# PDF Compressor vs Sun iBit

PDF Compressor and Sun iBit are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PDF Compressor | Sun iBit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 15 MB | 1 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [梓峰 戴](https://appshunter.io/developer/1755318637) | [Maksym Gordyniak](https://appshunter.io/developer/1496500115) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-pdf-converter/id6738946196)

This app offers tools to reduce the file size of your PDF documents and convert them into other formats. It focuses on improving stability and responsiveness through bug fixes and performance optimizations.

**Highlights:** Compress PDF files, Convert PDF to other formats, Bug fixes for stability, Performance improvements for speed, User feedback integration

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

**In-app purchases:** none


### Sun iBit

[App page](https://appshunter.io/ios/app/sun-ibit/id6740729095)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Sun iBit free?

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

### Do PDF Compressor or Sun iBit have ads?

Both PDF Compressor and Sun iBit show ads.

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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.*