# ScanToSend vs PDF Reader

The clearest difference is ads: ScanToSend at none against PDF Reader's shown. ScanToSend also leads on update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

ScanToSend ships an update every 4 days, PDF Reader every 2 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ScanToSend | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 27 MB | 13 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bestrongr AB](https://appshunter.io/developer/1509400675) | [Cuong Kieu Van](https://appshunter.io/developer/1816110113) |

## What reviewers say

### ScanToSend

[App page](https://appshunter.io/ios/app/scantosend/id6747114559)

**In-app purchases:** none


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-convert-and-edit/id6752774269)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScanToSend free?

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

### Is PDF Reader free?

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

### Do ScanToSend or PDF Reader have ads?

PDF Reader shows ads; ScanToSend does not.

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

ScanToSend ships an update every 4 days, and PDF Reader every 2 months. Most recently, ScanToSend was updated on October 4, 2026 and PDF Reader on October 10, 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.*