# Do4SA vs PDF Reader & Editor

The clearest difference is in-app purchases: Do4SA at none against PDF Reader & Editor's 4. Do4SA also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). PDF Reader & Editor's advantage is update cadence (every 10 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. PDF Reader & Editor sells 4 in-app purchases, starting at $4.99 per 7 days. Do4SA asks for nothing beyond the download.

Do4SA ships an update every 8 months, PDF Reader & Editor every 10 days. The most recent releases landed on September 22, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Do4SA | PDF Reader & Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (167 ratings)](https://appshunter.io/ios/app/pdf-reader-and-editor-gopdf/id1606524186/reviews)** |
| Number of ratings | — | **167** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Code Group CC](https://appshunter.io/developer/1146480826) | [David Krejci](https://appshunter.io/developer/1737377675) |

## What reviewers say

### Do4SA

[App page](https://appshunter.io/ios/app/do4sa/id1379000854)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Reader & Editor

[App page](https://appshunter.io/ios/app/pdf-reader-and-editor-gopdf/id1606524186)

Easily manage, view, and read all PDF documents on your smartphone or tablet. This versatile app offers a simple interface for quick access to files, with features like zoom, dark mode, and easy sharing. It's designed for efficient document handling anytime, anywhere.

**Highlights:** View and read all PDF files, Search and display all PDFs, Zoom in and out, Dark mode for comfortable reading, Share PDF files easily, Works offline, Print PDF files

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PDF Go | $4.99 | per 7 days |
| Yearly PDF Go | $29.99 | per year |
| Remove Ads | $17.99 | one-time |
| One-time purchase | $99.99 | one-time |


## Frequently asked questions

### Is Do4SA free?

Do4SA is free to download, with no in-app purchases.

### Is PDF Reader & Editor free?

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

### Do Do4SA or PDF Reader & Editor have ads?

PDF Reader & Editor shows ads; Do4SA does not.

### Which is updated more often, Do4SA or PDF Reader & Editor?

Do4SA ships an update every 8 months, and PDF Reader & Editor every 10 days. Most recently, Do4SA was updated on September 22, 2026 and PDF Reader & Editor on October 13, 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.*