# Scan2Sides vs SCAtoPDF

The clearest difference is in-app purchases: SCAtoPDF at none against Scan2Sides's 1. SCAtoPDF also leads on update cadence (every 3 months vs every 5 months). Scan2Sides's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Scan2Sides sells 1 one-off in-app purchase. SCAtoPDF asks for nothing beyond the download.

Scan2Sides ships an update every 5 months, SCAtoPDF every 3 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Scan2Sides | SCAtoPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 3 MB | 5 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [永杰 杨](https://appshunter.io/developer/1799458676) | [MASAHIRO SAITO](https://appshunter.io/developer/1861763299) |

## What reviewers say

### Scan2Sides

[App page](https://appshunter.io/ios/app/scan2sides/id6743626230)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | one-time |


### SCAtoPDF

[App page](https://appshunter.io/ios/app/scatopdf/id6759510153)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scan2Sides free?

Scan2Sides is free to download, with in-app purchases available.

### Is SCAtoPDF free?

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

### Do Scan2Sides or SCAtoPDF have ads?

SCAtoPDF shows ads; Scan2Sides does not.

### Which is updated more often, Scan2Sides or SCAtoPDF?

Scan2Sides ships an update every 5 months, and SCAtoPDF every 3 months. Most recently, Scan2Sides was updated on October 6, 2026 and SCAtoPDF on September 28, 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.*