Comparison

PDF Compressor vs PDF Compressor

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

Head to head
About

PDF Compressor

Features
Read full description

Compresso helps you reduce PDF file size quickly while keeping documents clear and readable. Compress, save space, and share smaller PDFs in just a few taps. Everything runs directly on your iPhone for speed and privacy. Key features: โ€ข Fast on-device PDF compression โ€ข Multiple compression levels for size vs quality โ€ข Preserve readability for text-heavy files โ€ข Works great for scans, reports, and forms โ€ข Simple, clean workflow: import, compress, share โ€ข Compression history for easy tracking โ€ข Optional Face ID app lock โ€ข Private processing โ€” files stay on your device Pro subscription: Compresso Pro includes unlimited compression with Weekly or Annual plans. Subscription details: โ€ข Payment is charged to your Apple ID at confirmation of purchase โ€ข Subscription renews automatically unless canceled at least 24 hours before the end of the current period โ€ข Your account is charged for renewal within 24 hours before the end of the current period โ€ข You can manage or cancel your subscription anytime in App Store account settings Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://1kbapps.com/pdf-crush-support-privacy-terms/

About

PDF Compressor

Features
Read full description

PDF Compressor & Photo Optimizer โ€” Everything on your iPhone, nothing in the cloud. Shrink PDFs and photos by up to 95% while you blink eyes. No internet required. No uploads. Your files never leave your device. --------------------------------- WHAT YOU CAN DO --------------------------------- COMPRESS PDF Reduce PDF file size with adjustable quality levels. Perfect for email attachments, web uploads, and freeing up storage. COMPRESS PHOTOS Shrink JPEG, PNG and HEIC images while keeping them sharp and shareable. SELECT & SPLIT PAGES Pick only the pages you need from any PDF using a visual thumbnail grid. MERGE & JOIN PDFs Combine multiple PDFs or images into a single document in seconds. PASSWORD LOCK & UNLOCK Protect sensitive PDFs with a password or remove password from encrypted files โ€” all on-device, no cloud key storage. RECENT FILES Instantly access and re-share your recently compressed or edited files. ADD SIGNATURE Append signature to your PDFs and share them instantly ----------------------------------------- WHY CHOOSE PDF COMPRESSOR ----------------------------------------- 100% on-device - your documents never leave your iPhone or iPad No account, no subscription required to get started Works offline - compress on a plane, in a meeting, anywhere Supports Files app - open and save directly from iCloud, Dropbox and more iPad & Mac (Apple Silicon) ready Perfect for students, professionals, lawyers, and anyone who handles PDFs regularly.

Screenshots

PDF Compressor4 screens
PDF Compressor4 screens

Verdict

The call

The clearest difference is ads: PDF Compressor at none against PDF Compressor's shown. PDF Compressor's advantage is update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $2.99 per 7 days and PDF Compressor sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Compressor ships an update every 3 months, PDF Compressor every 3 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

Scorecard2 real differences ยท 4 level
PDF Compressor versus PDF Compressor: the parameters behind the verdict, then further details
ParameterPDF CompressorPDF Compressor
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 weeks โ€” better
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.616.2 โ€” better
Further details โ€” not scored
Size2 MB31 MB
Age rating4+4+
DeveloperVikram SinghSwetha MB

In-app purchases

2 purchases

PDF Compressor

Subscriptions2
  • CrushPDF Premium Weekly$2.997 Days
  • CrushPDF Premium Annual$19.991 Year
3 purchases

PDF Compressor

Subscriptions3
  • Unlock All Photo PDF functionality$2.991 Month
  • Unlock All Photo PDF functionality$9.996 Months
  • Unlock All Photo PDF functionality$14.991 Year

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Do PDF Compressor or PDF Compressor have ads?
PDF Compressor shows ads; PDF Compressor does not.
Which is updated more often, PDF Compressor or PDF Compressor?
PDF Compressor ships an update every 3 months, and PDF Compressor every 3 weeks. Most recently, PDF Compressor was updated on September 17, 2026 and PDF Compressor on September 9, 2026.

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