# AI PDF Reader vs PDF Studio

The clearest difference is iOS requirement: AI PDF Reader at 14.0 against PDF Studio's 17.0. On price, update cadence, 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 PDF Studio sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

AI PDF Reader ships an update every 2 weeks, PDF Studio every 9 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI PDF Reader | PDF Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 226 MB | 18 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [Software Tailor (HK) Limited](https://appshunter.io/developer/6776648111) | [Birkan Aksoy](https://appshunter.io/developer/1626910993) |

## 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 |


### PDF Studio

[App page](https://appshunter.io/ios/app/pdf-studio-reader-and-tools/id6781038759)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Studio Pro | $9.99 | per year |
| PDF Studio Pro (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is AI PDF Reader free?

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

### Is PDF Studio free?

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

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

Neither AI PDF Reader nor PDF Studio shows ads.

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

AI PDF Reader ships an update every 2 weeks, and PDF Studio every 9 days. Most recently, AI PDF Reader was updated on October 25, 2026 and PDF Studio on November 5, 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.*