# Zettelkasten vs Habit Streak Tracker

The clearest difference is update cadence: Habit Streak Tracker at every 9 days against Zettelkasten's monthly. Habit Streak Tracker also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zettelkasten sells 2 in-app purchases, starting at $9.99 per 7 days and Habit Streak Tracker sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Zettelkasten ships an update monthly, Habit Streak Tracker every 9 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Zettelkasten | Habit Streak Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/zettelkasten-notes-graph/id6771281468/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 6 MB | 41 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Muhammad Fahad Azam](https://appshunter.io/developer/6773830181) |

## What reviewers say

### Zettelkasten

[App page](https://appshunter.io/ios/app/zettelkasten-notes-graph/id6771281468)

This app creates a visual knowledge graph from your notes, allowing you to see and explore connections between ideas. It uses wiki-style linking and automatic backlinks to help you rediscover relationships and build a personal knowledge base without relying on traditional folders. Enjoy a private, ad-free experience where all your data stays on your device.

**Highlights:** Visual knowledge graph, Automatic backlinks, Wiki-style linking, Interactive orbit graph, Full-text search, Markdown export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Yearly | $49.99 | per year |


### Habit Streak Tracker

[App page](https://appshunter.io/ios/app/habit-streak-tracker-aurabit/id6773830179)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aurabit Pro Weekly | $0.99 | per 7 days |
| AuraBit Pro Monthly | $2.99 | per month |
| AuraBit Pro Yearly | $17.99 | per year |
| AuraBit Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Zettelkasten free?

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

### Is Habit Streak Tracker free?

Habit Streak Tracker is free to download, with in-app purchases available.

### Do Zettelkasten or Habit Streak Tracker have ads?

Neither Zettelkasten nor Habit Streak Tracker shows ads.

### Which is updated more often, Zettelkasten or Habit Streak Tracker?

Zettelkasten ships an update monthly, and Habit Streak Tracker every 9 days. Most recently, Zettelkasten was updated on October 31, 2026 and Habit Streak Tracker 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.*