# PDF Reader vs Slide AI

The clearest difference is in-app purchases: Slide AI at none against PDF Reader's 3. Slide AI also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. PDF Reader sells 3 in-app purchases, starting at $4.99 per month. Slide AI asks for nothing beyond the download.

PDF Reader ships an update every 2 months, Slide AI every 5 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PDF Reader | Slide AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 87 MB | 22 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pawel Lukasz](https://appshunter.io/developer/1846816545) | [Nexwit ltd](https://appshunter.io/developer/6776712274) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-prodoc-plus/id6754163428)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProScan+ \| Monthly Subscription | $4.99 | per month |
| ProScan+ Subscription every 3mo | $9.99 | per 3 months |
| ProScan+ Subscription Yearly | $49.99 | per year |


### Slide AI

[App page](https://appshunter.io/ios/app/slide-ai-pptx-and-pdf-maker/id6776712272)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Slide AI free?

Slide AI is free to download, with no in-app purchases.

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

PDF Reader shows ads; Slide AI does not.

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

PDF Reader ships an update every 2 months, and Slide AI every 5 days. Most recently, PDF Reader was updated on October 14, 2026 and Slide AI on October 8, 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.*