# 道芬智学 vs 卓尔坞

The clearest difference is iOS requirement: 道芬智学 at 9.0 against 卓尔坞's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

道芬智学 ships an update every 11 days, 卓尔坞 every 2 weeks. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 道芬智学 | 卓尔坞 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Size | 60 MB | 74 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dolphin Tech Inc.](https://appshunter.io/developer/671552750) | [Jinan JollyWood Training School Co., Ltd.](https://appshunter.io/developer/1831884334) |

## What reviewers say

### 道芬智学

[App page](https://appshunter.io/ios/app/id6445890519)

**Features:** macOS Compatibility

**In-app purchases:** none


### 卓尔坞

[App page](https://appshunter.io/ios/app/id6749788883)

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

**In-app purchases:** none


## Frequently asked questions

### Is 道芬智学 free?

道芬智学 is free to download, with no in-app purchases.

### Is 卓尔坞 free?

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

### Do 道芬智学 or 卓尔坞 have ads?

Neither 道芬智学 nor 卓尔坞 shows ads.

### Which is updated more often, 道芬智学 or 卓尔坞?

道芬智学 ships an update every 11 days, and 卓尔坞 every 2 weeks. Most recently, 道芬智学 was updated on October 5, 2026 and 卓尔坞 on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*