# AI Keyboard & Reply vs ChatPDF

The clearest difference is iOS requirement: ChatPDF at 15.6 against AI Keyboard & Reply's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Keyboard & Reply sells 2 in-app purchases, starting at $4.99 per month and ChatPDF sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI Keyboard & Reply | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 8 MB | 47 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hossam Hamouda](https://appshunter.io/developer/732402156) | [Ikhwan Noorsetyo](https://appshunter.io/developer/1739847271) |

## What reviewers say

### AI Keyboard & Reply

[App page](https://appshunter.io/ios/app/ai-keyboard-and-reply-quiettype/id6756201548)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $14.99 | per year |


### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-ai-document-assistant/id6758316696)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Yearly Subscription | $34.99 | per year |


## Frequently asked questions

### Is AI Keyboard & Reply free?

AI Keyboard & Reply is free to download, with in-app purchases available.

### Is ChatPDF free?

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

### Do AI Keyboard & Reply or ChatPDF have ads?

Neither AI Keyboard & Reply nor ChatPDF 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.*