# Fast Reflex vs Reflex Reaction Trainer

The clearest difference is review sentiment: Fast Reflex at 100% against Reflex Reaction Trainer's 0%. Fast Reflex also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). Reflex Reaction Trainer's advantage is price (Free vs $0.99) and in-app purchases (none vs 1). On device support there is nothing between them.

Reflex Reaction Trainer is free to download; Fast Reflex costs $0.99 up front. Fast Reflex sells 1 one-off in-app purchase. Reflex Reaction Trainer asks for nothing beyond the download.

Fast Reflex ships an update every 2 weeks, Reflex Reaction Trainer every 2 months. The most recent releases landed on November 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fast Reflex | Reflex Reaction Trainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (47 ratings)](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | **Ad-supported** |
| Size | 76 MB | 22 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Radoslaw Kubas](https://appshunter.io/developer/1643306872) | [Omer Karakas](https://appshunter.io/developer/1645550751) |

## What reviewers say

### Fast Reflex

[App page](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814)

This game challenges your reaction speed and hand-eye coordination with precise testing down to a millionth of a second. Compete globally on leaderboards and explore unique tests to boost focus and dexterity.

**Highlights:** Precise reflex testing, Global leaderboards, Telepathy test, Enhances focus and dexterity, Simple interface, Quick mental exercises

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Reflex Reaction Trainer

[App page](https://appshunter.io/ios/app/reflex-reaction-trainer/id6443419167)

Engage in a variety of quick, addictive mini-games designed to sharpen your reflexes, reaction speed, memory, and focus. Test your limits with challenges that are easy to learn but difficult to master, perfect for short bursts of brain training.

**Highlights:** Improve reflexes and reaction speed, Enhance memory and focus, Multiple brain-training modes, Fast and satisfying gameplay, Simple, clean design, Perfect for short sessions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fast Reflex free?

Fast Reflex costs $0.99, and also offers in-app purchases.

### Is Reflex Reaction Trainer free?

Reflex Reaction Trainer is free to download, with no in-app purchases.

### Do Fast Reflex or Reflex Reaction Trainer have ads?

Reflex Reaction Trainer shows ads; Fast Reflex does not.

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

Fast Reflex ships an update every 2 weeks, and Reflex Reaction Trainer every 2 months. Most recently, Fast Reflex was updated on November 2, 2026 and Reflex Reaction Trainer on October 7, 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.*