# AI PDF Reader vs PDF AI

The clearest difference is update cadence: PDF AI at every 3 days against AI PDF Reader's every 16 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI PDF Reader sells 2 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.

AI PDF Reader ships an update every 16 months, PDF AI every 3 days. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | AI PDF Reader | PDF AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 3 days** |
| Size | 61 MB | 142 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HK TECHNOSOFT](https://appshunter.io/developer/1779078064) | [Saad Ameen](https://appshunter.io/developer/1680660990) |

## What reviewers say

### AI PDF Reader

[App page](https://appshunter.io/ios/app/ai-pdf-reader-pdf-speaker/id6746432323)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reader One Week | $6.99 | per 7 days |
| Reader One Year | $44.99 | 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 AI PDF Reader free?

AI PDF Reader 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 AI PDF Reader or PDF AI have ads?

Both AI PDF Reader and PDF AI show ads.

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

AI PDF Reader ships an update every 16 months, and PDF AI every 3 days. Most recently, AI PDF Reader was updated on October 19, 2026 and PDF AI on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*