# 查课啦 vs Sapling Isle

The clearest difference is update cadence: 查课啦 at every 4 days against Sapling Isle's fortnightly. Sapling Isle's advantage is iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

查课啦 ships an update every 4 days, Sapling Isle fortnightly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 查课啦 | Sapling Isle |
| --- | --- | --- |
| Price | — | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 25 MB | 40 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [怀诚 魏](https://appshunter.io/developer/1859498127) | [大鹏 张](https://appshunter.io/developer/937718061) |

## What reviewers say

### 查课啦

[App page](https://appshunter.io/ios/app/id6756248801)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Sapling Isle

[App page](https://appshunter.io/ios/app/sapling-isle-physics-lab/id6792211746)

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

**In-app purchases:** none


## Frequently asked questions

### Is 查课啦 free?

Pricing for 查课啦 is not currently listed on the App Store.

### Is Sapling Isle free?

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

### Do 查课啦 or Sapling Isle have ads?

Neither 查课啦 nor Sapling Isle shows ads.

### Which is updated more often, 查课啦 or Sapling Isle?

查课啦 ships an update every 4 days, and Sapling Isle fortnightly. Most recently, 查课啦 was updated on October 23, 2026 and Sapling Isle on October 25, 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.*