# 兰海说成长 vs BrainArk

The clearest difference is iOS requirement: 兰海说成长 at 12.4 against BrainArk's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 兰海说成长 sells 11 one-off in-app purchases and BrainArk sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

兰海说成长 ships an update every 5 weeks, BrainArk every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 兰海说成长 | BrainArk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/brainark/id6744668572/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 55 MB | 1.2 GB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上濒成长教育科技(北京)有限责任公司](https://appshunter.io/developer/1280831140) | [Meowsprout Therapeutics Corporation](https://appshunter.io/developer/1808808993) |

## What reviewers say

### 兰海说成长

[App page](https://appshunter.io/ios/app/id1280831171)

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 兰海说成长 6 成长币 | $0.99 | one-time |
| 兰海说成长 12 成长币 | $1.99 | one-time |
| 兰海说成长 68 成长币 | $9.99 | one-time |
| 兰海说成长 138 成长币 | $20.99 | one-time |
| 兰海说成长 App 208元咨询 | $30.99 | one-time |
| 兰海说成长 388 成长币 | $59.99 | one-time |
| 兰海说成长一年课程会员 | $59.99 | one-time |
| 兰海说成长APP 1年课程会员 | $109.99 | one-time |
| 兰海说成长 998 成长币 | $149.99 | one-time |
| 兰海说成长APP 1年高级会员 | $179.99 | one-time |
| 兰海说成长 2998 成长币 | $399.99 | one-time |


### BrainArk

[App page](https://appshunter.io/ios/app/brainark/id6744668572)

This app uses Neuro-AI to provide personalized cognitive training for children, focusing on memory, attention, and executive functions. It offers assessments, adaptive challenges, and progress reports to support continuous development in a fun, game-like environment.

**Highlights:** Neuro-AI personalized training, Cognitive assessment and profiling, Memory and attention skill development, Executive function and cognitive flexibility training, Evidence-based feedback and progress reports, Multi-child household support, Cross-device synchronization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo Learner Plan | $99.99 | one-time |
| Parent-Child Duo Plan | $159.99 | one-time |
| Friends & Family Trio Plan | $249.99 | one-time |
| Ultimate Family Plan | $319.99 | one-time |


## Frequently asked questions

### Is 兰海说成长 free?

兰海说成长 is free to download, with in-app purchases available.

### Is BrainArk free?

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

### Do 兰海说成长 or BrainArk have ads?

Neither 兰海说成长 nor BrainArk shows ads.

### Which is updated more often, 兰海说成长 or BrainArk?

兰海说成长 ships an update every 5 weeks, and BrainArk every 3 weeks. Most recently, 兰海说成长 was updated on October 29, 2026 and BrainArk on October 30, 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.*