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Best PDF File Compressor Apps

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

PDF Compressor is the household name in pdf file compressor, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top PDF File Compressor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Compressor : Compress PDFPDF Compressor : Compress PDFFree4.7★ (650)YesNoAug 2026
2PDF it All Document ConverterPDF it All Document ConverterFree4.8★ (8.1K)NoYesAug 2026
3Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (643K)NoYesAug 2026
4PDF Compressor - Compress PDFPDF Compressor - Compress PDFFree4.3★ (523)NoYesJul 2026
5PDF Compressor－Compress PDFPDF Compressor－Compress PDFFree4.7★ (137)NoYesAug 2026
6Compress PDF File - ShrinkrCompress PDF File - ShrinkrFree—NoYesJun 2026
7PDFPress - PDF CompressorPDFPress - PDF CompressorFree—NoYesJul 2026
8PDF Compressor: Compress PDF .PDF Compressor: Compress PDF .Free—NoYesMay 2026

Top Picks for PDF File Compressor

PDF Compressor : Compress PDF#1

PDF Compressor : Compress PDF by Vishalbhai Vaghasiya

Compress PDF - PDF Compressor
Editor's Choice
🔧 Utilities
4.7😞(650 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
PDF it All Document Converter#2

PDF it All Document Converter by DIGISET LLC

Compress PDF Photos,Files,Word
Strong Contender
📊 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
Acrobat Reader: PDF Editor#3

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Editor & Converter
Worth Considering
💼 Business
4.7😞(643K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
Acrobat Reader: PDF Editor screenshot 2
Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
Acrobat Reader: PDF Editor screenshot 6

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.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model

More PDF File Compressor apps to explore

4
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
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
Compress PDF File - Shrinkr
Compress PDF File - Shrinkr
Compress PDF File - Shrinkr
#1 PDF Compressor, Reduce Size
Free
🔧 Utilities
(0)
7
PDFPress - PDF Compressor
PDFPress - PDF Compressor
PDFPress - PDF Compressor
Shrink PDF size for upload
Free
🔧 Utilities
(0)
8
PDF Compressor: Compress PDF .
PDF Compressor: Compress PDF .
PDF Compressor: Compress PDF .
Compress PDF - PDF Compressor
Free
📊 Productivity
(0)
9
Smart PDF Compressor Offline
Smart PDF Compressor Offline
Smart PDF Compressor Offline
Shrink PDFs. Stay Private.
Free
📊 Productivity
(0)
10
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
11
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
(153)
free with in-app purchases
12
Smart PDF Compressor
Smart PDF Compressor
Smart PDF Compressor
Shrink PDFs, Keep Quality
Free
🔧 Utilities
(0)
13
Pdf Compressor - Compress File
Pdf Compressor - Compress File
Pdf Compressor - Compress File
Reduce PDF Size & Keep Quality
Free

This app helps you reduce the size of PDF files quickly and easily without sacrificing quality. It's perfect for optimizing documents for sharing, email, or storage, offering a simple interface for efficient compression.

Compress PDF files easilyHigh-quality compressionFast processing
📊 Productivity
(3)
free with in-app purchases
14
PDF Compressor - Shrink Files
PDF Compressor - Shrink Files
PDF Compressor - Shrink Files
Compress PDF to Target Size
Free
📊 Productivity
(0)
15
PDFCompressor.Shrink PDF
PDFCompressor.Shrink PDF
PDFCompressor.Shrink PDF
Reduce Size. Keep Quality.
Free
📊 Productivity
(0)
16
PDF Compressor: Fast Resize
PDF Compressor: Fast Resize
PDF Compressor: Fast Resize
Edit and convert documents
Free
📊 Productivity
(0)
17
PDF Compressor App
PDF Compressor App
PDF Compressor App
Compress & Reduce PDF Size
Free
$0.99 | 100% OFF

Reduce the size of PDF documents and images on your iPhone with this privacy-focused tool. Choose from three compression levels to balance file size and quality, and easily manage, save, or share your compressed files offline.

Compress PDF documentsCompress images (JPG, PNG)Three compression levels
💼 Business
(0)
free with in-app purchases
18
PDF Compressor : Compress Size
PDF Compressor : Compress Size
PDF Compressor : Compress Size
PDF Compressor Minify PDF Size
Free
📊 Productivity
(0)
19
PDF Compressor: To Any Size
PDF Compressor: To Any Size
PDF Compressor: To Any Size
Merge, split & compress PDF
Free
🔧 Utilities
(0)
20
Compress PDF, Shrink & Slim
Compress PDF, Shrink & Slim
Compress PDF, Shrink & Slim
Reduce file size, merge, split
Free
📊 Productivity
(0)

FAQ about PDF File Compressor

What are the best pdf file compressor apps for iPhone?
PDF Compressor : Compress PDF tops our pdf file compressor apps ranking as of August 2026, with a 4.7-star average from 650 App Store ratings, and it's free to download.
Yes — 20 of the top pdf file compressor apps we rank are free to download, including PDF Compressor : Compress PDF and PDF it All Document Converter.
PDF Compressor : Compress PDF shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ pdf file compressor 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.