# Thinking AI Chat vs Zero Chat

The clearest difference is in-app purchases: Thinking AI Chat at none against Zero Chat's 1. Thinking AI Chat also leads on iOS requirement (12.4 vs 16.4). On price, 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. Thinking AI Chat asks for nothing beyond the download.

## The numbers

| Metric | Thinking AI Chat | Zero Chat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 15 MB | 72 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Thinking Technology Limited](https://appshunter.io/developer/1531650633) | [Oleg Filimonov](https://appshunter.io/developer/1769783383) |

## What reviewers say

### Thinking AI Chat

[App page](https://appshunter.io/ios/app/thinking-ai-chat/id6461346985)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Thinking AI Chat free?

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

### Is Zero Chat free?

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

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

Neither Thinking AI Chat nor Zero Chat shows ads.

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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.*