# PDF Reader vs SimpPDF Reader

The clearest difference is iOS requirement: PDF Reader at 13.0 against SimpPDF Reader's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Reader ships an update every 2 days, SimpPDF Reader daily. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PDF Reader | SimpPDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 35 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Inam Khan](https://appshunter.io/developer/1841306941) | [Wei He](https://appshunter.io/developer/6783615797) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-ai-pdf-tools/id6753916727)

**Features:** macOS Compatibility

**In-app purchases:** none


### SimpPDF Reader

[App page](https://appshunter.io/ios/app/simppdf-reader/id6783615795)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is SimpPDF Reader free?

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

### Do PDF Reader or SimpPDF Reader have ads?

Neither PDF Reader nor SimpPDF Reader shows ads.

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

PDF Reader ships an update every 2 days, and SimpPDF Reader daily. Most recently, PDF Reader was updated on October 2, 2026 and SimpPDF Reader on October 6, 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.*