Best Compress PDF Document Apps

246+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

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 (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1pdf compressor & compress pdfpdf compressor & compress pdfFree4.6★ (157)YesYesSep 2026
2Compress It! PDF CompressorCompress It! PDF CompressorFree4.9★ (430)NoYesSep 2026
3PDF it All Document ConverterPDF it All Document ConverterFree4.8★ (8.1K)NoYesSep 2026
4PDF Compressor-Compress PDFPDF Compressor-Compress PDFFree4.7★ (143)YesYesSep 2026
5Compress PDF : Reduce PDF SizeCompress PDF : Reduce PDF SizeFree1.0★ (3)NoYesMay 2026
6PDF Compressor: To Any SizePDF Compressor: To Any SizeFreeNoYesJul 2026
7PDF Compressor - Reduce SizePDF Compressor - Reduce SizeFree4.3★ (82)NoYesSep 2026
8Compress PDF File - ShrinkrCompress PDF File - ShrinkrFreeNoYesAug 2026

Top Picks for Compress PDF Document

Compress It! PDF Compressor#2

Compress It! PDF Compressor by DIGISET LLC

Reduce & shrink document size
Strong Contender
🔧 Utilities
4.9😐(430 ratings)
FreeIn-App Purchases
Compress It! PDF Compressor screenshot 1
Compress It! PDF Compressor screenshot 2
Compress It! PDF Compressor screenshot 3

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.

What We Love

  • 👍 Easy to use
  • ✨ No ads
  • 🚀 Works really good
  • 💯 Gets the job done
  • 💰 Saves time and money
  • ✅ Reduces PDF size significantly
  • 🆓 Free to use
  • 💡 Helpful for sending large files
  • 🚀 Fast compression
  • 🌟 Best PDF compressor

Room to Improve

  • 🐛 Crashes with files over 200mb
  • 🐛 Does not work with files over 300mb
  • 🐛 Images become pixelated
  • 🐛 Decompressing to original size unknown
  • 🐛 'Choose file' button not working
  • 🐛 Cannot find compressed files
  • 🐛 No option to compress photos
  • 🐛 Does not work at all
  • 🐛 Fake app, not working
  • 🐛 Horrible, no funciona
PDF it All Document Converter#3

PDF it All Document Converter by DIGISET LLC

Compress PDF Photos,Files,Word
Worth Considering
📊 Productivity
4.8😊(8.1K ratings)
FreeIn-App Purchases
PDF it All Document Converter screenshot 1
PDF it All Document Converter screenshot 2
PDF it All Document Converter screenshot 3
PDF it All Document Converter screenshot 4
PDF it All Document Converter screenshot 5
PDF it All Document Converter screenshot 6

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to compress, convert, edit, merge, split, sign, and protect PDF files. All operations are performed locally on the device for enhanced security.

What We Love

  • 🚀 Fast and efficient
  • 👍 User-friendly and easy to use
  • 💡 Versatile and feature-rich
  • 🥰 Loyal and reliable companion
  • 🔒 Secure and private

Room to Improve

  • 🐛 Crashes and compatibility issues with newer iOS versions
  • 💰 Subscription model not well-received
  • 🔍 Lack of search functionality
  • 📁 Issues with file management and organization

More Compress PDF Document apps to explore

FAQ about Compress PDF Document

What are the best compress pdf document apps for iPhone?
pdf compressor & compress pdf tops our compress pdf document apps ranking as of September 2026, with a 4.6-star average from 157 App Store ratings, and it's free to download.
Yes — 20 of the top compress pdf document apps we rank are free to download, including pdf compressor & compress pdf and Compress It! PDF Compressor.
pdf compressor & compress pdf shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 246+ compress pdf document apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to compress PDF files directly on your device without needing an internet connection. It helps reduce file sizes, freeing up storage space and making it easier to share documents. Beyond compression, it also offers features like merging, splitting, and converting PDFs to JPG images.
You can control the amount of compression applied to your PDF files using a quality slider. This allows you to balance file size reduction with the visual quality of the document. The app compresses files locally, ensuring your privacy is protected as no data is uploaded to servers.