Best Compress PDF Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

The best compress pdf apps on iPhone average 4.7★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Compress PDF Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Compressor : Compress PDFPDF Compressor : Compress PDFFree4.6★ (813)YesNoSep 2026
2Compress PDF - Resize PDFCompress PDF - Resize PDFFree4.7★ (14)NoYesSep 2026
3PDF it All Document ConverterPDF it All Document ConverterFree4.8★ (8.1K)NoYesSep 2026
4Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (649K)NoYesSep 2026
5PDF Compressor-Compress PDFPDF Compressor-Compress PDFFree4.7★ (137)YesYesAug 2026
6iLovePDF - PDF Editor & ScaniLovePDF - PDF Editor & ScanFree4.8★ (51K)NoYesSep 2026
7pdf compressor & compress pdfpdf compressor & compress pdfFree4.6★ (155)YesYesSep 2026
8Compress PDF : PDF Size ReduceCompress PDF : PDF Size ReduceFreeYesNoAug 2026

Top Picks for Compress PDF

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

Room to Improve

  • 📢 Excessive and intrusive advertisements
  • 🐛 Frequent app crashes and glitches
  • ❌ File compression increases size instead of reducing it
Compress PDF - Resize PDF#2

Compress PDF - Resize PDF by PremiumAl Limited

Compress, Resize & Create PDF
Strong Contender
🔧 Utilities
4.7(14 ratings)
FreeIn-App Purchases
Compress PDF - Resize PDF screenshot 1
Compress PDF - Resize PDF screenshot 2
Compress PDF - Resize PDF screenshot 3

Easily reduce the size of PDF files for efficient storage and sharing. Offers adjustable quality levels and on-device processing for privacy. An optional Pro upgrade provides unlimited compressions, target file size control, and an ad-free experience.

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

Room to Improve

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

More Compress PDF apps to explore

4
Acrobat Reader: PDF Editor
Acrobat Reader: PDF Editor
Acrobat Reader: PDF Editor
Documents Editor & Converter
Free

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

View, edit, and annotate PDFsSign and fill PDF formsConvert files to and from PDF
💼 Business
(649K)
freemium
5
PDF Compressor-Compress PDF
PDF Compressor-Compress PDF
PDF Compressor-Compress PDF
Reduce PDF Size & Keep Quality
Free

Easily reduce the size of your PDF files without sacrificing quality. This tool helps you shrink PDFs for faster sharing, emailing, or uploading, saving valuable storage space. It's perfect for managing large documents and scanned files efficiently.

Compress PDF files without losing claritySmart compressor for scanned or large documentsReduce PDF size for easy upload and sharing
📊 Productivity
(137)
free with in-app purchases
6
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
For Work, Study & E-Signing
Free

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.

Scan documents to PDFConvert JPG/Office to PDFEdit and annotate PDFs
📊 Productivity
(51K)
freemium
7
pdf compressor & compress pdf
pdf compressor & compress pdf
pdf compressor & compress pdf
Offline compress PDF documents
Free

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.

Offline PDF compressionAdjustable compression qualityBulk PDF compression
💼 Business
(155)
free with in-app purchases
8
Compress PDF : PDF Size Reduce
Compress PDF : PDF Size Reduce
Compress PDF : PDF Size Reduce
PDF Compressor - Shrink PDF
Free
🔧 Utilities
(0)
9
PDF Compressor - Compress PDF
PDF Compressor - Compress PDF
PDF Compressor - Compress PDF
Compress PDF - PDF Compressor
Free

Reduce the size of your PDF files to save storage space and speed up uploads and downloads. This app allows you to compress PDFs with a single tap, making them easier to manage and share.

Compress PDF file size easilyReduce PDF size within secondsSmart and easy to use interface
🔧 Utilities
(523)
free with in-app purchases
10
PDF Compressor : Compress Size
PDF Compressor : Compress Size
PDF Compressor : Compress Size
PDF Compressor Minify PDF Size
Free
📊 Productivity
(0)
11
PDF Converter: Docs Scanner
PDF Converter: Docs Scanner
PDF Converter: Docs Scanner
Scan, OCR, Sign, Edit & Merge
Free

This app transforms your mobile device into a powerful PDF scanner and editor. Convert various file types to and from PDF, perform OCR for searchable text, and secure your documents with passwords and encryption. It offers a comprehensive suite of tools for managing, signing, and annotating PDFs without needing a desktop.

Mobile document scanning with auto edge detectionOn-device OCR for searchable textConvert to/from PDF and multiple file formats
🔧 Utilities
(2)
free with in-app purchases
12
PDF Craft: Local Desk
PDF Craft: Local Desk
PDF Craft: Local Desk
Scan, OCR, Merge PDFs
Free

This app provides a local-first PDF workspace for creating, merging, organizing, and protecting documents on your iPhone and iPad. It allows you to scan paper, convert photos to PDFs, recognize text, and manage your files securely.

Scan documents and photos into PDFsConvert photos to PDFImport and merge PDF files
📊 Productivity
(2)
ad-supported
13
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Scanner -OCR,PDF Converter
Free

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

Read and edit PDFsAnnotate and markup documentsFill forms and add digital signatures
🔧 Utilities
(22K)
free with in-app purchases
14
Compress PDF: Image Compressor
Compress PDF: Image Compressor
Compress PDF: Image Compressor
PDF Compressor - Resize Photos
Free
🔧 Utilities
(0)
15
PDF Compressor Offline
PDF Compressor Offline
PDF Compressor Offline
Compress PDF Files Offline
Free
📊 Productivity
(0)
16
Compress PDF 1MB,500KB,200KB
Compress PDF 1MB,500KB,200KB
Compress PDF 1MB,500KB,200KB
Resize+JPG 100KB,300KB,2MB,5MB
Free
🔧 Utilities
(0)
17
Compress PDF, Shrink & Slim
Compress PDF, Shrink & Slim
Compress PDF, Shrink & Slim
Reduce file size, merge, split
Free
📊 Productivity
(0)
18
Monstie - PDF Compressor
Monstie - PDF Compressor
Monstie - PDF Compressor
Photo to PDF, Compress & Sign
Free

Easily convert images to PDF, compress file sizes, and digitally sign documents. Edit text, redact sensitive information, and share professional PDF files directly from your device. All essential editing and scanning features are free.

Image to PDF conversionBatch conversionPDF file compression
💼 Business
(1)
free with in-app purchases
19
PDF Scanner: Edit & Sign
PDF Scanner: Edit & Sign
PDF Scanner: Edit & Sign
Field docs scan & PDF toolkit
Free

Transform scattered documents, photos, and notes into organized PDFs. Capture information on the go, edit, merge, and secure your files. Advanced features like OCR and voice-to-text are available with a subscription.

Scan documents with cameraOrganize and browse PDFsMerge multiple scans
📊 Productivity
(1)
free with in-app purchases
20
PDF Squeezer: Compress PDF
PDF Squeezer: Compress PDF
PDF Squeezer: Compress PDF
Reduce size for email fast
Free
📊 Productivity
(0)

FAQ about Compress PDF

What are the best compress pdf apps for iPhone?
PDF Compressor : Compress PDF tops our compress pdf apps ranking as of August 2026, with a 4.6-star average from 813 App Store ratings, and it's free to download.
Yes — 20 of the top compress pdf apps we rank are free to download, including PDF Compressor : Compress PDF and Compress PDF - Resize PDF.
PDF Compressor : Compress PDF shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ compress pdf apps on the iOS App Store as of August 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.

Related searches