# Simple Reaction Time Test vs Reaction Speed Reflex Trainer

The clearest difference is rating: Reaction Speed Reflex Trainer at 4.6 against Simple Reaction Time Test's 4.0. Reaction Speed Reflex Trainer also leads on review sentiment (53% vs 17%) and ratings volume (1.5K vs 10). Simple Reaction Time Test's advantage is ads (none vs shown) and iOS requirement (10.0 vs 16.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Simple Reaction Time Test sells 2 one-off in-app purchases and Reaction Speed Reflex Trainer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Reaction Speed Reflex Trainer holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Reaction Speed Reflex Trainer has 1.5K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 17% of Simple Reaction Time Test's written reviews are positive against 53% of Reaction Speed Reflex Trainer's.

Simple Reaction Time Test ships an update every 10 months, Reaction Speed Reflex Trainer every 3 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Simple Reaction Time Test | Reaction Speed Reflex Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (10 ratings)](https://appshunter.io/ios/app/simple-reaction-time-test/id1233756013/reviews) | **[4.6 (1.5K ratings)](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980/reviews)** |
| Number of ratings | 10 | **1.5K** |
| Positive reviews | 16.7% of reviews | **53.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 27 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brock Carpani](https://appshunter.io/developer/1233756012) | [Vicki Partridge](https://appshunter.io/developer/1114861973) |

## What reviewers say

### Simple Reaction Time Test

[App page](https://appshunter.io/ios/app/simple-reaction-time-test/id1233756013)

Test your reflexes with a simple tap-based game. The screen flashes colors before a green prompt appears, and you must tap as quickly as possible to record your reaction time. Share your best scores with friends.

**Highlights:** Tap-based reaction test, Color-changing prompts, Millisecond timer, Share scores with friends, Reset average time option, Ad removal option

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reset Average Time | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### 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 Simple Reaction Time Test free?

Simple Reaction Time Test is free to download, with in-app purchases available.

### Is Reaction Speed Reflex Trainer free?

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

### Which has better reviews, Simple Reaction Time Test or Reaction Speed Reflex Trainer?

Reaction Speed Reflex Trainer is rated higher. Simple Reaction Time Test averages 4.0 out of 5 from 10 ratings, while Reaction Speed Reflex Trainer averages 4.6 from 1.5K ratings.

### Do Simple Reaction Time Test or Reaction Speed Reflex Trainer have ads?

Reaction Speed Reflex Trainer shows ads; Simple Reaction Time Test does not.

### Which is updated more often, Simple Reaction Time Test or Reaction Speed Reflex Trainer?

Simple Reaction Time Test ships an update every 10 months, and Reaction Speed Reflex Trainer every 3 months. Most recently, Simple Reaction Time Test was updated on November 2, 2026 and Reaction Speed Reflex Trainer on November 8, 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.*