# Characters.AI vs AIDuo

The clearest difference is device support: Characters.AI at 3 against AIDuo's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Characters.AI sells 10 in-app purchases, starting at $9.99 per month and AIDuo sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Characters.AI | AIDuo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 154 MB | 56 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [博 王](https://appshunter.io/developer/1016478367) | [建霞 周](https://appshunter.io/developer/1698454299) |

## What reviewers say

### Characters.AI

[App page](https://appshunter.io/ios/app/charactersai/id6451352622)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 1 Quarter | $14.99 | per 3 months |
| 1 Year | $29.99 | per year |
| 600 Coins | $0.99 | one-time |
| 1800 Coins | $1.99 | one-time |
| 9800 Coins | $9.99 | one-time |
| 13800 Coins | $14.99 | one-time |
| 18800 Coins | $17.99 | one-time |
| 24800 Coins | $24.99 | one-time |
| Permanent | $44.99 | one-time |


### AIDuo

[App page](https://appshunter.io/ios/app/aiduo-ai-assistant-chatbot/id6469622082)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $2.99 | per month |
| 包年会员 | $19.99 | per year |


## Frequently asked questions

### Is Characters.AI free?

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

### Is AIDuo free?

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

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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.*