# AI Debate Master vs Attenai

The clearest difference is in-app purchases: Attenai at none against AI Debate Master's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Debate Master sells 3 in-app purchases, starting at $1.99 per month. Attenai asks for nothing beyond the download.

## The numbers

| Metric | AI Debate Master | Attenai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 6 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [海威 张](https://appshunter.io/developer/1808689507) | [Daisaku Seto](https://appshunter.io/developer/1889853807) |

## What reviewers say

### AI Debate Master

[App page](https://appshunter.io/ios/app/ai-debate-master/id6744669316)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基础版订阅 | $1.99 | per month |
| 标准版订阅 | $4.99 | per month |
| 高级版订阅 | $14.99 | per month |


### Attenai

[App page](https://appshunter.io/ios/app/attenai/id6762042775)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Debate Master free?

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

### Is Attenai free?

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

### Do AI Debate Master or Attenai have ads?

Neither AI Debate Master nor Attenai 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.*