Comparison

PDF Combiner vs PDF Compressor ・ PDF Converter

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

Head to head
About

PDF Combiner

Easily manage PDF files with a user-friendly interface. Merge, split, and extract pages from documents offline. Convert images to PDF and secure your files with passwords.

Highlights
  • Merge PDF documents
  • Split PDF into pages
  • Extract specific pages
  • Document scanner
  • Set/remove PDF password
  • Images to PDF converter
  • Compress and resize images
Features
Read full description

A practical PDF editor and PDF converter built for clear everyday document work. The app gives you a simple way to organize, edit, convert, and prepare PDF documents without relying on complicated software or web-based tools. It is designed for users who need a dependable PDF workflow for work, study, and personal files. Most tools work offline and process documents directly on your device. This helps you work with important files while keeping them under your control, especially when online PDF services are restricted. The only tool that requires an internet connection is Office to PDF, used for converting Word, Excel, and PowerPoint files to PDF. Base PDF tools: • Merge PDF. Combine multiple PDF documents and images into one PDF file. • Images to PDF. Create PDF documents from photos, scans, and image files. • Extract PDF Pages. Save selected pages from a PDF as a new document. • Edit PDF Pages. Reorder, rotate, or delete pages in a PDF document. • Split PDF. Break one PDF document into smaller PDF files. • Scan Documents. Capture documents with your camera and save them as high-quality PDF files. • Protect PDF. Add or remove password protection from a PDF document. Removing protection requires the correct password. • Add Page Numbers to PDF. Place page numbers where you need them in a document. • Align PDF Page Width. Align page width across a PDF document for a more consistent layout. • Text Recognition OCR. Recognize text in scanned documents and images. • Sign PDF. Add a signature to a PDF document. • Compress and Resize Photos. Reduce image file size and adjust image dimensions. Some tools are available in the Pro version: • Compress PDF. Reduce PDF file size for easier sharing and storage. • Office to PDF. Convert Word, Excel, and PowerPoint files to PDF. This tool requires an internet connection. • Photo Templates for PDF. Turn photos into styled PDF documents using templates. • PDF to Images. Export selected PDF pages or a full PDF document as image files. • Add Watermark to PDF. Add text or image watermarks to PDF documents. Privacy Policy https://docs.google.com/document/d/1Ey7ZxLODDc1tQ1_N08LCTCwsi2jnHXEbMZugFv_AiUk/edit?usp=sharing Terms of Use https://docs.google.com/document/d/1BjWeGxiOgNmTs-eCTKq5Y0LfgDBe_sVHDS1h22ZsZ9w/edit?usp=sharing

About

PDF Compressor ・ PDF Converter

Easily convert, scan, compress, and edit documents into PDFs. This tool offers smart camera features for accurate scanning, flexible compression options to save space, and the ability to merge or convert files. Keep your documents organized and secure with password protection.

Highlights
  • Convert photos, files, and scans to PDF
  • Smart camera for auto-detection and cropping
  • Compress PDFs with quality settings
  • Merge multiple PDFs
  • Convert PDFs to JPG or ZIP
  • Password protect sensitive documents
  • Edit and reorder PDF pages
Features
Read full description

Turn your iPhone into a powerful, easy-to-use PDF machine. Whether you need to convert, scan, compress, edit or keep your documents safe — PDF Converter has you covered. Here’s what you can do: ・ Convert photos, files, or camera scans into PDFs in seconds ・ Use the smart camera (Apple Vision-powered) to auto-detect document edges, auto-shoot, crop, and apply filters ・ Compress PDFs with flexible quality settings — save space without losing clarity ・ Merge multiple PDFs into one clean file ・ Convert PDFs to JPG (with quality options) or ZIP archives ・ Keep your conversion history neatly organized — search and sort your files easily ・ Lock sensitive documents with a password ・ Reorder or delete pages ・ Edit, adjust and enhance PDF pages Super optimized processing will help you process hundreds of pages without delays and errors 
Students scanning notes. Office workers tidying paperwork. Freelancers sending contracts. Anyone who wants full control over their PDFs — right from their phone. If you want your PDFs exactly the way you want them — with no fuss — PDF Converter is for you. Download it today and see how easy PDF can be. Privacy Policy: http://rjpups.com/converter/privacypolicy Terms of Use: https://rjpups.com/converter/terms Support: https://rjpups.com/pdfconverter/support

