# ZettelkastenNote vs MindStruct

The clearest difference is price: ZettelkastenNote at Free against MindStruct's $79.99. ZettelkastenNote also leads on iOS requirement (17.0 vs 26.0). MindStruct's advantage is update cadence (every 2 days vs every 6 days). On ads, in-app purchases and device support there is nothing between them.

ZettelkastenNote is free to download; MindStruct costs $79.99 up front. ZettelkastenNote sells 1 one-off in-app purchase and MindStruct sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ZettelkastenNote ships an update every 6 days, MindStruct every 2 days. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ZettelkastenNote | MindStruct |
| --- | --- | --- |
| Price | **Free** | $79.99 |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/zettelkastennote/id6747979814/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 10 MB | 21 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shoetsu Kawasato](https://appshunter.io/developer/1329390999) | [SpacePlant Corporation](https://appshunter.io/developer/1352867323) |

## What reviewers say

### ZettelkastenNote

[App page](https://appshunter.io/ios/app/zettelkastennote/id6747979814)

Capture and connect ideas as small cards to build a growing web of knowledge. This app offers a distraction-free interface for organizing thoughts and creating structured insights. Your data remains private, stored locally or optionally in iCloud, with no tracking or ads.

**Highlights:** Capture ideas as atomic cards, Connect related ideas, Drag & drop reordering, Local-first data design, Optional iCloud sync, Offline functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZettelkastenNote Pro | $0.49 | one-time |


### MindStruct

[App page](https://appshunter.io/ios/app/mindstruct-ai-assistant/id6761636919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindStruct Pro Monthly | $7.99 | per month |
| MindStruct Pro Yearly | $59.99 | per year |
| MindStruct Lifetime | $179.99 | one-time |


## Frequently asked questions

### Is ZettelkastenNote free?

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

### Is MindStruct free?

MindStruct costs $79.99, and also offers in-app purchases.

### Do ZettelkastenNote or MindStruct have ads?

Neither ZettelkastenNote nor MindStruct shows ads.

### Which is updated more often, ZettelkastenNote or MindStruct?

ZettelkastenNote ships an update every 6 days, and MindStruct every 2 days. Most recently, ZettelkastenNote was updated on October 11, 2026 and MindStruct on October 4, 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.*