# Reaction Time Test vs Protocol For Business

The clearest difference is update cadence: Protocol For Business at every 8 days against Reaction Time Test's every 2 months. Reaction Time Test's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Reaction Time Test ships an update every 2 months, Protocol For Business every 8 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Reaction Time Test | Protocol For Business |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reaction-time-test-reflex/id6765722492/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 26 MB | 31 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Gunawan Santoso](https://appshunter.io/developer/1843786072) | [Sawyer Blankenship](https://appshunter.io/developer/1858099080) |

## What reviewers say

### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-reflex/id6765722492)

Measure and improve your reaction speed, tap speed, memory, and coordination with a variety of engaging tests. Track your progress over time with detailed statistics and see how you compare to others. This app offers a fun way to train your brain daily.

**Highlights:** 8 reaction and brain training tests, Track personal bests and trends, Percentile ranking against other users, Consistency and accuracy scores, Independent skill tracking, Daily streaks for habit building, Shareable result cards

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

**In-app purchases:** none


### Protocol For Business

[App page](https://appshunter.io/ios/app/protocol-for-business/id6786510429)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Time Test free?

Reaction Time Test is free to download, with no in-app purchases.

### Is Protocol For Business free?

Protocol For Business is free to download, with no in-app purchases.

### Do Reaction Time Test or Protocol For Business have ads?

Neither Reaction Time Test nor Protocol For Business shows ads.

### Which is updated more often, Reaction Time Test or Protocol For Business?

Reaction Time Test ships an update every 2 months, and Protocol For Business every 8 days. Most recently, Reaction Time Test was updated on October 17, 2026 and Protocol For Business on October 15, 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.*