# PDF Converter vs Collesium

The clearest difference is in-app purchases: Collesium at none against PDF Converter's 3. Collesium also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Converter sells 3 in-app purchases, starting at $4.99 per 7 days. Collesium asks for nothing beyond the download.

PDF Converter ships an update monthly, Collesium every 2 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PDF Converter | Collesium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-converter-maker-and-editor/id6755816440/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 8 MB | 26 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CODEGEN LLP](https://appshunter.io/developer/1819428960) | [Oguz Bayramoglu](https://appshunter.io/developer/1853013996) |

## What reviewers say

### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-maker-and-editor/id6755816440)

Convert images to JPG, summarize long documents with AI, and manage your files efficiently. This app offers tools to work faster and smarter, keeping your data secure and organized.

**Highlights:** Convert images to JPG, AI-powered document summarization, Batch file conversion, File organization, Adjust image quality and size, Secure data processing

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Monthly Plan | $12.99 | per month |
| Yearly Plan | $34.99 | per year |


### Collesium

[App page](https://appshunter.io/ios/app/collesium/id6759823922)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Converter free?

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

### Is Collesium free?

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

### Do PDF Converter or Collesium have ads?

Neither PDF Converter nor Collesium shows ads.

### Which is updated more often, PDF Converter or Collesium?

PDF Converter ships an update monthly, and Collesium every 2 weeks. Most recently, PDF Converter was updated on October 24, 2026 and Collesium on October 6, 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.*