# Scan to PDF vs CS PDF Image Doc Scanner Maker

The clearest difference is in-app purchases: Scan to PDF at none against CS PDF Image Doc Scanner Maker's 4. Scan to PDF also leads on ads (none vs shown). CS PDF Image Doc Scanner Maker's advantage is update cadence (every 3 months vs every 21 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CS PDF Image Doc Scanner Maker sells 4 in-app purchases, starting at $0.99 per month. Scan to PDF asks for nothing beyond the download.

Scan to PDF ships an update every 21 months, CS PDF Image Doc Scanner Maker every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Scan to PDF | CS PDF Image Doc Scanner Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 3 months** |
| Size | 29 MB | 19 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yogesh Rathod](https://appshunter.io/developer/1548316962) | [Hareshbhai Hirpara](https://appshunter.io/developer/1591950287) |

## What reviewers say

### Scan to PDF

[App page](https://appshunter.io/ios/app/scan-to-pdf-pdf-scanner-app/id1614049317)

**Features:** macOS Compatibility

**In-app purchases:** none


### CS PDF Image Doc Scanner Maker

[App page](https://appshunter.io/ios/app/cs-pdf-image-doc-scanner-maker/id6475980207)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Ads Free Subscription | $0.99 | per month |
| 3 Month Ads Free Subscription | $2.59 | per 3 months |
| 6 Month Ads Free Subscription | $4.89 | per 6 months |
| 12 Month Ads Free Subscription | $7.95 | per year |


## Frequently asked questions

### Is Scan to PDF free?

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

### Is CS PDF Image Doc Scanner Maker free?

CS PDF Image Doc Scanner Maker is free to download, with in-app purchases available.

### Do Scan to PDF or CS PDF Image Doc Scanner Maker have ads?

CS PDF Image Doc Scanner Maker shows ads; Scan to PDF does not.

### Which is updated more often, Scan to PDF or CS PDF Image Doc Scanner Maker?

Scan to PDF ships an update every 21 months, and CS PDF Image Doc Scanner Maker every 3 months. Most recently, Scan to PDF was updated on October 25, 2026 and CS PDF Image Doc Scanner Maker 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.*