# 倍速阅读 vs DevilBrain

The clearest difference is update cadence: DevilBrain at every 9 days against 倍速阅读's every 2 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 倍速阅读 sells 22 one-off in-app purchases 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.

倍速阅读 ships an update every 2 months, DevilBrain every 9 days. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 倍速阅读 | DevilBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/app/id1538908266/reviews)** | — |
| Number of ratings | **1** | — |
| 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 | Free with in-app purchases |
| Size | 201 MB | 70 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京大象智酷科技有限公司](https://appshunter.io/developer/1318572866) | [青青 吴](https://appshunter.io/developer/1594811700) |

## What reviewers say

### 倍速阅读

[App page](https://appshunter.io/ios/app/app/id1538908266)

Enhance your reading speed and comprehension with this app. It offers personalized training plans and engaging games to improve your ability to quickly extract information and build meaning from texts. Ideal for students and professionals seeking to boost their learning and work efficiency.

**Highlights:** Personalized reading improvement plans, Gamified reading exercises, Real-world reading technique practice, Real-time training data tracking, Improved reading speed and memory, Enhanced focus and comprehension

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

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3天高能速记特训营 | $0.99 | one-time |
| 购买后可升级为永久会员 | $3.99 | one-time |
| 月度会员（1个月） | $5.99 | one-time |
| 未来之光 | $18.00 | one-time |
| 优惠30元年会员 | $19.99 | one-time |
| 优惠10元年会员 | $22.99 | one-time |
| 购买后可获得一年会员 | $24.99 | one-time |
| 优惠30元永久会员 | $24.99 | one-time |
| 168永久会员礼品卡 | $24.99 | one-time |
| 168元永久会员礼品卡 | $24.99 | one-time |
| 永久版VIP-学生专属 | $25.99 | one-time |
| 购买后可获得永久会员 | $29.99 | one-time |
| 「永久会员」 | $29.99 | one-time |
| 优惠10元永久会员 | $29.99 | one-time |
| 198永久会员礼品卡 | $29.99 | one-time |
| 198元永久会员礼品卡 | $29.99 | one-time |
| 218元永久会员 | $31.99 | one-time |
| 学以致用的高效记忆课 | $39.99 | one-time |
| 学以致用的思维导图课 | $39.99 | one-time |
| 学以致用的高效阅读课 | $39.99 | one-time |
| 优惠10元学霸组合 | $39.99 | one-time |
| 永久会员 | $41.99 | 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 倍速阅读 free?

倍速阅读 is free to download, with in-app purchases available.

### Is DevilBrain free?

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

### Do 倍速阅读 or DevilBrain have ads?

Neither 倍速阅读 nor DevilBrain shows ads.

### Which is updated more often, 倍速阅读 or DevilBrain?

倍速阅读 ships an update every 2 months, and DevilBrain every 9 days. Most recently, 倍速阅读 was updated on September 29, 2026 and DevilBrain on October 8, 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.*