# Easy PDF Tools vs Zettelkasten

The clearest difference is update cadence: Easy PDF Tools at every 8 days against Zettelkasten's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Easy PDF Tools sells 4 in-app purchases, starting at $2.99 per 7 days and Zettelkasten sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Easy PDF Tools ships an update every 8 days, Zettelkasten monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Easy PDF Tools | 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Easy PDF Tools

[App page](https://appshunter.io/ios/app/easy-pdf-tools/id6759289472)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime | $19.99 | one-time |


### 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 Easy PDF Tools free?

Easy PDF Tools is free to download, with in-app purchases available.

### Is Zettelkasten free?

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

### Do Easy PDF Tools or Zettelkasten have ads?

Neither Easy PDF Tools nor Zettelkasten shows ads.

### Which is updated more often, Easy PDF Tools or Zettelkasten?

Easy PDF Tools ships an update every 8 days, and Zettelkasten monthly. Most recently, Easy PDF Tools was updated on October 28, 2026 and Zettelkasten on October 28, 2026.

---

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