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Best Compress PDF Reduce PDF Size Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.4★, the compress pdf reduce pdf size category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Compress PDF Reduce PDF Size Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Compress It! PDF CompressorCompress It! PDF CompressorFree4.9★ (430)NoYesSep 2026
2Compress PDF reduce pdf sizeCompress PDF reduce pdf sizeFree4.5★ (25)NoYesSep 2026
3PDF Compressor : Compress PDFPDF Compressor : Compress PDFFree4.6★ (813)YesNoSep 2026
4PDF it All Document ConverterPDF it All Document ConverterFree4.8★ (8.1K)NoYesSep 2026
5Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (651K)NoYesSep 2026
6Compress Pdf : Reduce PdfCompress Pdf : Reduce PdfFree—NoNoSep 2026
7PDF Compressor - Reduce SizePDF Compressor - Reduce SizeFree4.3★ (82)NoYesSep 2026
8compress pdf, reduce pdf sizecompress pdf, reduce pdf sizeFree—NoNoAug 2026

Top Picks for Compress PDF Reduce PDF Size

Compress It! PDF Compressor#1

Compress It! PDF Compressor by DIGISET LLC

Reduce & shrink document size
Editor's Choice
🔧 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 Compressor : Compress PDF#3

PDF Compressor : Compress PDF by Vishalbhai Vaghasiya

Compress PDF - PDF Compressor
Worth Considering
🔧 Utilities
4.6😞(813 ratings)
FreeAds
PDF Compressor : Compress PDF screenshot 1
PDF Compressor : Compress PDF screenshot 2
PDF Compressor : Compress PDF screenshot 3

Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.

What We Love

  • 🚀 Fast and efficient compression
  • 👍 Simple and easy-to-use interface
  • 💰 Free to download and use
  • ✅ Effective file size reduction
  • 📧 Solves email attachment size issues

Room to Improve

  • 📢 Excessive and intrusive advertisements
  • 🐛 Frequent app crashes and glitches
  • ❌ File compression increases size instead of reducing it
  • 🔄 App requires restart after each compression
  • ⚠️ Suspicious ad permissions and potential security concerns
  • 📄 Corrupts document content and page formatting
  • 🔐 Possible malware or data theft risk
  • 🖥️ Web-based functionality with poor connectivity handling

More Compress PDF Reduce PDF Size apps to explore

FAQ about Compress PDF Reduce PDF Size

What are the best compress pdf reduce pdf size apps for iPhone?
Compress It! PDF Compressor tops our compress pdf reduce pdf size apps ranking as of September 2026, with a 4.9-star average from 430 App Store ratings, and it's free to download.
Yes — 20 of the top compress pdf reduce pdf size apps we rank are free to download, including Compress It! PDF Compressor and Compress PDF reduce pdf size.
Compress It! PDF Compressor has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ compress pdf reduce pdf size apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Compress It! is a mobile application designed to reduce the file size of your PDF documents. It offers a straightforward process to shrink PDFs, making them easier to share via email or store on your device. The compression is performed directly on your device for enhanced security and privacy.
The app uses a simple three-step process: open the app, select your desired compression level, and then choose the PDF file you wish to compress. You can import PDFs from your device's files or directly from other applications. The compression happens quickly and securely on your device.

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