Comparison

Smart PDF Compressor vs PDF Compressor

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

Head to head
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.

About

PDF Compressor

Features
Read full description

Make any PDF small enough to send. Pick a size (5 MB, 10 MB, anything) and PDF Compressor hits it. No guessing between "low, medium, high" quality settings, and no uploading your documents to someone's server: compression runs entirely on your iPhone and iPad. WHY PDF COMPRESSOR • Exact size targets: tap 1, 2, 5, 10 or 25 MB, or type any number you want with Premium. The result fits the limit every time. • 100% offline and private: your contracts, scans and statements never leave the device. No uploads, no account, no tracking. • Keeps text sharp: smart mode preserves selectable, searchable text whenever possible, and tells you when it did. • Preview before you send: open the compressed PDF right in the app and check the quality, with the exact savings on the row. • Batch mode: compress up to 20 PDFs in one run (Premium). • Works everywhere: pick files from the Files app, or send a PDF straight from Mail with "Open in PDF Compressor". • Savings history: track every megabyte you have freed, day by day. MADE FOR • Emailing scans that are over the attachment limit • Uploading documents to portals with strict size caps • Sending contracts and reports through chat apps • Archiving old scans without filling your storage FREE EVERY DAY One PDF a day, up to 20 MB, at full quality. No watermark, no sign-up, no ads. PDF COMPRESSOR PREMIUM Any file size, unlimited compressions, batch mode up to 20 files, custom size targets and PDF info removal. Premium is available as a weekly or yearly auto-renewable subscription. Subscriptions auto-renew until canceled. Cancel anytime in your Apple ID Subscriptions settings at least 24 hours before the renewal date. Privacy policy: https://app.innovaapps.ai/privacy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Smart PDF Compressor4 screens
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 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. Smart PDF Compressor asks for nothing beyond the download.

UpkeepUpdate frequency

Smart PDF Compressor ships an update every 9 days, PDF Compressor every 2 months. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Smart PDF Compressor versus PDF Compressor: the parameters behind the verdict, then further details
ParameterSmart PDF CompressorPDF Compressor
PriceFreeFree
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperQuan DangAlex Gameli Heyman

In-app purchases

None

Smart PDF Compressor

No in-app purchases

2 purchases

PDF Compressor

Subscriptions2
  • Weekly$4.997 Days
  • Yearly$24.991 Year

Questions

Is Smart PDF Compressor free?
Smart PDF Compressor is free to download, with no in-app purchases.
Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Do Smart PDF Compressor or PDF Compressor have ads?
Neither Smart PDF Compressor nor PDF Compressor shows ads.
Which is updated more often, Smart PDF Compressor or PDF Compressor?
Smart PDF Compressor ships an update every 9 days, and PDF Compressor every 2 months. Most recently, Smart PDF Compressor was updated on September 19, 2026 and PDF Compressor on September 28, 2026.

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