# Document Signer vs Engelmann Software App

The clearest difference is in-app purchases: Engelmann Software App at none against Document Signer's 4. Document Signer's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Document Signer sells 4 in-app purchases, starting at $4.99 per 7 days. Engelmann Software App asks for nothing beyond the download.

Document Signer ships an update every 9 days, Engelmann Software App every 2 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Document Signer | Engelmann Software App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (26 ratings)](https://appshunter.io/ios/app/document-signer-simplesign/id6502412936/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 47 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zion Studios LLC](https://appshunter.io/developer/1685918923) | [Engelmann Software GmbH](https://appshunter.io/developer/6785827307) |

## What reviewers say

### Document Signer

[App page](https://appshunter.io/ios/app/document-signer-simplesign/id6502412936)

Easily sign PDFs, fill forms, and manage scanned documents. This app offers a free e-signature feature and a camera scanner. Upgrade to Pro for advanced editing tools, templates, and cloud syncing.

**Highlights:** Electronic document signing, PDF and image file signing, Camera scanner for documents, Document editing tools, Ready-to-use templates, Google Drive syncing, Local storage for privacy

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Subscription | $4.99 | per 7 days |
| Pro Monthly Subscription | $12.99 | per month |
| Pro Yearly Subscription | $59.99 | per year |
| Lifetime SimpleSign Offer | $69.99 | one-time |


### Engelmann Software App

[App page](https://appshunter.io/ios/app/engelmann-software-app/id6770525292)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Document Signer free?

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

### Is Engelmann Software App free?

Engelmann Software App is free to download, with no in-app purchases.

### Do Document Signer or Engelmann Software App have ads?

Neither Document Signer nor Engelmann Software App shows ads.

### Which is updated more often, Document Signer or Engelmann Software App?

Document Signer ships an update every 9 days, and Engelmann Software App every 2 months. Most recently, Document Signer was updated on October 7, 2026 and Engelmann Software App 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.*