# Simple Zip vs PDF Compressor

The clearest difference is ads: Simple Zip at none against PDF Compressor's shown. Simple Zip also leads on update cadence (every 6 days vs every 2 months) and rating (5.0 vs 4.6). PDF Compressor's advantage is ratings volume (813 vs 1). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Simple Zip holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PDF Compressor has 813 ratings behind it against 1, so its average is the more settled of the two.

Simple Zip ships an update every 6 days, PDF Compressor every 2 months. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Simple Zip | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-zip/id1554464336/reviews)** | [4.6 (813 ratings)](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id1637213307/reviews) |
| Number of ratings | 1 | **813** |
| Positive reviews | — | 26.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 27 MB | 11 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Move On Studio](https://appshunter.io/developer/1554464338) | [Vishalbhai Vaghasiya](https://appshunter.io/developer/1512628511) |

## What reviewers say

### Simple Zip

[App page](https://appshunter.io/ios/app/simple-zip/id1554464336)

This utility app offers a straightforward way to compress files, photos, and videos. It focuses on speed and simplicity, providing a distraction-free experience without advertisements or internet connectivity requirements.

**Highlights:** Compress files, Compress photos, Compress videos, No ads, No internet required, Fast compression

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

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id1637213307)

Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.

**Highlights:** Compress PDF files, Reduce PDF file size, Select output PDF quality, Easy-to-use interface, Single-tap compression

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient compression
- 👍 Simple and easy-to-use interface
- 💰 Free to download and use
- ✅ Effective file size reduction
- 📧 Solves email attachment size issues

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 🐛 Frequent app crashes and glitches
- ❌ File compression increases size instead of reducing it
- 🔄 App requires restart after each compression
- ⚠️ Suspicious ad permissions and potential security concerns

**Reported bugs**

- App crashes on second compression attempt
- File size increases instead of decreasing
- App exits unexpectedly after compression
- Compressed file unrecognizable or corrupted
- Keyboard numbers display as blank

**Requested features**

- Reduce or eliminate advertisements
- Add compression quality/control settings
- Batch file compression capability
- Improved preview functionality for multiple documents
- Better file naming conventions for compressed files


## Frequently asked questions

### Is Simple Zip free?

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

### Is PDF Compressor free?

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

### Which has better reviews, Simple Zip or PDF Compressor?

Simple Zip is rated higher. Simple Zip averages 5.0 out of 5 from 1 ratings, while PDF Compressor averages 4.6 from 813 ratings.

### Do Simple Zip or PDF Compressor have ads?

PDF Compressor shows ads; Simple Zip does not.

### Which is updated more often, Simple Zip or PDF Compressor?

Simple Zip ships an update every 6 days, and PDF Compressor every 2 months. Most recently, Simple Zip was updated on October 1, 2026 and PDF Compressor on October 13, 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.*