Compress PDF is the household name in shrink pdf, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
Easily reduce the size of PDF files for efficient storage and sharing. Offers adjustable quality levels and on-device processing for privacy. An optional Pro upgrade provides unlimited compressions, target file size control, and an ad-free experience.
Easily reduce the file size of your PDF documents with a simple, secure, and privacy-focused tool. Compress PDFs in just three steps, directly on your device, and share them instantly. Enjoy fast and efficient document management without complex features.
Compress PDF - Resize PDF tops our shrink pdf apps ranking as of October 2026, with a 4.7-star average from 15 App Store ratings, and it's free to download.
Are there free shrink pdf apps for iPhone?
Yes — 19 of the top shrink pdf apps we rank are free to download, including Compress PDF - Resize PDF and MSRX PDF Compressor.
Does Compress PDF - Resize PDF have ads or in-app purchases?
Compress PDF - Resize PDF has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
How many shrink pdf apps are on the App Store?
We track 249+ shrink pdf apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.