# SlipBox vs Zettelkasten

The clearest difference is price: Zettelkasten at Free against SlipBox's $0.99. SlipBox's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Zettelkasten is free to download; SlipBox costs $0.99 up front. Zettelkasten sells 2 in-app purchases, starting at $9.99 per 7 days. SlipBox asks for nothing beyond the download.

SlipBox ships an update every 3 weeks, Zettelkasten monthly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SlipBox | Zettelkasten |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/slipbox-zettelkasten-notes/id6743237863/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | — |
| Size | 8 MB | 6 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ozlem AKBUDAK](https://appshunter.io/developer/1736380201) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### SlipBox

[App page](https://appshunter.io/ios/app/slipbox-zettelkasten-notes/id6743237863)

This app helps you build a structured web of knowledge using the Zettelkasten method. Its minimalist design and continuous scrolling interface encourage active recall and pattern recognition for deep cognitive work. Your notes are stored locally for privacy.

**Highlights:** Continuous scroll interface, Zettelkasten method implementation, Intentional tagging system, Minimalist design, Privacy-first, local storage

**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 SlipBox free?

SlipBox costs $0.99, with no in-app purchases.

### Is Zettelkasten free?

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

### Do SlipBox or Zettelkasten have ads?

Neither SlipBox nor Zettelkasten shows ads.

### Which is updated more often, SlipBox or Zettelkasten?

SlipBox ships an update every 3 weeks, and Zettelkasten monthly. Most recently, SlipBox was updated on October 7, 2026 and Zettelkasten on October 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.*