# KlickPDF vs Cornerstone Stuttgart

The clearest difference is update cadence: Cornerstone Stuttgart at every 4 days against KlickPDF's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

KlickPDF ships an update every 3 weeks, Cornerstone Stuttgart every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | KlickPDF | Cornerstone Stuttgart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (163 ratings)](https://appshunter.io/ios/app/klickpdf/id6743733012/reviews)** | — |
| Number of ratings | **163** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 49 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [METEOR NETWORK TECHNOLOGY LIMITED](https://appshunter.io/developer/1675038769) | [Bernadette Amann](https://appshunter.io/developer/6771790249) |

## What reviewers say

### KlickPDF

[App page](https://appshunter.io/ios/app/klickpdf/id6743733012)

This app provides essential tools for managing PDF documents on the go. It allows users to merge multiple PDFs into one, split large documents into smaller files, and convert images into PDF format with ease. Streamline your document handling and enhance productivity with these convenient features.

**Highlights:** Merge PDF files, Split PDF files, Convert images to PDF, One-click operations, Streamline workflow

**In-app purchases:** none

**What reviewers like**

- 🥹 Love it
- 👍 Awesome

**What reviewers complain about**

- 👎 Useless app
- 😠 Fake app
- 😡 Scam
- 😤 Garbage scam
- 😒 Misleading app


### Cornerstone Stuttgart

[App page](https://appshunter.io/ios/app/cornerstone-stuttgart/id6771790247)

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

**In-app purchases:** none


## Frequently asked questions

### Is KlickPDF free?

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

### Is Cornerstone Stuttgart free?

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

### Do KlickPDF or Cornerstone Stuttgart have ads?

Neither KlickPDF nor Cornerstone Stuttgart shows ads.

### Which is updated more often, KlickPDF or Cornerstone Stuttgart?

KlickPDF ships an update every 3 weeks, and Cornerstone Stuttgart every 4 days. Most recently, KlickPDF was updated on October 24, 2026 and Cornerstone Stuttgart on October 24, 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.*