# KegScan vs PDF Signature

The clearest difference is in-app purchases: KegScan at none against PDF Signature's 5. KegScan also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Signature sells 5 in-app purchases, starting at $4.99 per 7 days. KegScan asks for nothing beyond the download.

KegScan ships an update every 6 months, PDF Signature every 4 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | KegScan | PDF Signature |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Size | 18 MB | 67 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UnaBiz Co Ltd](https://appshunter.io/developer/1196183719) | [CTRL Media LLC](https://appshunter.io/developer/1831019835) |

## What reviewers say

### KegScan

[App page](https://appshunter.io/ios/app/kegscan/id1486519700)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Signature

[App page](https://appshunter.io/ios/app/pdf-signature-esign/id6749543749)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is KegScan free?

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

### Is PDF Signature free?

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

### Do KegScan or PDF Signature have ads?

Neither KegScan nor PDF Signature shows ads.

### Which is updated more often, KegScan or PDF Signature?

KegScan ships an update every 6 months, and PDF Signature every 4 months. Most recently, KegScan was updated on October 1, 2026 and PDF Signature on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*