# Pro PDF Reader & Editor vs PDF AI

The clearest difference is update cadence: PDF AI at every 3 days against Pro PDF Reader & Editor's every 2 months. PDF AI also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Pro PDF Reader & Editor sells 3 in-app purchases, starting at $6.99 per 7 days and PDF AI sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Pro PDF Reader & Editor ships an update every 2 months, PDF AI every 3 days. The most recent releases landed on September 9, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Pro PDF Reader & Editor | PDF AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 47 MB | 142 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Youbutong New Energy Technology](https://appshunter.io/developer/1839270916) | [Saad Ameen](https://appshunter.io/developer/1680660990) |

## What reviewers say

### Pro PDF Reader & Editor

[App page](https://appshunter.io/ios/app/pro-pdf-reader-and-editor/id6752470060)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Membership - Weekly | $6.99 | per 7 days |
| Pro Membership – Monthly | $14.99 | per month |
| Pro Membership – Yearly | $29.99 | per year |


### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-edit-read-and-analyse/id6763019243)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly Subscription | $9.99 | per month |
| Remove Ads Forever | $9.99 | one-time |
| 1500 AI Credits | $9.99 | one-time |
| 2500 AI Credits | $14.99 | one-time |
| 4000 AI Credits | $19.99 | one-time |
| 10000 AI Credits | $29.99 | one-time |


## Frequently asked questions

### Is Pro PDF Reader & Editor free?

Pro PDF Reader & Editor is free to download, with in-app purchases available.

### Is PDF AI free?

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

### Do Pro PDF Reader & Editor or PDF AI have ads?

Both Pro PDF Reader & Editor and PDF AI show ads.

### Which is updated more often, Pro PDF Reader & Editor or PDF AI?

Pro PDF Reader & Editor ships an update every 2 months, and PDF AI every 3 days. Most recently, Pro PDF Reader & Editor was updated on September 9, 2026 and PDF AI on June 6, 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.*