# Document Portability vs FileSizeFix

The clearest difference is in-app purchases: Document Portability at none against FileSizeFix's 2. Document Portability also leads on iOS requirement (13.0 vs 16.0). FileSizeFix's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. FileSizeFix sells 2 in-app purchases, starting at $1.99 per month. Document Portability asks for nothing beyond the download.

Document Portability ships an update every 4 months, FileSizeFix every 3 weeks. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Document Portability | FileSizeFix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 50 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Primosoft Inc](https://appshunter.io/developer/638687289) | [Deep Platforms GmbH](https://appshunter.io/developer/1835758089) |

## What reviewers say

### Document Portability

[App page](https://appshunter.io/ios/app/document-portability/id1632727176)

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

**In-app purchases:** none


### FileSizeFix

[App page](https://appshunter.io/ios/app/filesizefix-file-compressor/id6787018468)

Easily reduce the size of photos, videos, documents, and audio files directly on your device. Achieve exact file sizes for emails, uploads, or sharing, with options to edit and protect your privacy.

**Highlights:** Compress photos, videos, PDFs, audio, and documents, Set exact target file sizes in KB or MB, Resize images to specific pixel dimensions, Batch processing for multiple files, Offline processing and privacy protection, Edit images, videos, and PDFs before export, Scan paper documents to PDF

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FileSizeFix Pro Monthly | $1.99 | per month |
| FileSizeFix Pro Yearly | $17.99 | per year |


## Frequently asked questions

### Is Document Portability free?

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

### Is FileSizeFix free?

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

### Do Document Portability or FileSizeFix have ads?

Both Document Portability and FileSizeFix show ads.

### Which is updated more often, Document Portability or FileSizeFix?

Document Portability ships an update every 4 months, and FileSizeFix every 3 weeks. Most recently, Document Portability was updated on September 19, 2026 and FileSizeFix on September 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.*