# NudgeDuck vs 易行

The clearest difference is update cadence: NudgeDuck at every 6 days against 易行's every 3 weeks. 易行's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, 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.

NudgeDuck ships an update every 6 days, 易行 every 3 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | NudgeDuck | 易行 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 57 MB | 21 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [鼎 陈](https://appshunter.io/developer/6775880644) | [洋贝 赵](https://appshunter.io/developer/1878243877) |

## What reviewers say

### NudgeDuck

[App page](https://appshunter.io/ios/app/nudgeduck/id6776111860)

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

**In-app purchases:** none


### 易行

[App page](https://appshunter.io/ios/app/id6794582182)

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

**In-app purchases:** none


## Frequently asked questions

### Is NudgeDuck free?

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

### Is 易行 free?

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

### Do NudgeDuck or 易行 have ads?

Neither NudgeDuck nor 易行 shows ads.

### Which is updated more often, NudgeDuck or 易行?

NudgeDuck ships an update every 6 days, and 易行 every 3 weeks. Most recently, NudgeDuck was updated on September 8, 2026 and 易行 on September 10, 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.*