Comparison

Smallpdf vs Merge Pdf

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

Head to head
About

Smallpdf

This app offers a comprehensive suite of tools to manage PDF documents. Easily convert, edit, compress, sign, merge, and scan PDFs using your mobile device. It also features OCR technology to convert scanned documents into editable text.

Highlights
  • Convert PDFs to Word, Excel, PPT, JPG, PNG
  • Edit PDFs with text, images, and annotations
  • Compress PDFs to reduce file size
  • Sign PDFs electronically
  • Merge multiple PDF files
  • Scan documents to PDF with OCR
  • Fill out PDF forms
Features
Read full description

Smallpdf: All-In-One PDF Editor and Document Organizer Smallpdf is your go-to PDF tool, designed to simplify your document management. Whether you need to convert, compress, edit, sign, merge, or scan PDFs, our app makes it effortless. Trusted by 2.4 billion people since 2013, Smallpdf offers a seamless PDF experience right at your fingertips. Key Features: Convert PDFs Across All Document Formats Easily: PDF to Word doc PDF to Excel PDF to PPT PDF to JPG PDF to PNG Images to PDF and vice versa! Edit PDFs: Add text, images, and shapes directly in your PDF files Add annotations and highlights easily Rotate, delete, and rearrange PDF pages PDF editing tools Compress PDFs: Reduce the file size of your PDFs without compromising quality Optimize PDFs for sharing and saving storage space Shrink PDF files Compress PDF documents Sign PDFs: Add an e-signature to your documents Digitally sign PDFs securely Electronic signatures for PDFs Merge PDFs: Combine multiple PDF files into one Merge PDF documents Scan Documents to PDF: Use your camera to scan documents, receipts, notes, and more into PDFs Enhance scans with automatic cropping and optimization Convert scanned images to selectable text with OCR Scan image to PDF Scan doc to PDF Scan jpg to PDF Scan receipts to PDF OCR Technology: Convert scanned documents into selectable text with our advanced OCR feature Support for multiple languages OCR PDF converter Why Choose Smallpdf? User-Friendly Interface: Intuitive and easy to navigate, making PDF tasks simpler than ever. Cloud Integration: Access and save your files directly from your local device storage. Privacy and data protection: All uploaded files deleted 1 hour after processing (unless saved locally or to the cloud) Cross-Platform Availability: All major operating systems. Work on your PDFs anytime, anywhere. Fast and Reliable: Quick processing times ensure you can get your work done efficiently. High Security: We prioritize your privacy and data security, complying with GDPR standards. Additional Features: PDF Reader: View and read PDF documents with ease. PDF Scanner: Quickly scan and digitize your paper documents. PDF Filler: Fill out PDF forms and documents electronically. PDF Maker: Create PDFs from various file formats effortlessly. PDF Annotator: Highlight, underline, and strikethrough text in your PDFs. Download Smallpdf Now! Smallpdf is free within a daily task limit. If you would like to try out Smallpdf Pro for unlimited conversions across ALL tools, there’s a free 7-day trial available. The Smallpdf Mobile App is the all-in-one solution for all your document management needs. Simplify your tax return or scan in receipts easily using your camera to save, edit, and manage thousands of documents in all formats. Save backups on the drive or share directly to email to manage your documents on the go! Join 2.4B+ satisfied users and simplify your PDF tasks today. Download Smallpdf and enjoy a free trial of all premium features. Privacy policy: https://smallpdf.com/privacy Terms of use: https://smallpdf.com/support We love feedback, so feel free to send yours to support@smallpdf.com.

