Comparison

PDF Compressor vs Smart PDF Compressor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Compressor

This utility app quickly reduces the file size of PDFs by up to 90% while preserving quality. It offers adjustable compression levels and allows for batch processing, making it ideal for sharing and storage.

Highlights
  • Up to 90% size reduction
  • Adjustable compression levels
  • Batch processing
  • Offline use
  • Quality preservation
  • Instant results
Features
Read full description

PDF Compressor - Shrink PDF Files Instantly OUR SOLUTION: PDF Compressor reduces your PDF file size by up to 90% while maintaining quality! KEY FEATURES: LIGHTNING FAST Compress PDFs in seconds Batch process multiple files No waiting, instant results SMART COMPRESSION Intelligent size reduction Quality preservation technology Adjustable compression levels EASY SHARING Perfect for email attachments Cloud storage optimization Quick share to any app PRIVATE & SECURE Your files never leave your device No internet connection required Complete data privacy COMPRESSION LEVELS: Light - Minimal quality loss Medium - Balanced reduction High - Maximum file savings PERFECT FOR: Business documents Email attachments Cloud storage Mobile sharing Website uploads WHY CHOOSE US: Up to 90% size reduction Preserves text clarity Maintains image quality No watermarks Completely free to use Download now and never worry about large PDF files again! Subscription Details: • Title: Savory All Access • Length: 1 year • Price: $39.99 per year and $4.99 per month (auto-renews) • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://docs.google.com/document/d/1vS7CIsms1Gq-7mHP7Z-Cw6_0xqL9Ptd-cc4M6HlYRsQ/edit?usp=sharing

About

Smart PDF Compressor

Features
Read full description

Compress PDF files instantly on your iPhone and iPad. Smart PDF Compressor reduces file sizes by up to 95% while maintaining readable quality — perfect for sharing via email, messaging apps, or cloud storage. ALL PROCESSING IS LOCAL Your documents never leave your device. No internet connection required, no cloud uploads, no data collection. Complete privacy guaranteed. KEY FEATURES - Smart Compression: Automatically detects scanned vs. digital PDFs and applies optimal compression settings - Three Presets: Light (best quality), Standard (balanced), and Maximum (smallest file size) - Batch Compression: Compress multiple PDFs at once with progress tracking - Full Control: Adjust image quality, resolution (72-300 DPI), and grayscale conversion - Side-by-Side Preview: Compare original and compressed versions before saving - File History: Browse, preview, rename, and share all your compressed files - Native iPad Support: Full iPad experience with tab bar navigation HOW IT WORKS 1. Tap + to select a PDF from Files 2. Choose your compression level or customize settings 3. Tap Compress and see the results instantly 4. Share or save your compressed PDF PERFECT FOR - Reducing email attachment sizes - Saving storage space on your device - Compressing scanned documents - Preparing files for upload to web forms - Sharing large PDFs via messaging apps Smart PDF Compressor uses Apple's PDFKit and advanced image processing to deliver fast, reliable compression without sacrificing readability.

Screenshots

PDF Compressor3 screens
Smart PDF Compressor4 screens

Verdict

The call

The clearest difference is in-app purchases: Smart PDF Compressor at none against PDF Compressor's 2. Smart PDF Compressor also leads on update cadence (every 9 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $7.99 per month. Smart PDF Compressor asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Compressor ships an update every 6 months, Smart PDF Compressor every 9 days. The most recent releases landed on June 11, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 7 level
PDF Compressor versus Smart PDF Compressor: the parameters behind the verdict, then further details
ParameterPDF CompressorSmart PDF Compressor
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size24 MB1 MB
Age rating4+4+
DeveloperFenuku KekeliQuan Dang

In-app purchases

2 purchases

PDF Compressor

Subscriptions2
  • All Access for a month$7.991 Month
  • All Access for a year$39.991 Year
None

Smart PDF Compressor

No in-app purchases

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Is Smart PDF Compressor free?
Smart PDF Compressor is free to download, with no in-app purchases.
Do PDF Compressor or Smart PDF Compressor have ads?
Neither PDF Compressor nor Smart PDF Compressor shows ads.
Which is updated more often, PDF Compressor or Smart PDF Compressor?
PDF Compressor ships an update every 6 months, and Smart PDF Compressor every 9 days. Most recently, PDF Compressor was updated on June 11, 2026 and Smart PDF Compressor on September 19, 2026.

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