Out of 250+ compress 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.
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.
This app allows users to open, read, fill, sign, and comment on PDF documents. It offers advanced features like PDF creation, editing, conversion to other formats, and AI-powered assistance for a fee.
Effortlessly reduce the size of PDF documents on your iPhone or iPad. Choose from multiple compression levels to save storage space and optimize file sharing, all while maintaining excellent quality. Your documents are processed locally for enhanced privacy and security.
What are the best compress document apps for iPhone?
pdf compressor & compress pdf tops our compress document apps ranking as of October 2026, with a 4.6-star average from 162 App Store ratings, and it's free to download.
Are there free compress document apps for iPhone?
Yes — 20 of the top compress document apps we rank are free to download, including pdf compressor & compress pdf and Acrobat Reader: PDF Editor.
Does pdf compressor & compress pdf have ads or in-app purchases?
pdf compressor & compress pdf shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
How many compress document apps are on the App Store?
We track 250+ compress document apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.