Out of 246+ compress pdf document apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Compare top Compress PDF Document Apps (October 2026)
Shrink PDF files quickly and easily without an internet connection. Free up storage space on your device and share documents more efficiently. Offers various compression levels and additional PDF management tools.
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.