# Fast Reflex vs Stop the Box!!

The clearest difference is price: Stop the Box!! at Free against Fast Reflex's $0.99. Stop the Box!! also leads on rating (4.9 vs 4.5). Fast Reflex's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). On review sentiment, in-app purchases and device support there is nothing between them.

Stop the Box!! is free to download; Fast Reflex costs $0.99 up front. Fast Reflex sells 1 one-off in-app purchase and Stop the Box!! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stop the Box!! holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 47 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Fast Reflex ships an update every 2 weeks, Stop the Box!! every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fast Reflex | Stop the Box!! |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (47 ratings)](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/stop-the-box/id6473290037/reviews)** |
| Number of ratings | **47** | 15 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 76 MB | 29 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Radoslaw Kubas](https://appshunter.io/developer/1643306872) | [Kevin Galarza](https://appshunter.io/developer/1021639965) |

## 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 |


### Stop the Box!!

[App page](https://appshunter.io/ios/app/stop-the-box/id6473290037)

A challenging game designed to test your focus and reflexes. It offers simple gameplay that is difficult to master, providing an engaging experience for players seeking a mental workout.

**Highlights:** Focus testing, Reflex challenges, Easy to learn gameplay, Difficult to master, Engaging experience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Fast Reflex free?

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

### Is Stop the Box!! free?

Stop the Box!! is free to download, with in-app purchases available.

### Which has better reviews, Fast Reflex or Stop the Box!!?

Stop the Box!! is rated higher. Fast Reflex averages 4.5 out of 5 from 47 ratings, while Stop the Box!! averages 4.9 from 15 ratings.

### Do Fast Reflex or Stop the Box!! have ads?

Stop the Box!! shows ads; Fast Reflex does not.

### Which is updated more often, Fast Reflex or Stop the Box!!?

Fast Reflex ships an update every 2 weeks, and Stop the Box!! every 5 weeks. Most recently, Fast Reflex was updated on October 25, 2026 and Stop the Box!! on October 24, 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.*