Best PDF Compressor Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good pdf compressor apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top PDF Compressor Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Compressor : Compress PDFPDF Compressor : Compress PDFFree4.6★ (813)YesNoSep 2026
2PDF Compressor-Compress PDFPDF Compressor-Compress PDFFree4.7★ (143)YesYesSep 2026
3iLovePDF - PDF Editor & ScaniLovePDF - PDF Editor & ScanFree4.8★ (51K)NoYesSep 2026
4PDF it All Document ConverterPDF it All Document ConverterFree4.8★ (8.1K)NoYesSep 2026
5Compress It! PDF CompressorCompress It! PDF CompressorFree4.9★ (430)NoYesSep 2026
6PDF Compressor - Compress PDFPDF Compressor - Compress PDFFree4.3★ (531)NoYesSep 2026
7Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (651K)NoYesSep 2026
8PDF CompressorPDF CompressorFree4.1★ (56)NoNoAug 2026

Top Picks for PDF Compressor

PDF Compressor : Compress PDF#1

PDF Compressor : Compress PDF by Vishalbhai Vaghasiya

Compress PDF - PDF Compressor
Editor's Choice
🔧 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
iLovePDF - PDF Editor & Scan#3

iLovePDF - PDF Editor & Scan by iLovePDF

For Work, Study & E-Signing
Worth Considering
📊 Productivity
4.8😊(51K ratings)
FreeIn-App Purchases
iLovePDF - PDF Editor & Scan screenshot 1
iLovePDF - PDF Editor & Scan screenshot 2
iLovePDF - PDF Editor & Scan screenshot 3
iLovePDF - PDF Editor & Scan screenshot 4
iLovePDF - PDF Editor & Scan screenshot 5
iLovePDF - PDF Editor & Scan screenshot 6

Edit, convert, annotate, and sign PDF documents on the go. This app offers tools to scan, merge, split, compress, and protect your files, enhancing productivity for work and study.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy to use
  • 🔒 Unlocks password-protected PDFs
  • 🎨 Good compression quality
  • 💰 Free with useful features

Room to Improve

  • 🔒 Paywall for advanced features
  • 🐛 Inconsistent performance
  • 🔒 Limited free usage
  • 🐛 Buggy PDF editing
  • 🔒 Mandatory account signup

More PDF Compressor apps to explore

FAQ about PDF Compressor

What are the best pdf compressor apps for iPhone?
PDF Compressor : Compress PDF tops our pdf compressor apps ranking as of September 2026, with a 4.6-star average from 813 App Store ratings, and it's free to download.
Yes — 20 of the top pdf compressor apps we rank are free to download, including PDF Compressor : Compress PDF and PDF Compressor-Compress PDF.
PDF Compressor : Compress PDF shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ pdf compressor apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is designed to reduce the file size of your PDF documents. It allows you to compress PDFs, which saves disk space and makes uploads and downloads faster. You can select the quality of the output PDF to control the level of compression.
Compressing a PDF is simple. You select the PDF file you want to compress directly on your device. Then, you choose the desired quality for the output PDF, and with a single tap, the app will reduce the file size.

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