# PDF Reader vs Com Água

The clearest difference is ads: Com Água at none against PDF Reader's shown. Com Água also leads on iOS requirement (14.0.0 vs 16). PDF Reader's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases and device support 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 6 days, Com Água monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Reader | Com Água |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (79 ratings)](https://appshunter.io/ios/app/pdf-reader-viewer/id6746119431/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Ad-supported | — |
| Size | 116 MB | 50 MB |
| Requires iOS | 16 | **14.0.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [All About Housing LLC](https://appshunter.io/developer/1773925650) | [Icondev Desenvolvimento de Sistemas Ltda](https://appshunter.io/developer/1460687748) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-viewer/id6746119431)

This app provides a privacy-focused way to view, organize, and manage PDF files on your device. It offers tools for merging, splitting, securing documents, and converting images to PDF, all processed locally for enhanced data safety.

**Highlights:** View and organize PDF files, Merge and split PDFs, Secure documents with passwords, Convert images to PDF, Built-in document scanner, Local data processing for privacy

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

**In-app purchases:** none


### Com Água

[App page](https://appshunter.io/ios/app/com-agua/id6754661119)

**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 Com Água free?

Com Água is free to download, with no in-app purchases.

### Do PDF Reader or Com Água have ads?

PDF Reader shows ads; Com Água does not.

### Which is updated more often, PDF Reader or Com Água?

PDF Reader ships an update every 6 days, and Com Água monthly. Most recently, PDF Reader was updated on October 30, 2026 and Com Água on October 25, 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.*