# Omniprezent vs Zettelkasten

The clearest difference is in-app purchases: Omniprezent at none against Zettelkasten's 2. Omniprezent also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price 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. Omniprezent asks for nothing beyond the download.

## The numbers

| Metric | Omniprezent | Zettelkasten |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 9 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [grplife, Inc.](https://appshunter.io/developer/1063805588) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Omniprezent

[App page](https://appshunter.io/ios/app/omniprezent/id6737587184)

**Features:** macOS Compatibility

**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 Omniprezent free?

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

### Is Zettelkasten free?

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

### Do Omniprezent or Zettelkasten have ads?

Neither Omniprezent nor Zettelkasten shows ads.

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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.*