About

Merge Pdf

Features
Read full description

Tired of sending multiple PDF files separately? Merge PDF files into one clean document in seconds. This fast and offline PDF merger lets you combine, organize, and manage files directly on your iPhone—without watermarks or complicated steps. Whether you're dealing with work documents, study notes, or scanned files, this app helps you combine PDFs بسرعة, securely, and without losing quality. Features: Merge Multiple PDF Files Combine unlimited PDF files into one organized document instantly. Fast & Offline Processing No uploads. No waiting. Everything works مباشرة on your device. No Watermark Your files stay clean and professional—always. Smart File Management: Reorder pages before merging Combine images into PDF Split large PDF files Compress file size Real Use Cases (Conversion psychology) Merge assignments into one PDF Combine invoices & reports Join scanned documents Create one file for email sharing Organize contracts & forms Differentiation (Kill competitors softly) Unlike heavy apps like Adobe Acrobat Reader or bloated tools like iLovePDF, this app focuses on one thing: Fast, simple PDF merging that actually works Download now and merge PDF files faster than ever. Combine, organize, and manage your documents with a lightweight and powerful PDF merger built for iPhone. Note: STEP 1: Payment will be charged to your iTunes account at confirmation of purchase. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current subscription period. STEP 2: Your account will be charged for renewal within 24 hours before the end of the current subscription period. Automatic renewals will cost the same price you were originally charged for the subscription. STEP 3: You can manage your subscriptions and turn off auto-renewal by going to your Account Settings on the App Store after purchase. Read our terms of service and Privacy Policy for more information. Terms of Use: https://sites.google.com/view/namigamesstudio/terms-of-use Privacy Policy: https://sites.google.com/view/mergepdfapp?usp=sharing

Screenshots

Smallpdf4 screens
Merge Pdf4 screens

Verdict

The call

The clearest difference is update cadence: Smallpdf at every 2 weeks against Merge Pdf's every 2 months. On price, ads, in-app purchases and device support 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. Smallpdf sells 8 in-app purchases, starting at $7.99 per month and Merge Pdf sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Smallpdf ships an update every 2 weeks, Merge Pdf every 2 months. The most recent releases landed on October 22, 2026 and October 17, 2026 respectively.

Scorecard1 real difference · 9 level
Smallpdf versus Merge Pdf: the parameters behind the verdict, then further details
ParameterSmallpdfMerge Pdf
PriceFreeFree
Rating4.8 (6.9K ratings) — better—
Positive reviews67.7% of reviews—
Number of ratings6.9K — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size112 MB11 MB
Age rating4+4+
DeveloperSmallpdfMomina Khalid

Bugs and requests

Smallpdf

Reported bugs

5 issues
  • Files not saving properly
  • Conversion issues with larger documents
  • Unexpected crashes and freezes
  • Compatibility problems with older devices
  • Incorrect file content after compression

Requested features

5 requests
  • Add more color options for annotations
  • Improve search functionality for saved documents
  • Enhance iPad compatibility
  • Allow inserting images into PDFs
  • Provide better file management and organization

Merge Pdf

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Smallpdf

Subscriptions8
  • Monthly Plan7 Days trial2 variants$7.991 Month
  • Monthly Plan7 Days trial2 variants$11.991 Month
  • Monthly Plan7 Days trial$14.991 Month
Show 5 more
  • Yearly Plan7 Days trial2 variants$49.991 Year
  • Yearly Plan7 Days trial$59.991 Year
  • Yearly Plan$107.991 Year
  • Yearly Plan7 Days trial$107.991 Year
  • Yearly Plan7 Days trial$119.991 Year
2 purchases

Merge Pdf

Subscriptions2
  • Weekly Premium$4.997 Days
  • Yearly Premium$29.991 Year

Questions

Is Smallpdf free?
Smallpdf is free to download, with in-app purchases available.
Is Merge Pdf free?
Merge Pdf is free to download, with in-app purchases available.
Do Smallpdf or Merge Pdf have ads?
Neither Smallpdf nor Merge Pdf shows ads.
Which is updated more often, Smallpdf or Merge Pdf?
Smallpdf ships an update every 2 weeks, and Merge Pdf every 2 months. Most recently, Smallpdf was updated on October 22, 2026 and Merge Pdf on October 17, 2026.

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