# Mountain's Diary vs Sunkids 加州天地幼稚園

The clearest difference is price: Sunkids 加州天地幼稚園 at Free against Mountain's Diary's $0.99. Sunkids 加州天地幼稚園 also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Sunkids 加州天地幼稚園 is free to download; Mountain's Diary costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mountain's Diary ships an update every 2 months, Sunkids 加州天地幼稚園 every 4 weeks. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Mountain's Diary | Sunkids 加州天地幼稚園 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Paid | — |
| Size | 104 MB | 96 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yang Zhou](https://appshunter.io/developer/1740236218) | [BULL.B TECHNOLOGY LIMITED](https://appshunter.io/developer/996574459) |

## What reviewers say

### Mountain's Diary

[App page](https://appshunter.io/ios/app/mountains-diary/id878123330)

A children's book series that introduces nature through anthropomorphic mountains and rivers. Explore and learn about natural phenomena with fun, friendly characters.

**Highlights:** Interactive nature exploration, Anthropomorphic mountain characters, Educational content for children, Seasonal themes (spring, fall), Focus on natural phenomena

**Features:** macOS Compatibility

**In-app purchases:** none


### Sunkids 加州天地幼稚園

[App page](https://appshunter.io/ios/app/sunkids/id1473365060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mountain's Diary free?

Mountain's Diary costs $0.99, with no in-app purchases.

### Is Sunkids 加州天地幼稚園 free?

Sunkids 加州天地幼稚園 is free to download, with no in-app purchases.

### Do Mountain's Diary or Sunkids 加州天地幼稚園 have ads?

Neither Mountain's Diary nor Sunkids 加州天地幼稚園 shows ads.

### Which is updated more often, Mountain's Diary or Sunkids 加州天地幼稚園?

Mountain's Diary ships an update every 2 months, and Sunkids 加州天地幼稚園 every 4 weeks. Most recently, Mountain's Diary was updated on September 18, 2026 and Sunkids 加州天地幼稚園 on September 17, 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.*