# Grid Notes App vs AI PDF Reader

The clearest difference is in-app purchases: Grid Notes App at none against AI PDF Reader's 4. AI PDF Reader's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. AI PDF Reader sells 4 in-app purchases, starting at $0.99 per month. Grid Notes App asks for nothing beyond the download.

## The numbers

| Metric | Grid Notes App | AI PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 25 MB | 226 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Jimmy Nordstrom](https://appshunter.io/developer/1890250777) | [Software Tailor (HK) Limited](https://appshunter.io/developer/6776648111) |

## What reviewers say

### Grid Notes App

[App page](https://appshunter.io/ios/app/grid-notes-app/id6762288132)

**In-app purchases:** none


### AI PDF Reader

[App page](https://appshunter.io/ios/app/ai-pdf-reader-on-device/id6779994987)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Personal - Monthly | $0.99 | per month |
| Pro Business - Monthly | $4.99 | per month |
| Pro Personal - Yearly | $9.99 | per year |
| Pro Business - Yearly | $49.99 | per year |


## Frequently asked questions

### Is Grid Notes App free?

Grid Notes App is free to download, with no in-app purchases.

### Is AI PDF Reader free?

AI PDF Reader 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.*