# SlipBox vs NoteFlw

The clearest difference is price: NoteFlw at Free against SlipBox's $0.99. NoteFlw also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (15.1 vs 18.2). SlipBox's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

NoteFlw is free to download; SlipBox costs $0.99 up front. NoteFlw sells 1 in-app purchase, starting at $2.99 per month. SlipBox asks for nothing beyond the download.

SlipBox ships an update every 3 weeks, NoteFlw every 5 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SlipBox | NoteFlw |
| --- | --- | --- |
| 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 | **Every 5 days** |
| Monetization | Paid | — |
| Size | 8 MB | 43 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Ozlem AKBUDAK](https://appshunter.io/developer/1736380201) | [Mariyan Velichkov](https://appshunter.io/developer/1846426846) |

## 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


### NoteFlw

[App page](https://appshunter.io/ios/app/noteflw/id6754044947)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access | $2.99 | per month |


## Frequently asked questions

### Is SlipBox free?

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

### Is NoteFlw free?

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

### Do SlipBox or NoteFlw have ads?

Neither SlipBox nor NoteFlw shows ads.

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

SlipBox ships an update every 3 weeks, and NoteFlw every 5 days. Most recently, SlipBox was updated on October 24, 2026 and NoteFlw on October 8, 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.*