# Habitios vs Zettelkasten

The clearest difference is device support: Habitios at 4 against Zettelkasten's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Habitios sells 1 one-off in-app purchase 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.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Habitios | Zettelkasten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/zettelkasten-notes-graph/id6771281468/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 28 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roger Alfred J Hamilton](https://appshunter.io/developer/1893172643) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Habitios

[App page](https://appshunter.io/ios/app/habitios-habit-tracker/id6762161045)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Habitios Premium | $5.99 | 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 Habitios free?

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

### Is Zettelkasten free?

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

### Do Habitios or Zettelkasten have ads?

Neither Habitios nor Zettelkasten shows ads.

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

Habitios ships an update monthly, and Zettelkasten monthly. Most recently, Habitios was updated on October 28, 2026 and Zettelkasten on October 28, 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.*