
Which is updated more often, Reaction Speed Reflex Trainer or Stop The Timer?
Other comparisons