Screenshots

PDF Combiner4 screens
PDF Compressor ・ PDF Converter4 screens

Verdict

The call

The clearest difference is ads: PDF Combiner at none against PDF Compressor ・ PDF Converter's shown. PDF Combiner also leads on ratings volume (293 vs 73). PDF Compressor ・ PDF Converter's advantage is update cadence (every 5 days vs every 2 weeks) and iOS requirement (15.6 vs 18.0). On price, rating, in-app purchases and monetization model 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 Combiner sells 11 in-app purchases, starting at $3.99 per month and PDF Compressor ・ PDF Converter sells 9 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for PDF Combiner against 4.8 for PDF Compressor ・ PDF Converter. Both are backed by a comparable volume of ratings — 293 and 73 respectively.

UpkeepUpdate frequency

PDF Combiner ships an update every 2 weeks, PDF Compressor ・ PDF Converter every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Combiner versus PDF Compressor ・ PDF Converter: the parameters behind the verdict, then further details
ParameterPDF CombinerPDF Compressor ・ PDF Converter
PriceFreeFree
Rating4.8 (293 ratings)4.8 (73 ratings) — better
Positive reviews77.3% of reviews—
Number of ratings293 — better73
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS18.015.6 — better
Further details — not scored
Size20 MB41 MB
Age rating4+4+
DeveloperEvgeniy KonevRIJIPUPS OU

Customer experience

PDF Combiner

All ratings293 ratings
Positive95.2%
Neutral1.7%
Negative3.1%
Written reviews22 reviews
Positive77.3%
Neutral9.1%
Negative13.6%

PDF Compressor ・ PDF Converter

All ratings70 ratings
Positive95.7%
Neutral2.9%
Negative1.4%

Bugs and requests

PDF Combiner

Reported bugs

2 issues
  • Password remover not working
  • Saving/resolution issues

Requested features

5 requests
  • Add OCR function
  • Implement cropping/resizing
  • Extend PDF merge limit
  • Improve free version features
  • Clarify "forever" option

PDF Compressor ・ PDF Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

PDF Combiner

Subscriptions7
  • Monthly7 Days trial$3.991 Month
  • Pro Weekly$4.997 Days
  • Yearly3 Days trial$9.991 Year
Show 4 more
  • Monthly$9.991 Month
  • 6 Months3 Days trial$24.996 Months
  • Pro Yearly7 Days trial$29.991 Year
  • Pro Yearly3 Days trial$29.991 Year
One-time4
  • Special offer$4.99
  • Pro-version$6.99
  • PRO Forever Special$24.99
Show 1 more
  • PRO Forever$49.99
9 purchases

PDF Compressor ・ PDF Converter

Subscriptions9
  • PDF Converter PRO3 Days trial$4.997 Days
  • PDF Converter PRO3 Days trial$6.997 Days
  • PDF Converter PRO7 Days trial2 variants$6.997 Days
Show 6 more
  • PDF Converter PRO$6.997 Days
  • PDF Converter PRO14 Days trial$7.997 Days
  • PDF Converter PRO1 Month trial$11.991 Month
  • PDF Converter PRO3 Days trial$19.991 Month
  • PDF Converter PRO$99.991 Year
  • PDF Converter PRO$119.991 Year

Questions

Is PDF Combiner free?
PDF Combiner is free to download, with in-app purchases available.
Is PDF Compressor ・ PDF Converter free?
PDF Compressor ・ PDF Converter is free to download, with in-app purchases available.
Which has better reviews, PDF Combiner or PDF Compressor ・ PDF Converter?
PDF Compressor ・ PDF Converter is rated higher. PDF Combiner averages 4.8 out of 5 from 293 ratings, while PDF Compressor ・ PDF Converter averages 4.8 from 73 ratings.
Do PDF Combiner or PDF Compressor ・ PDF Converter have ads?
PDF Compressor ・ PDF Converter shows ads; PDF Combiner does not.
Which is updated more often, PDF Combiner or PDF Compressor ・ PDF Converter?
PDF Combiner ships an update every 2 weeks, and PDF Compressor ・ PDF Converter every 5 days. Most recently, PDF Combiner was updated on October 25, 2026 and PDF Compressor ・ PDF Converter on October 28, 2026.

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