# Doc Reader vs AI PDF Reader

The clearest difference is in-app purchases: Doc Reader at none against AI PDF Reader's 4. AI PDF Reader's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 18.0). On price, update cadence and ads there is nothing between them.

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

Doc Reader ships an update weekly, AI PDF Reader every 2 weeks. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Doc Reader | AI PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 651 MB | 226 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [ETHAN SCOTT TROKIE](https://appshunter.io/developer/1854901410) | [Software Tailor (HK) Limited](https://appshunter.io/developer/6776648111) |

## What reviewers say

### Doc Reader

[App page](https://appshunter.io/ios/app/doc-reader-text-to-speech/id6759199219)

**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 Doc Reader free?

Doc Reader 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.

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

Neither Doc Reader nor AI PDF Reader shows ads.

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

Doc Reader ships an update weekly, and AI PDF Reader every 2 weeks. Most recently, Doc Reader was updated on October 5, 2026 and AI PDF Reader on September 29, 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.*