# PDF Reader vs Universal Reader Pro

The clearest difference is in-app purchases: PDF Reader at none against Universal Reader Pro's 1. PDF Reader also leads on iOS requirement (14.0 vs 18.0). Universal Reader Pro's advantage is ads (none vs shown) and update cadence (every 5 days vs every 112 months). On price and device support there is nothing between them.

Both are free to download. Universal Reader Pro sells 1 one-off in-app purchase. PDF Reader asks for nothing beyond the download.

PDF Reader ships an update every 112 months, Universal Reader Pro every 5 days. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PDF Reader | Universal Reader Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 112 months | **Every 5 days** |
| Size | 10 MB | 5 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [勇 陈](https://appshunter.io/developer/933173342) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-simple/id1084659776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Universal Reader Pro

[App page](https://appshunter.io/ios/app/universal-reader-pro/id6807626833)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Universal Reader Pro | $9.99 | one-time |


## Frequently asked questions

### Is PDF Reader free?

PDF Reader is free to download, with no in-app purchases.

### Is Universal Reader Pro free?

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

### Do PDF Reader or Universal Reader Pro have ads?

PDF Reader shows ads; Universal Reader Pro does not.

### Which is updated more often, PDF Reader or Universal Reader Pro?

PDF Reader ships an update every 112 months, and Universal Reader Pro every 5 days. Most recently, PDF Reader was updated on October 4, 2026 and Universal Reader Pro on October 11, 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.*