# 墨墨星计划 vs 九九学堂

The clearest difference is price: 墨墨星计划 at Free against 九九学堂's $0.99. 九九学堂's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.0). On ads and device support there is nothing between them.

墨墨星计划 is free to download; 九九学堂 costs $0.99 up front. 墨墨星计划 sells 3 in-app purchases, starting at $1.99 per month. 九九学堂 asks for nothing beyond the download.

## The numbers

| Metric | 墨墨星计划 | 九九学堂 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id6746649828/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Freemium | — |
| Size | 15 MB | 5 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭杰 叶](https://appshunter.io/developer/1799458800) | [凌云 何](https://appshunter.io/developer/1879789850) |

## What reviewers say

### 墨墨星计划

[App page](https://appshunter.io/ios/app/id6746649828)

This app transforms daily routines into a game for children aged 5-12. It uses gamified tasks, focus modes, and a reward system to encourage self-discipline and good habits. Parents can track progress and set rewards, fostering positive parent-child interaction.

**Highlights:** Gamified task management, Immersive focus mode with white noise, Visualized growth records and analytics, 积分奖励 (Star points) for desired rewards, iCloud synchronization, Privacy-focused development

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $1.99 | per month |
| 包年会员 | $4.99 | per year |
| 终身会员 | $9.99 | one-time |


### 九九学堂

[App page](https://appshunter.io/ios/app/id6797739862)

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

**In-app purchases:** none


## Frequently asked questions

### Is 墨墨星计划 free?

墨墨星计划 is free to download, with in-app purchases available.

### Is 九九学堂 free?

九九学堂 costs $0.99, with no in-app purchases.

### Do 墨墨星计划 or 九九学堂 have ads?

Neither 墨墨星计划 nor 九九学堂 shows ads.

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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.*