# Spark Brain Training vs DevilBrain

The clearest difference is update cadence: DevilBrain at every 9 days against Spark Brain Training's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spark Brain Training sells 5 in-app purchases, starting at $29.99 per year 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.

Spark Brain Training ships an update every 3 weeks, DevilBrain every 9 days. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Spark Brain Training | DevilBrain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 61.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 189 MB | 70 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Bit Echo Technology Co., Ltd](https://appshunter.io/developer/1606003705) | [青青 吴](https://appshunter.io/developer/1594811700) |

## What reviewers say

### Spark Brain Training

[App page](https://appshunter.io/ios/app/spark-brain-training/id6748276766)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Membership | $29.99 | per year |
| 1200 Diamonds | $4.99 | one-time |
| 3000 Diamonds | $9.99 | one-time |
| 6500 Diamonds | $19.99 | one-time |
| Lifetime Membership | $39.99 | 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 Spark Brain Training free?

Spark Brain Training is free to download, with in-app purchases available.

### Is DevilBrain free?

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

### Do Spark Brain Training or DevilBrain have ads?

Neither Spark Brain Training nor DevilBrain shows ads.

### Which is updated more often, Spark Brain Training or DevilBrain?

Spark Brain Training ships an update every 3 weeks, and DevilBrain every 9 days. Most recently, Spark Brain Training was updated on September 12, 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.*