# Post Box Express vs PDF Editor, Scanner & Convert

The clearest difference is in-app purchases: Post Box Express at none against PDF Editor, Scanner & Convert's 3. Post Box Express also leads on ads (none vs shown). PDF Editor, Scanner & Convert's advantage is update cadence (every 2 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Editor, Scanner & Convert sells 3 in-app purchases, starting at $7.99 per 7 days. Post Box Express asks for nothing beyond the download.

Post Box Express ships an update every 3 months, PDF Editor, Scanner & Convert every 2 weeks. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Post Box Express | PDF Editor, Scanner & Convert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 109 MB | 43 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Folloc Technologies Private Limited](https://appshunter.io/developer/1592817145) | [Ngoc Nguyen](https://appshunter.io/developer/1649497326) |

## What reviewers say

### Post Box Express

[App page](https://appshunter.io/ios/app/post-box-express/id6479634429)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Editor, Scanner & Convert

[App page](https://appshunter.io/ios/app/pdf-editor-scanner-and-convert/id6742133295)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $7.99 | per 7 days |
| Monthly Premium | $14.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Post Box Express free?

Post Box Express is free to download, with no in-app purchases.

### Is PDF Editor, Scanner & Convert free?

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

### Do Post Box Express or PDF Editor, Scanner & Convert have ads?

PDF Editor, Scanner & Convert shows ads; Post Box Express does not.

### Which is updated more often, Post Box Express or PDF Editor, Scanner & Convert?

Post Box Express ships an update every 3 months, and PDF Editor, Scanner & Convert every 2 weeks. Most recently, Post Box Express was updated on September 17, 2026 and PDF Editor, Scanner & Convert on September 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.*