# 道芬智学 vs 成杰经方

The clearest difference is update cadence: 成杰经方 at every 3 days against 道芬智学's every 11 days. 道芬智学's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support 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, 成杰经方 every 3 days. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 道芬智学 | 成杰经方 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Size | 60 MB | 21 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Dolphin Tech Inc.](https://appshunter.io/developer/671552750) | [成杰 黄](https://appshunter.io/developer/6786498742) |

## What reviewers say

### 道芬智学

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 成杰经方

[App page](https://appshunter.io/ios/app/id6786606108)

**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 成杰经方 free?

成杰经方 is free to download, with no in-app purchases.

### Do 道芬智学 or 成杰经方 have ads?

Neither 道芬智学 nor 成杰经方 shows ads.

### Which is updated more often, 道芬智学 or 成杰经方?

道芬智学 ships an update every 11 days, and 成杰经方 every 3 days. Most recently, 道芬智学 was updated on October 5, 2026 and 成杰经方 on October 6, 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.*