Comparison

PDF Compressor vs Compress PDF

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

Head to head
About

PDF Compressor

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PDF Compressor is a fast, simple, and privacy-focused tool for reducing PDF file size on your iPhone and iPad. β€” COMMON PROBLEMS WE SOLVE β€” β€’ Application system says "PDF must be under 2MB" but yours is 8MB β€’ Exam registration (civil service, teaching certification, GRE, IELTS) requires smaller PDFs β€’ Visa and passport scans are too large for embassy upload portals β€’ Email attachments exceed the 25MB limit β€’ Contracts, invoices, and resumes need to be smaller for sharing β€’ Academic journal submission systems have strict PDF size limits If any of these sound familiar, PDF Compressor can fix it in seconds. β€” KEY FEATURES β€” COMPRESS TO A SPECIFIC TARGET SIZE Choose your target and let the app handle the rest: β€’ 500KB β€” For strict application forms β€’ 1MB β€” For exam registrations β€’ 2MB β€” Most common, works for most upload systems β€’ 5MB β€” For visa and passport documents β€’ 10MB β€” For email attachments and file sharing β€’ Custom β€” Set any target size you need CLEAR RESULTS β€’ See original size vs. compressed size β€’ View compression ratio (e.g., reduced by 78%) β€’ Know immediately if your target was met β€’ Preview the compressed PDF to verify readability SAVE & SHARE β€’ Save to iCloud Drive, local folders, or other locations β€’ Share via Messages, Mail, AirDrop, or any app β€’ Smart file naming for easy organization β€’ Batch compress multiple PDFs with Pro β€” PRIVACY FIRST β€” PDF Compressor processes everything on your device. Your PDF files are never uploaded to any server. We don't read, store, or share your file content. No third-party analytics, no ad tracking, no data collection. β€” PLEASE NOTE β€” Compression results vary by PDF type: β€’ Scanned / image-heavy PDFs β€” Typically see 50%–90% size reduction β€’ Text-only PDFs β€” Already small; limited compression possible β€’ If the target isn't met, try a larger target β€” PDF COMPRESSOR PRO β€” Free users can compress up to 1 time per day. Upgrade to Pro for: β€’ Unlimited PDF compression β€’ Custom target sizes β€’ Batch compression for multiple PDFs β€’ Ad-free, distraction-free experience Choose from flexible options: a one-time purchase Lifetime Pro (unlocked forever), or flexible Monthly Pro and Yearly Pro auto-renewable subscription plans. β€” IN-APP PURCHASES & SUBSCRIPTIONS TERMS β€” β€’ Plans and Billing: Monthly Pro and Yearly Pro are auto-renewable subscriptions. Lifetime Pro is a one-time purchase. Actual prices are shown on the App Store product page and purchase sheet. β€’ Auto-Renewal: Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions will automatically renew at the same price and duration unless auto-renew is turned off at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours prior to the end of the current period at the cost of the chosen plan. β€’ Manage Subscriptions: You can manage your subscriptions and turn off auto-renewal at any time by going to your App Store Account Settings after purchase. β€’ Restore Purchases: If you have previously unlocked Pro, you can reactivate it by clicking "Restore Purchases" on the paywall or settings screen. β€’ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Questions or feedback? Reach us through Settings > Contact Us.

About

Compress PDF

Features
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That PDF is too big to email or upload? Compress PDF shrinks it down in seconds β€” right on your iPhone, so your documents never leave your device. No ads. No daily limits. No subscription. Pay once. β€’ REAL SIZE REDUCTION β€” re-compresses the pages so scanned and image-heavy PDFs get dramatically smaller. β€’ THREE LEVELS β€” Light, Recommended, or Maximum, so you control quality vs size. β€’ NEVER BIGGER β€” if a PDF is already optimized, we keep your original instead of inflating it. β€’ 100% PRIVATE β€” everything happens on your iPhone. Your documents are never uploaded. β€’ NO ADS, NO SUBSCRIPTION β€” pay once. No "2 free per day" trap, no watermark. Pick a PDF, choose a level, share or save. Done. Best for scanned documents, contracts, and image-heavy PDFs that won't fit an upload limit.

Screenshots

PDF Compressor4 screens
Compress PDF4 screens

Verdict

The call

The clearest difference is update cadence: Compress PDF at weekly against PDF Compressor's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $0.99 per month and Compress PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Compressor ships an update every 3 weeks, Compress PDF weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference Β· 5 level
PDF Compressor versus Compress PDF: the parameters behind the verdict, then further details
ParameterPDF CompressorCompress PDF
PriceFreeFree
Update frequencyEvery 3 weeksWeekly β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS16.016.0
Further details β€” not scored
Size7 MB1 MB
Age rating4+4+
Developer荣晖 丁Jhomar Maravillas

In-app purchases

3 purchases

PDF Compressor

Subscriptions2
  • Monthly Pro$0.991 Month
  • Yearly Pro$2.991 Year
One-time1
  • Lifetime Pro$3.99
1 purchases

Compress PDF

One-time1
  • Unlock Unlimited$4.99

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Is Compress PDF free?
Compress PDF is free to download, with in-app purchases available.
Do PDF Compressor or Compress PDF have ads?
Neither PDF Compressor nor Compress PDF shows ads.
Which is updated more often, PDF Compressor or Compress PDF?
PDF Compressor ships an update every 3 weeks, and Compress PDF weekly. Most recently, PDF Compressor was updated on October 24, 2026 and Compress PDF on October 25, 2026.

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