PDF Compressor vs PDF Slim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Compressor
Easily reduce the file size of PDFs and images without sacrificing quality. This utility helps you shrink large documents for sharing, uploading, or saving storage space on your device.
- Compress PDF files
- Compress images
- Custom compression levels
- Fast PDF processing
- Saved files manager
- Download & share files
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PDF Compressor – Compress PDF & Reduce File Size PDF Compressor is a fast, reliable, and easy-to-use app that helps you compress PDF files and images, reduce file size, and save storage on your device. If you need a simple way to shrink large PDFs for sharing, uploading, or archiving, this app is built for you. With advanced compression technology, PDF Compressor allows you to reduce PDF size without losing quality. You can also compress images to make them easier to upload, email, or store. Whether you are working with business documents, study material, invoices, or scanned files, this app helps you manage everything efficiently. Key Features: • Compress PDF Files – Reduce PDF file size quickly and securely • Image Compressor – Compress images without noticeable quality loss • Custom Compression Levels – Low, Medium, and Custom options • Fast PDF Processing – Optimized for speed and performance • Saved Files Manager – Access and manage compressed PDFs easily • Download & Share Files – Save compressed files instantly • Simple & Modern Interface – Designed for iPhone and iPad users Perfect for: - PDF compression for email and cloud upload - Reducing file size for online forms and portals - Saving storage on your iPhone or iPad - Students, professionals, and business users PDF Compressor is a subscription-based app. Premium features such as unlimited PDF compression, advanced compression controls, and enhanced file management require an active subscription. Privacy Policy: https://health-fitness-pro.fit/privacy Terms of Use: https://health-fitness-pro.fit/terms
PDF Slim
Reduce the size of your PDF files with adjustable quality settings. Save or share compressed documents directly from the application. Access detailed information about each PDF.
- Compress PDF files
- Adjustable quality levels
- Save compressed PDFs
- Share instantly
- View PDF details
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A smart compression app that quickly and easily reduces PDF file size! • Every Feature, No Payment Use every feature right away — no payment required. • Your Choice of Compression Quality Choose from three quality levels — Low, Medium, and High — to control how much your PDFs are compressed. The lower the quality, the smaller the file. • Detailed PDF Information Check key details at a glance, including file name, page count, file size, and creation date. • Separate Save & Instant Sharing Your original PDF stays untouched — the compressed copy is saved separately and can be shared instantly from the app.
Screenshots
Verdict
The clearest difference is update cadence: PDF Slim at weekly against PDF Compressor's every 3 weeks. PDF Slim also leads on monetization model (ad-supported vs free with in-app purchases) and iOS requirement (15.0 vs 17.0). PDF Compressor's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $1.99 per 7 days and PDF Slim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for PDF Compressor against 5.0 for PDF Slim. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
PDF Compressor ships an update every 3 weeks, PDF Slim weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | PDF Compressor | PDF Slim |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | ESPRESSO TECH (SMC-PRIVATE) LIMITED | MBG Studio |
Customer experience
PDF Compressor
PDF Slim
In-app purchases
PDF Compressor
- Weekly Access$1.997 Days
- Monthly Access$3.991 Month
- Yearly Access$29.991 Year
PDF Slim
- Remove Ads$0.99









