# Zero Chat vs Notebooker AI

The clearest difference is in-app purchases: Notebooker AI at none against Zero Chat's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zero Chat sells 1 in-app purchase, starting at $8.99 per month. Notebooker AI asks for nothing beyond the download.

Zero Chat ships an update every 4 days, Notebooker AI every 2 days. The most recent releases landed on October 2, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Zero Chat | Notebooker AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 72 MB | 30 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Filimonov](https://appshunter.io/developer/1769783383) | [Austin Devs LLC](https://appshunter.io/developer/1518440718) |

## What reviewers say

### Zero Chat

[App page](https://appshunter.io/ios/app/zero-chat-models/id6774957019)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $8.99 | per month |


### Notebooker AI

[App page](https://appshunter.io/ios/app/notebooker-ai/id6780671228)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero Chat free?

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

### Is Notebooker AI free?

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

### Do Zero Chat or Notebooker AI have ads?

Neither Zero Chat nor Notebooker AI shows ads.

### Which is updated more often, Zero Chat or Notebooker AI?

Zero Chat ships an update every 4 days, and Notebooker AI every 2 days. Most recently, Zero Chat was updated on October 2, 2026 and Notebooker AI on September 24, 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.*