# ZettelkastenNote vs iFlow note

The clearest difference is update cadence: ZettelkastenNote at every 5 days against iFlow note's every 2 weeks. ZettelkastenNote also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ZettelkastenNote sells 1 one-off in-app purchase and iFlow note sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ZettelkastenNote ships an update every 5 days, iFlow note every 2 weeks. The most recent releases landed on September 9, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | ZettelkastenNote | iFlow note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/zettelkastennote/id6747979814/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 9 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shoetsu Kawasato](https://appshunter.io/developer/1329390999) | [斌 胡](https://appshunter.io/developer/1852165846) |

## 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 |


### iFlow note

[App page](https://appshunter.io/ios/app/iflow-note/id6755179514)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly Plan | $0.99 | per month |
| PRO Yearly Plan | $1.99 | per year |
| PRO Lifetime Plan | $6.99 | one-time |


## Frequently asked questions

### Is ZettelkastenNote free?

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

### Is iFlow note free?

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

### Do ZettelkastenNote or iFlow note have ads?

Neither ZettelkastenNote nor iFlow note shows ads.

### Which is updated more often, ZettelkastenNote or iFlow note?

ZettelkastenNote ships an update every 5 days, and iFlow note every 2 weeks. Most recently, ZettelkastenNote was updated on September 9, 2026 and iFlow note on August 25, 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.*