# Hook AI vs Gatchi

The clearest difference is in-app purchases: Gatchi at none against Hook AI's 1. Gatchi also leads on ads (none vs shown). Hook AI's advantage is update cadence (every 2 days vs every 3 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hook AI sells 1 in-app purchase, starting at $2.99 per month. Gatchi asks for nothing beyond the download.

Hook AI ships an update every 2 days, Gatchi every 3 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Hook AI | Gatchi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 36 MB | 65 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ceyhan Fazlıoglu](https://appshunter.io/developer/1886533826) | [Changhee Jung](https://appshunter.io/developer/6799048636) |

## What reviewers say

### Hook AI

[App page](https://appshunter.io/ios/app/hook-ai-viral-hook-generator/id6761077913)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hook AI Premium | $2.99 | per month |


### Gatchi

[App page](https://appshunter.io/ios/app/gatchi/id6799048634)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hook AI free?

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

### Is Gatchi free?

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

### Do Hook AI or Gatchi have ads?

Hook AI shows ads; Gatchi does not.

### Which is updated more often, Hook AI or Gatchi?

Hook AI ships an update every 2 days, and Gatchi every 3 days. Most recently, Hook AI was updated on October 28, 2026 and Gatchi on October 29, 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.*