# PDF Compressor vs Smart PDF Compressor

The clearest difference is in-app purchases: Smart PDF Compressor at none against PDF Compressor's 3. Smart PDF Compressor also leads on ads (none vs shown) and update cadence (every 9 days vs every 6 weeks). PDF Compressor's advantage is iOS requirement (14.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $2.99 per 7 days. Smart PDF Compressor asks for nothing beyond the download.

PDF Compressor ships an update every 6 weeks, Smart PDF Compressor every 9 days. The most recent releases landed on June 3, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Smart PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pdf-compressor-scan-and-edit/id1661782548/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rahul Alagiya](https://appshunter.io/developer/1572484207) | [Quan Dang](https://appshunter.io/developer/1868401962) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-scan-and-edit/id1661782548)

Easily compress PDF files to reduce size without quality loss. This tool also allows scanning documents, merging PDFs, editing pages, and adding e-signatures. Optimize your documents for sharing and storage with a comprehensive offline PDF toolkit.

**Highlights:** Compress PDF files, Scan documents to PDF, Merge multiple PDF files, Edit PDF pages, Add e-signatures, Extract text with OCR, Protect PDFs with watermarks

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Convert Images To PDF | $14.99 | one-time |


### Smart PDF Compressor

[App page](https://appshunter.io/ios/app/smart-pdf-compressor-reduce/id6757997785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Smart PDF Compressor free?

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

### Do PDF Compressor or Smart PDF Compressor have ads?

PDF Compressor shows ads; Smart PDF Compressor does not.

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

PDF Compressor ships an update every 6 weeks, and Smart PDF Compressor every 9 days. Most recently, PDF Compressor was updated on June 3, 2026 and Smart PDF Compressor on September 19, 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.*