# Unit Converter Complete vs Document Scan, Edit & Merge

The clearest difference is update cadence: Document Scan, Edit & Merge at every 3 weeks against Unit Converter Complete's every 6 weeks. Document Scan, Edit & Merge also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Unit Converter Complete sells 1 one-off in-app purchase and Document Scan, Edit & Merge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Unit Converter Complete ships an update every 6 weeks, Document Scan, Edit & Merge every 3 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Unit Converter Complete | Document Scan, Edit & Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/document-scan-edit-and-merge/id6757187849/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 53 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wahyu Salam](https://appshunter.io/developer/1738766613) | [OKAN YUKSEL](https://appshunter.io/developer/1856236528) |

## What reviewers say

### Unit Converter Complete

[App page](https://appshunter.io/ios/app/unit-converter-complete/id6740201858)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version | $2.99 | one-time |


### Document Scan, Edit & Merge

[App page](https://appshunter.io/ios/app/document-scan-edit-and-merge/id6757187849)

This app allows you to scan, edit, sign, and organize PDF documents directly on your device. It offers a comprehensive suite of tools for document management, all processed offline for maximum privacy and security.

**Highlights:** Scan documents with automatic edge detection, Edit and annotate PDFs with text, highlights, and drawings, Create and apply digital signatures, Merge, split, and reorder PDF pages, 100% offline processing for enhanced privacy, No account required

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Unit Converter Complete free?

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

### Is Document Scan, Edit & Merge free?

Document Scan, Edit & Merge is free to download, with in-app purchases available.

### Do Unit Converter Complete or Document Scan, Edit & Merge have ads?

Both Unit Converter Complete and Document Scan, Edit & Merge show ads.

### Which is updated more often, Unit Converter Complete or Document Scan, Edit & Merge?

Unit Converter Complete ships an update every 6 weeks, and Document Scan, Edit & Merge every 3 weeks. Most recently, Unit Converter Complete was updated on September 24, 2026 and Document Scan, Edit & Merge on September 10, 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.*