# Reaction Speed Reflex Trainer vs Simple Reaction Timer

The clearest difference is in-app purchases: Simple Reaction Timer at none against Reaction Speed Reflex Trainer's 4. Simple Reaction Timer also leads on update cadence (daily vs every 3 months). On price, ads, device support and iOS requirement 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. Simple Reaction Timer asks for nothing beyond the download.

Reaction Speed Reflex Trainer ships an update every 3 months, Simple Reaction Timer daily. The most recent releases landed on September 28, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Reaction Speed Reflex Trainer | Simple Reaction Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.4K ratings)](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 53.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 10 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vicki Partridge](https://appshunter.io/developer/1114861973) | [ANDREW MARTYN BANNER](https://appshunter.io/developer/1785719851) |

## 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


### Simple Reaction Timer

[App page](https://appshunter.io/ios/app/simple-reaction-timer/id6752825952)

**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 Simple Reaction Timer free?

Simple Reaction Timer is free to download, with no in-app purchases.

### Do Reaction Speed Reflex Trainer or Simple Reaction Timer have ads?

Both Reaction Speed Reflex Trainer and Simple Reaction Timer show ads.

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

Reaction Speed Reflex Trainer ships an update every 3 months, and Simple Reaction Timer daily. Most recently, Reaction Speed Reflex Trainer was updated on September 28, 2026 and Simple Reaction Timer on September 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.*