Comparison

PDF Compressor vs Simple 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 app offers tools to reduce the file size of your PDF documents and convert them into other formats. It focuses on improving stability and responsiveness through bug fixes and performance optimizations.

Highlights
  • Compress PDF files
  • Convert PDF to other formats
  • Bug fixes for stability
  • Performance improvements for speed
  • User feedback integration
Features
Read full description

- Bug Fixes: Addressed several known issues based on user feedback to improve overall stability and smoothness during use. - Performance Improvements: Optimized the app’s overall architecture to enhance speed and responsiveness, ensuring a smoother experience with every interaction.

About

Simple PDF Compressor

Easily reduce the size of PDF files or combine multiple documents into a single PDF. Offers three compression levels and allows reordering files before merging. Processed documents can be shared or saved directly to your device.

Highlights
  • Reduce PDF file size
  • Merge multiple PDFs
  • Three compression strengths
  • Reorder files before merging
  • Preview before processing
  • On-device processing
Features
Read full description

Simple and easy PDF compressor & merger. Just select PDFs from the Files app to reduce file size, merge multiple PDFs into one, or merge and compress in one go. Choose from three compression strengths (Light / Balanced / Strong) to fit your use case. Export is seamless—share the processed PDF or save it back to Files, so you can finish sending or submitting documents quickly. ●Key Features 【Create results in seconds】 ・Pick multiple PDFs from Files ・Review selected PDFs in a clean list ・Reorder files by drag & drop before merging 【Compress PDFs to reduce size】 ・Compress each PDF individually ・Choose 3 levels: Light / Balanced / Strong ・Great for image-heavy PDFs (scans, photos, documents with screenshots) 【Merge PDFs into one file】 ・Combine multiple PDFs into a single PDF ・Reorder files before merging ・Perfect for submissions, applications, and archiving 【Merge + Compress】 ・Merge PDFs first, then compress the final file ・Ideal when you want one smaller PDF to share 【Preview before processing】 ・Quick Look preview to confirm the content ・Helpful when thumbnails and filenames aren’t enough 【Easy export】 ・Share via AirDrop, Mail, messaging apps, and more ・Save to Files (iCloud Drive, On My iPhone/iPad, etc.) 【On-device processing】 ・No account required—ready to use right away ・Processing is designed to stay on your device ●Notes ・Text-only PDFs are often already small, so compression may not reduce the size much. ・PDFs with lots of images (scans/photos) usually see the biggest size reduction. For submitting, sharing, or organizing PDFs—compress and merge quickly with a simple, modern workflow.

Screenshots

PDF Compressor4 screens
Simple PDF Compressor4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Compressor at 100% against Simple PDF Compressor's 0%. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 7 level
PDF Compressor versus Simple PDF Compressor: the parameters behind the verdict, then further details
ParameterPDF CompressorSimple PDF Compressor
PriceFreeFree
Positive reviews100.0% of reviews — better0.0% of reviews
Update frequencyEvery 2 monthsEvery 2 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size15 MB11 MB
Age rating4+4+
Developer梓峰 戴MITSUKO MARGOT KUBOTA ONO

Customer experience

PDF Compressor

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Simple PDF Compressor

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

PDF Compressor

No in-app purchases

None

Simple PDF Compressor

No in-app purchases

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with no in-app purchases.
Is Simple PDF Compressor free?
Simple PDF Compressor is free to download, with no in-app purchases.
Do PDF Compressor or Simple PDF Compressor have ads?
Both PDF Compressor and Simple PDF Compressor show ads.
Which is updated more often, PDF Compressor or Simple PDF Compressor?
PDF Compressor ships an update every 2 months, and Simple PDF Compressor every 2 months. Most recently, PDF Compressor was updated on September 28, 2026 and Simple PDF Compressor on October 7, 2026.

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