Comparison

PDF Converter 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

PDF Converter

Easily convert photos and various document types into high-quality PDF files. This tool also allows you to split existing PDFs or merge multiple PDF documents into a single file.

Highlights
  • Convert photos to PDF
  • Import and merge various file formats (Word, Excel, PPT) to PDF
  • Split PDF files
  • Merge multiple PDF files
  • High-quality PDF creation
Features
Read full description

This professional PDF app helps you handle documents quickly and efficiently. With a clean interface and powerful features, managing PDFs has never been easier. FEATURES - PDF Converter: Convert images and documents into high-quality PDF files. - Split and Merge PDF: Easily split large PDFs or merge multiple files into one organized document. - Compress PDF: Reduce file size while maintaining quality, making sharing and storage easier. - Protect PDF: Secure your files with password protection to keep your information safe. - Manage PDF: Organize, rename, and manage your PDF files with ease. - Scan PDF: Scan documents anytime, anywhere and instantly turn them into PDFs. SUBSCRIPTION - Subscriptions are available on a weekly, monthly, or yearly basis. Your subscription will automatically renew based on the selected plan. - Payment will be charged to your Apple ID account upon confirmation of purchase. - Your account will be charged for renewal within 24 hours prior to the end of the current period. - Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. - You can manage or cancel your subscription in your App Store account settings: https://support.apple.com/en-us/HT202039 Privacy Policy: https://best.kirable.com/links/PDFConverter/PrivacyPolicy Terms of Service: https://best.kirable.com/links/PDFConverter/UserAgreement

About

PDF Compressor

Read full description

PDF Compressor is a fast, simple, and privacy-focused tool for reducing PDF file size on your iPhone and iPad. — COMMON PROBLEMS WE SOLVE — • Application system says "PDF must be under 2MB" but yours is 8MB • Exam registration (civil service, teaching certification, GRE, IELTS) requires smaller PDFs • Visa and passport scans are too large for embassy upload portals • Email attachments exceed the 25MB limit • Contracts, invoices, and resumes need to be smaller for sharing • Academic journal submission systems have strict PDF size limits If any of these sound familiar, PDF Compressor can fix it in seconds. — KEY FEATURES — COMPRESS TO A SPECIFIC TARGET SIZE Choose your target and let the app handle the rest: • 500KB — For strict application forms • 1MB — For exam registrations • 2MB — Most common, works for most upload systems • 5MB — For visa and passport documents • 10MB — For email attachments and file sharing • Custom — Set any target size you need CLEAR RESULTS • See original size vs. compressed size • View compression ratio (e.g., reduced by 78%) • Know immediately if your target was met • Preview the compressed PDF to verify readability SAVE & SHARE • Save to iCloud Drive, local folders, or other locations • Share via Messages, Mail, AirDrop, or any app • Smart file naming for easy organization • Batch compress multiple PDFs with Pro — PRIVACY FIRST — 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. — PLEASE NOTE — Compression results vary by PDF type: • Scanned / image-heavy PDFs — Typically see 50%–90% size reduction • Text-only PDFs — Already small; limited compression possible • If the target isn't met, try a larger target — PDF COMPRESSOR PRO — Free users can compress up to 1 time per day. Upgrade to Pro for: • Unlimited PDF compression • Custom target sizes • Batch compression for multiple PDFs • 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. — IN-APP PURCHASES & SUBSCRIPTIONS TERMS — • 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. • 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. • 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. • Restore Purchases: If you have previously unlocked Pro, you can reactivate it by clicking "Restore Purchases" on the paywall or settings screen. • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Questions or feedback? Reach us through Settings > Contact Us.

Screenshots

PDF Converter4 screens
PDF Compressor4 screens

Verdict

The call

The clearest difference is ads: PDF Compressor at none against PDF Converter's shown. PDF Compressor also leads on update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, 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 Converter sells 2 in-app purchases, starting at $2.99 per month and PDF Compressor sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Converter ships an update every 2 months, PDF Compressor every 3 weeks. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Converter versus PDF Compressor: the parameters behind the verdict, then further details
ParameterPDF ConverterPDF Compressor
PriceFreeFree
Rating4.8 (531 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings531 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size39 MB7 MB
Age rating4+4+
Developer晓珍 胡荣晖 丁

Bugs and requests

PDF Converter

Reported bugs

2 issues
  • App does not convert files as advertised
  • Invasive advertising slows down operations

Requested features

1 request
  • Open PDF page

PDF Compressor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

PDF Converter

Subscriptions2
  • Monthly Plan$2.991 Month
  • Annual Plan$9.991 Year
3 purchases

PDF Compressor

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

Questions

Is PDF Converter free?
PDF Converter 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 Converter or PDF Compressor have ads?
PDF Converter shows ads; PDF Compressor does not.
Which is updated more often, PDF Converter or PDF Compressor?
PDF Converter ships an update every 2 months, and PDF Compressor every 3 weeks. Most recently, PDF Converter was updated on October 19, 2026 and PDF Compressor on October 12, 2026.

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