# 心海之夏 vs Mo

The clearest difference is ads: 心海之夏 at none against Mo's shown. Mo's advantage is update cadence (every 3 weeks vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

心海之夏 ships an update every 9 months, Mo every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 心海之夏 | Mo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/mo-learn-ai-with-cards/id6475294942/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 787 MB | 188 MB |
| Requires iOS | **13.0** | 14.7 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Qiuzhi WonderLab Technology Co., Ltd.](https://appshunter.io/developer/1733604127) | [杭州一蓦信息科技有限公司](https://appshunter.io/developer/1721463333) |

## What reviewers say

### 心海之夏

[App page](https://appshunter.io/ios/app/id6447953870)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mo

[App page](https://appshunter.io/ios/app/mo-learn-ai-with-cards/id6475294942)

Explore artificial intelligence and technology through beautifully designed cards that blend surrealist art with engaging explanations. Learn at your own pace with a personalized study plan and track your progress in a unique journey system.

**Highlights:** Lightweight and immersive learning, Visual explanations with text, images, and media, Covers AI, metaverse, big data, and more, Personalized gallery and knowledge collection, Gamified quest system for learning, Customizable study plans and progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is 心海之夏 free?

心海之夏 is free to download, with no in-app purchases.

### Is Mo free?

Mo is free to download, with no in-app purchases.

### Do 心海之夏 or Mo have ads?

Mo shows ads; 心海之夏 does not.

### Which is updated more often, 心海之夏 or Mo?

心海之夏 ships an update every 9 months, and Mo every 3 weeks. Most recently, 心海之夏 was updated on October 20, 2026 and Mo on October 24, 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.*