# Aspose.PDF vs Smart PDF Compressor

The clearest difference is update cadence: Smart PDF Compressor at every 9 days against Aspose.PDF's every 4 weeks. Aspose.PDF's advantage is iOS requirement (16.0 vs 18.0). On price, ads, 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.

Aspose.PDF ships an update every 4 weeks, Smart PDF Compressor every 9 days. The most recent releases landed on August 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Aspose.PDF | Smart PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/asposepdf-converter-viewer/id1580359566/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 41 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aspose Pty Ltd](https://appshunter.io/developer/746299884) | [Quan Dang](https://appshunter.io/developer/1868401962) |

## What reviewers say

### Aspose.PDF

[App page](https://appshunter.io/ios/app/asposepdf-converter-viewer/id1580359566)

This application provides a comprehensive suite of tools for managing PDF files, including conversion, editing, optimization, and security features. It allows users to compress, merge, split, rotate, and protect PDFs, as well as convert them to and from various formats like Word, Excel, and images. The app also offers OCR capabilities and a PDF viewer.

**Highlights:** Compress PDF files, Merge and split PDFs, Convert PDF to Word, Excel, PPT, and images, Protect PDFs with passwords, Add watermarks and signatures, Scan documents to PDF, OCR for searchable PDFs

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

**In-app purchases:** none


### 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 Aspose.PDF free?

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

### Is Smart PDF Compressor free?

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

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

Neither Aspose.PDF nor Smart PDF Compressor shows ads.

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

Aspose.PDF ships an update every 4 weeks, and Smart PDF Compressor every 9 days. Most recently, Aspose.PDF was updated on August 17, 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.*