# ReactionTimeChecker vs Reaction Speed Reflex Trainer

The clearest difference is rating: Reaction Speed Reflex Trainer at 4.6 against ReactionTimeChecker's 1.0. Reaction Speed Reflex Trainer also leads on ratings volume (1.4K vs 1) and review sentiment (53% vs 33%). ReactionTimeChecker's advantage is in-app purchases (none vs 4). On price, update cadence, 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. ReactionTimeChecker asks for nothing beyond the download.

Reaction Speed Reflex Trainer holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Reaction Speed Reflex Trainer has 1.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of ReactionTimeChecker's written reviews are positive against 53% of Reaction Speed Reflex Trainer's.

ReactionTimeChecker ships an update every 7 months, Reaction Speed Reflex Trainer every 3 months. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ReactionTimeChecker | Reaction Speed Reflex Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/reactiontimechecker/id537191082/reviews) | **[4.6 (1.4K ratings)](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980/reviews)** |
| Number of ratings | 1 | **1.4K** |
| Positive reviews | 33.3% of reviews | **53.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 27 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NSC, K.K.](https://appshunter.io/developer/501890400) | [Vicki Partridge](https://appshunter.io/developer/1114861973) |

## What reviewers say

### ReactionTimeChecker

[App page](https://appshunter.io/ios/app/reactiontimechecker/id537191082)

Test your reflexes by tapping a color-changing button as quickly as possible. Compete with others through online leaderboards and receive an evaluation of your performance.

**Highlights:** Reaction time testing, Color-changing button gameplay, Score and evaluation display, Online ranking system, Automatic result upload

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ReactionTimeChecker free?

ReactionTimeChecker is free to download, with no in-app purchases.

### Is Reaction Speed Reflex Trainer free?

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

### Which has better reviews, ReactionTimeChecker or Reaction Speed Reflex Trainer?

Reaction Speed Reflex Trainer is rated higher. ReactionTimeChecker averages 1.0 out of 5 from 1 ratings, while Reaction Speed Reflex Trainer averages 4.6 from 1.4K ratings.

### Do ReactionTimeChecker or Reaction Speed Reflex Trainer have ads?

Both ReactionTimeChecker and Reaction Speed Reflex Trainer show ads.

### Which is updated more often, ReactionTimeChecker or Reaction Speed Reflex Trainer?

ReactionTimeChecker ships an update every 7 months, and Reaction Speed Reflex Trainer every 3 months. Most recently, ReactionTimeChecker was updated on October 23, 2026 and Reaction Speed Reflex Trainer on October 30, 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.*