# Astola vs PDF Compressor

The clearest difference is ads: Astola at none against PDF Compressor's shown. On price, update cadence, 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.

Astola ships an update every 3 days, PDF Compressor every 6 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Astola | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 days |
| Size | 44 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yixiong Fang](https://appshunter.io/developer/6775865845) | [Jeny Goentoro](https://appshunter.io/developer/6774213231) |

## What reviewers say

### Astola

[App page](https://appshunter.io/ios/app/astola/id6798169532)

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

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor/id6814202940)

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

**In-app purchases:** none


## Frequently asked questions

### Is Astola free?

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

### Is PDF Compressor free?

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

### Do Astola or PDF Compressor have ads?

PDF Compressor shows ads; Astola does not.

### Which is updated more often, Astola or PDF Compressor?

Astola ships an update every 3 days, and PDF Compressor every 6 days. Most recently, Astola was updated on October 10, 2026 and PDF Compressor on October 16, 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.*