# DevilBrain vs Pro Reaction Test

The clearest difference is review sentiment: DevilBrain at 62% against Pro Reaction Test's 0%. DevilBrain also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. DevilBrain sells 7 in-app purchases, starting at $3.99 per 7 days and Pro Reaction Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DevilBrain ships an update every 9 days, Pro Reaction Test every 3 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | DevilBrain | Pro Reaction Test |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **61.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 70 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [青青 吴](https://appshunter.io/developer/1594811700) | [肖龙 刘](https://appshunter.io/developer/1871961899) |

## What reviewers say

### DevilBrain

[App page](https://appshunter.io/ios/app/devilbrain-brain-training/id6759943746)

This app offers cognitive conditioning and brain sharpening exercises to improve focus and memory. It provides personalized training plans and assessments to help users enhance their mental capabilities and combat phone addiction.

**Highlights:** Brain Age Assessment, Customized Training Plans, Digital Memory Challenges, Schulte Focus Training, Personal Adaptive Training, Cognitive Conditioning

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $4.99 | per month |
| Monthly | $4.99 | per month |
| Monthly | $6.99 | per month |
| Yearly | $12.99 | per year |
| 3 Years | $39.99 | one-time |
| Permanent VIP | $39.99 | one-time |


### Pro Reaction Test

[App page](https://appshunter.io/ios/app/pro-reaction-test/id6760889996)

Test your reflexes and memory with daily challenges and classic games. Compete with friends using challenge codes for offline play. Track your progress and unlock new features with a one-time purchase.

**Highlights:** Daily reflex and memory challenges, Offline shared challenges with codes, Six classic reaction tests, Two-player reaction duels, Progress tracking and ability charts, Lifetime Pro upgrade for unlimited access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $0.99 | one-time |


## Frequently asked questions

### Is DevilBrain free?

DevilBrain is free to download, with in-app purchases available.

### Is Pro Reaction Test free?

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

### Do DevilBrain or Pro Reaction Test have ads?

Neither DevilBrain nor Pro Reaction Test shows ads.

### Which is updated more often, DevilBrain or Pro Reaction Test?

DevilBrain ships an update every 9 days, and Pro Reaction Test every 3 weeks. Most recently, DevilBrain was updated on October 8, 2026 and Pro Reaction Test on October 11, 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.*