# PDF Compression vs Viva Vertical

The clearest difference is in-app purchases: Viva Vertical at none against PDF Compression's 1. Viva Vertical also leads on iOS requirement (16.0 vs 18.5). PDF Compression's advantage is update cadence (every 4 days vs every 6 months) and device support. On price there is nothing between them.

Both are free to download. PDF Compression sells 1 one-off in-app purchase. Viva Vertical asks for nothing beyond the download.

PDF Compression ships an update every 4 days, Viva Vertical every 6 months. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PDF Compression | Viva Vertical |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pdf-compression/id6752516285/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | **Every 4 days** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 116 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) | [auau technology limited](https://appshunter.io/developer/1579268710) |

## What reviewers say

### PDF Compression

[App page](https://appshunter.io/ios/app/pdf-compression/id6752516285)

Easily reduce the size of your PDF files without sacrificing quality. This tool is perfect for students and professionals needing to optimize documents for storage, email, or sharing. Compress multiple files quickly and efficiently.

**Highlights:** Compress PDFs for free, Reduce file size to specific megabytes, Optimize documents for email and sharing, Compress multiple PDFs at once, Maintain document quality during compression, Convert PDFs to ZIP format

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Viva Vertical

[App page](https://appshunter.io/ios/app/viva-vertical/id6754835045)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compression free?

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

### Is Viva Vertical free?

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

### Which is updated more often, PDF Compression or Viva Vertical?

PDF Compression ships an update every 4 days, and Viva Vertical every 6 months. Most recently, PDF Compression was updated on October 1, 2026 and Viva Vertical on October 3, 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.*