Comparison

NC PDF Merge 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

NC PDF Merge

Easily combine multiple PDF files into a single document. This app also offers tools to compress PDFs, scan documents with your camera, and sort pages before merging. Enjoy a clean interface for efficient PDF management.

Highlights
  • Merge multiple PDFs
  • Compress PDF file size
  • Scan documents to PDF
  • Drag and drop sorting
  • Cut and rotate pages
  • Live PDF preview
  • Share and export PDFs
Read full description

Key Features • Merge PDFs instantly – Combine multiple files into one clean document in seconds. • Compress single PDFs – Reduce the file size of individual PDF documents. • Compress merged PDFs – Optimize file size for easier sharing and storage. • Drag & drop sorting – Easily reorder your PDFs before merging. • Scan documents – Use your camera to create PDFs on the go. • Cut pages – Remove pages above or below with a single tap. • Rotate PDFs – Fix orientation issues instantly. • Live preview – Open PDFs before merging and remove pages if needed. • File size overview – Compare file size before and after merging or compression. • Share & export – Quickly share your PDFs anywhere. • Optional watermark removal – View and export PDFs without watermarks. • Clean & minimal design – No distractions, just what you need. • NC File Manager integration – Transfer PDFs directly via shared container.

About

PDF Compressor

Easily reduce the size of PDF files by up to 90% without sacrificing quality. This tool offers multiple compression levels and batch processing, making it ideal for emailing documents, saving storage, and meeting upload size limits.

Highlights
  • Compress PDFs up to 90%
  • 6 compression levels
  • Batch compression
  • Organize with folders
  • Secure file processing
  • Manage and preview files
Features
Read full description

Compress PDF files in seconds — reduce file size by up to 90% without losing quality! PDF Compressor is the fastest and easiest way to compress PDF files right from your iPhone or iPad. Whether you need to email a large document, save storage space, or upload a PDF with a size limit, our powerful compression engine shrinks your files while keeping them crystal clear. WHY CHOOSE PDF COMPRESSOR? SUPER FAST COMPRESSION Compress your PDF files in just a few taps. Import, choose a quality level, and get your compressed PDF in seconds. UP TO 90% SMALLER Dramatically reduce PDF file size. Turn a 30 MB document into just a few hundred KB — perfect for email attachments, messaging apps, and online uploads. 6 COMPRESSION LEVELS Choose the perfect balance between size and quality: • No Quality Loss – keeps original quality (~10% reduction) • Light Compression – best for text-heavy documents (~30%) • Balanced – great for long-term storage (~50%) • Web Optimized – ideal for sharing online or by email (~55%) • Screen Optimized – perfect for reading on screens (~60%) • Print Quality – high-quality output ready for printing (~40%) BATCH COMPRESSION Compress multiple PDF files at the same time and save hours of work. ORGANIZE WITH FOLDERS Create folders to keep your work, school, and personal PDFs perfectly organized. Share an entire folder at once. MANAGE YOUR FILES Open, preview, share, rename, move, or delete your compressed PDFs anytime. Track your total storage saved and average reduction right from the home screen. YOUR PRIVACY MATTERS Your files are processed securely and deleted immediately after compression. We never store or access your documents. BEAUTIFUL DESIGN A clean, modern interface that automatically adapts to light & dark mode, with full support for the latest iOS design. PERFECT FOR: • Students – compress lecture notes, assignments, and study materials • Professionals – email contracts, reports, and presentations without size limits • Everyone – free up storage space on your device and in the cloud HOW IT WORKS: 1. Import your PDF files from Files, or any app 2. Choose your compression level 3. Tap "Compress now" and you're done! Your compressed PDFs are ready to share, save, or organize in seconds. PREMIUM SUBSCRIPTION PDF Compressor offers optional in-app purchases and auto-renewable subscriptions to unlock unlimited compressions and premium features. • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage and cancel your subscriptions anytime in your App Store account settings after purchase. • Any unused portion of a free trial period will be forfeited when you purchase a subscription. Privacy Policy: https://techcreativelab.com/apps/pdf-compressor/privacy.html Terms of Use: https://techcreativelab.com/apps/pdf-compressor/terms.html Download PDF Compressor now and make your PDFs smaller, faster, and easier to share!

Screenshots

NC PDF Merge4 screens
PDF Compressor4 screens

Verdict

The call

The clearest difference is update cadence: PDF Compressor at every 3 days against NC PDF Merge's every 3 weeks. PDF Compressor also leads on iOS requirement (18.0 vs 26.2). On price, ads, 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. NC PDF Merge sells 1 one-off in-app purchase and PDF Compressor sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

NC PDF Merge ships an update every 3 weeks, PDF Compressor every 3 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
NC PDF Merge versus PDF Compressor: the parameters behind the verdict, then further details
ParameterNC PDF MergePDF Compressor
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.218.0 — better
Further details — not scored
Size4 MB26 MB
Age rating4+4+
DeveloperMartin NeiferTechCreative Lab LLC

Customer experience

NC PDF Merge

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PDF Compressor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

NC PDF Merge

One-time1
  • Remove Watermark$1.99
3 purchases

PDF Compressor

Subscriptions3
  • Week$1.997 Days
  • Month$6.991 Month
  • Year$29.991 Year

Questions

Is NC PDF Merge free?
NC PDF Merge 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 NC PDF Merge or PDF Compressor have ads?
Neither NC PDF Merge nor PDF Compressor shows ads.
Which is updated more often, NC PDF Merge or PDF Compressor?
NC PDF Merge ships an update every 3 weeks, and PDF Compressor every 3 days. Most recently, NC PDF Merge was updated on November 9, 2026 and PDF Compressor on October 31, 2026.

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