# Papyrus vs AI PDF Reader

The clearest difference is update cadence: Papyrus at every 4 days 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 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Papyrus sells 2 in-app purchases, starting at $0.99 per month and AI PDF Reader sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Papyrus ships an update every 4 days, AI PDF Reader every 2 weeks. The most recent releases landed on August 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Papyrus | AI PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 11 MB | 226 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [waraku kobayashi](https://appshunter.io/developer/1892218372) | [Software Tailor (HK) Limited](https://appshunter.io/developer/6776648111) |

## What reviewers say

### Papyrus

[App page](https://appshunter.io/ios/app/papyrus-notes-pdf/id6779149036)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Papyrus Sync Monthly | $0.99 | per month |
| Papyrus Sync Yearly | $9.99 | per year |


### 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 Papyrus free?

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

### Is AI PDF Reader free?

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

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

Neither Papyrus nor AI PDF Reader shows ads.

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

Papyrus ships an update every 4 days, and AI PDF Reader every 2 weeks. Most recently, Papyrus was updated on August 28, 2026 and AI PDF Reader on September 10, 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.*