# 航行之翼 vs Zettelkasten

The clearest difference is in-app purchases: 航行之翼 at none against Zettelkasten's 2. 航行之翼 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Zettelkasten sells 2 in-app purchases, starting at $9.99 per 7 days. 航行之翼 asks for nothing beyond the download.

航行之翼 ships an update every 4 weeks, Zettelkasten monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 航行之翼 | Zettelkasten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/zettelkasten-notes-graph/id6771281468/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 206 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siji Hang'an (Hangzhou) Safety Technology Co., Ltd.](https://appshunter.io/developer/1578251459) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### 航行之翼

[App page](https://appshunter.io/ios/app/id6738978364)

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

**In-app purchases:** none


### Zettelkasten

[App page](https://appshunter.io/ios/app/zettelkasten-notes-graph/id6771281468)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is 航行之翼 free?

航行之翼 is free to download, with no in-app purchases.

### Is Zettelkasten free?

Zettelkasten is free to download, with in-app purchases available.

### Do 航行之翼 or Zettelkasten have ads?

Neither 航行之翼 nor Zettelkasten shows ads.

### Which is updated more often, 航行之翼 or Zettelkasten?

航行之翼 ships an update every 4 weeks, and Zettelkasten monthly. Most recently, 航行之翼 was updated on October 25, 2026 and Zettelkasten on October 28, 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.*