# Neurosist vs Zettelkasten

The clearest difference is price: Zettelkasten at Free against Neurosist's $1.99. Neurosist's advantage is in-app purchases (none vs 2) and update cadence (every 10 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

Zettelkasten is free to download; Neurosist costs $1.99 up front. Zettelkasten sells 2 in-app purchases, starting at $9.99 per 7 days. Neurosist asks for nothing beyond the download.

Neurosist ships an update every 10 days, Zettelkasten monthly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Neurosist | Zettelkasten |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/neurosist/id6748656809/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Paid | — |
| Size | 60 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [William Wilcosky](https://appshunter.io/developer/1826851107) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Neurosist

[App page](https://appshunter.io/ios/app/neurosist/id6748656809)

This personal memory companion helps you retain important details with a simple, private interface. Organize information with tags, set reminders, and even access brain-exercising games and a meditation timer. It offers a straightforward way to manage personal notes and facts without tracking or ads.

**Highlights:** Daily memory review, Tag-based organization, Customizable reminders, Matching game, Meditation timer, Export to CSV/PDF, Siri integration

**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 Neurosist free?

Neurosist costs $1.99, with no in-app purchases.

### Is Zettelkasten free?

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

### Do Neurosist or Zettelkasten have ads?

Neither Neurosist nor Zettelkasten shows ads.

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

Neurosist ships an update every 10 days, and Zettelkasten monthly. Most recently, Neurosist was updated on October 2, 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.*