# Reaction Speed Reflex Trainer vs Stop The Timer

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.

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.

## The numbers

| Metric | Reaction Speed Reflex Trainer | Stop The Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.4K ratings)](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/stop-the-timer/id1495030578/reviews)** |
| Number of ratings | **1.4K** | 5 |
| Positive reviews | 53.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 27 MB | 14 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vicki Partridge](https://appshunter.io/developer/1114861973) | [Jonathan Meikle](https://appshunter.io/developer/1477087762) |

## What reviewers say

### Reaction Speed Reflex Trainer

[App page](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Helps improve reaction time
- 👍 Simple and straightforward
- 👍 Clean interface
- 👍 Useful for athletes and gamers

**What reviewers complain about**

- 🐛 Inaccurate timing and reaction time tracking
- 🔍 Excessive ads that interfere with gameplay
- 💰 Paid subscription required for full features
- 🐛 Crashes and bugs after purchasing ad-free version

**Reported bugs**

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

**Requested features**

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


### Stop The Timer

[App page](https://appshunter.io/ios/app/stop-the-timer/id1495030578)

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.

**Highlights:** Precise stopping intervals, Accuracy percentage stats, Global leaderboards, Simple tap-to-stop gameplay, Game Center integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Speed Reflex Trainer free?

Reaction Speed Reflex Trainer is free to download, with in-app purchases available.

### Is Stop The Timer free?

Stop The Timer is free to download, with no in-app purchases.

### Which has better reviews, Reaction Speed Reflex Trainer or Stop The Timer?

Stop The Timer is rated higher. Reaction Speed Reflex Trainer averages 4.6 out of 5 from 1.4K ratings, while Stop The Timer averages 5.0 from 5 ratings.

### Do Reaction Speed Reflex Trainer or Stop The Timer have ads?

Both Reaction Speed Reflex Trainer and Stop The Timer show ads.

### Which is updated more often, Reaction Speed Reflex Trainer or Stop The Timer?

Reaction Speed Reflex Trainer ships an update every 3 months, and Stop The Timer every 2 months. Most recently, Reaction Speed Reflex Trainer was updated on October 17, 2026 and Stop The Timer on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*