# AI PDF Reader vs Folio

The clearest difference is update cadence: Folio at daily against AI PDF Reader's every 2 weeks. AI PDF Reader's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. AI PDF Reader sells 4 in-app purchases, starting at $0.99 per month and Folio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI PDF Reader ships an update every 2 weeks, Folio daily. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AI PDF Reader | Folio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 226 MB | 4 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Software Tailor (HK) Limited](https://appshunter.io/developer/6776648111) | [ARUBAI ARAIN](https://appshunter.io/developer/6788973201) |

## What reviewers say

### 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 |


### Folio

[App page](https://appshunter.io/ios/app/folio-meeting-notes/id6788973199)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio Full Access | $5.99 | one-time |


## Frequently asked questions

### Is AI PDF Reader free?

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

### Is Folio free?

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

### Do AI PDF Reader or Folio have ads?

Neither AI PDF Reader nor Folio shows ads.

### Which is updated more often, AI PDF Reader or Folio?

AI PDF Reader ships an update every 2 weeks, and Folio daily. Most recently, AI PDF Reader was updated on September 29, 2026 and Folio on September 25, 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.*