# bb vs Zettelkueche AI

The clearest difference is in-app purchases: bb at none against Zettelkueche AI's 2. bb also leads on iOS requirement (16.4 vs 18.0). Zettelkueche AI's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Zettelkueche AI sells 2 in-app purchases, starting at $0.99 per month. bb asks for nothing beyond the download.

bb ships an update every 2 months, Zettelkueche AI daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | bb | Zettelkueche AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 50 MB | 7 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bartug Bolukemini](https://appshunter.io/developer/1569306935) | [Thomas Reinke](https://appshunter.io/developer/1887068138) |

## What reviewers say

### bb

[App page](https://appshunter.io/ios/app/bb-mix/id1569306933)

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

**In-app purchases:** none


### Zettelkueche AI

[App page](https://appshunter.io/ios/app/zettelkueche-ai/id6763764154)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zettelkueche monthly | $0.99 | per month |
| Premium Yearly | $7.99 | per year |


## Frequently asked questions

### Is bb free?

bb is free to download, with no in-app purchases.

### Is Zettelkueche AI free?

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

### Do bb or Zettelkueche AI have ads?

Neither bb nor Zettelkueche AI shows ads.

### Which is updated more often, bb or Zettelkueche AI?

bb ships an update every 2 months, and Zettelkueche AI daily. Most recently, bb was updated on November 3, 2026 and Zettelkueche AI on October 31, 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.*