# 方格 vs DevilBrain

The clearest difference is update cadence: DevilBrain at every 9 days against 方格's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

方格 ships an update every 2 months, DevilBrain every 9 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 方格 | DevilBrain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 61.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 70 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [柯柯 刘](https://appshunter.io/developer/1080194009) | [青青 吴](https://appshunter.io/developer/1594811700) |

## What reviewers say

### 方格

[App page](https://appshunter.io/ios/app/id1569110894)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级权益卡 | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is 方格 free?

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

### Is DevilBrain free?

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

### Do 方格 or DevilBrain have ads?

Neither 方格 nor DevilBrain shows ads.

### Which is updated more often, 方格 or DevilBrain?

方格 ships an update every 2 months, and DevilBrain every 9 days. Most recently, 方格 was updated on September 21, 2026 and DevilBrain on September 22, 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.*