Comparison

PDF Splitter + PDF Merge vs PDF Viewer by Nutrient

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

Head to head
About

PDF Splitter + PDF Merge

Easily combine multiple PDF files into a single document or extract specific pages from existing PDFs. This tool supports merging password-protected files if the password is known.

Highlights
  • Extract pages from PDF
  • Merge specified pages of multiple PDFs
  • Merge password-protected PDFs
  • Combine PDFs into one
Features
Read full description

PDF Merge & PDF Splitter + is a very easy-to-use app that allows you to quickly merge specified pages of multiple PDFs into one pdf. You can also use it to extract pages from pdf.   Key Features: ● Extract page(s) of PDF. ● Merge specified pages of multiple PDFs into one PDF. ● Merge password-protected PDF, but you must know the password. ● The name is also PDF Merge & PDF Splitter + on the MacOS platform, more powerful and easier to use. ● Contact us If you have any questions, please feel free to contact us by email. Email address : tzq17888@163.com.

About

PDF Viewer by Nutrient

Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.

Highlights
  • View and search PDFs
  • Annotate with highlights and notes
  • Sign documents digitally
  • Fill out PDF forms
  • Organize and share documents
  • Import from cloud services
Features
Read full description

PDF Viewer is a fast and beautiful app, allowing you to view, search, and annotate PDF documents with ease on your iPhone and iPad. Access your files from iCloud, Dropbox, Box, OneDrive, Google Drive or any other cloud solution via Apple's familiar Document Browser interface. +++ Listed as “Productivity lifesaver” on the App Store +++ "A streamlined interface packed with powerful features - it’s like having a desktop-quality PDF toolkit wherever we go" – App Store Editor Notes “I'm impressed by how the folks at PSPDFKit have been able to fine-tune the document browser to the app's needs.” – MacStories.net "If you want a PDF viewer that is designed for reading PDF books, this is it." – App Review VIEW DOCUMENTS ON THE GO • Easily import a PDF from your favorite cloud service provider, email, or directly off a website. • Supports Open In Place, Drag & Drop and features the familiar Apple Document Browser interface from the Files app. • Search for the exact text you are looking for within the document. • Double tap on the screen to Smart Zoom directly to the text you want to read. • Annotate images (JPEG, PNG) non-destructive, just like PDF documents. (PRO) ANNOTATE WITH EASE • While reviewing a document, use your finger or Apple Pencil to highlight and markup text. • Leave comments by adding a note, text, or drawing directly on the PDF. • Add images or audio. • Reply to notes. (PRO) SIGN DOCUMENTS ANYWHERE • Add your signature to any document using your finger or Apple Pencil. • Move and resize your signature as needed. • Flatten a document to ensure the signature doesn’t change. CREATE AND EDIT PDFs • Create new documents from existing documents by moving, rotating, deleting, or adding new pages. • Combine multiple documents into a single one. (PRO) • Add bookmarks to easily return to certain pages in large documents. FILL OUT FORMS • Quickly fill out PDF Forms by adding text to the fields. • Flatten and secure the form once you’re done to ensure the document doesn’t change. • Add a signature to any Form. STORE, ORGANIZE AND SHARE • Store documents, create folders and organize your documents. • Share documents by printing, emailing or saving your edits back any cloud service. PASSWORD PROTECT DOCUMENTS • Read document metadata, title and keywords. • Protect documents with user and owner passwords and limit permissions. (PRO) AND SO MUCH MORE • Conveniently switch to night mode when viewing your documents at night. • Present on external screens without the distraction of toolbars. (PRO) • Have the text from a PDF read out loud to you with text-to-speech. • PDF Viewer remembers where you were down to the page/position where you left off - even across devices. PRICING PDF Viewer comes with a large feature set, completely free. Some advanced features require the purchase of PDF Viewer Pro, available as a subscription. We offer 3-monthly and yearly subscription plans. There’s also a fully functional 7-day trial, so you can test PDF Viewer Pro (including document merging and password editing) before you commit. All plans unlock the app on iPhone and iPad. TRUSTED BY COMPANIES YOU KNOW PDF Viewer is built on top of and powered by PSPDFKit, the same PDF engine trusted around the world by companies like Dropbox, Box, IBM, Atlassian, SAP, and Lufthansa. BE PART OF THE PDF VIEWER COMMUNITY pdfviewer.io twitter.com/pdfviewerapp LEGAL Duration and price of each subscription are displayed in PDF Viewers’ storefront, updated at the time of purchase. Payment will be charged to iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off no later than 24 hours before the end of the current period. Subscriptions and auto-renewal can be managed/turned off in the iTunes account settings. Any unused portion of a free trial period is forfeited as soon as a subscription is purchased. Terms of Use: https://pdfviewer.io/terms Privacy Policy: https://pdfviewer.io/privacy

Screenshots

PDF Splitter + PDF Merge4 screens
PDF Viewer by Nutrient4 screens

Verdict

The call

The clearest difference is ratings volume: PDF Viewer by Nutrient at 9.1K against PDF Splitter + PDF Merge's 139. PDF Viewer by Nutrient also leads on update cadence (monthly vs every 3 months). PDF Splitter + PDF Merge's advantage is review sentiment (88% vs 74%) and iOS requirement (13.0 vs 17.0). On price, rating, 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. PDF Splitter + PDF Merge sells 2 one-off in-app purchases and PDF Viewer by Nutrient sells 2 in-app purchases, starting at $6.99 per 3 months. 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 — 4.5 for PDF Splitter + PDF Merge against 4.6 for PDF Viewer by Nutrient. That said, the two scores are not equally well evidenced: PDF Viewer by Nutrient has 9.1K ratings behind it against 139, so its average is the more settled of the two. Written reviews are what separate them: 88% of PDF Splitter + PDF Merge's written reviews are positive against 74% of PDF Viewer by Nutrient's.

UpkeepUpdate frequency

PDF Splitter + PDF Merge ships an update every 3 months, PDF Viewer by Nutrient monthly. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Splitter + PDF Merge versus PDF Viewer by Nutrient: the parameters behind the verdict, then further details
ParameterPDF Splitter + PDF MergePDF Viewer by Nutrient
PriceFreeFree
Rating4.5 (139 ratings)4.6 (9.1K ratings) — better
Positive reviews88.2% of reviews — better73.6% of reviews
Number of ratings1399.1K — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, MaciPhone, iPad, Mac, Vision Pro
Requires iOS13.0 — better17.0
Further details — not scored
Size4 MB112 MB
Age rating4+4+
Developer青青 余PSPDFKit GmbH

Customer experience

PDF Splitter + PDF Merge

All ratings139 ratings
Positive87.8%
Neutral1.4%
Negative10.8%
Written reviews288 reviews
Positive88.2%
Neutral3.5%
Negative8.3%

PDF Viewer by Nutrient

All ratings9,080 ratings
Positive90.9%
Neutral3.7%
Negative5.4%
Written reviews1,088 reviews
Positive73.6%
Neutral9.7%
Negative16.7%

User reviews

PDF Splitter + PDF Merge

From 139 App Store ratings

What we love

  • 🚀 Easy to use
  • 🚀 Quick and efficient
  • 🚀 Intuitive interface
  • 👍 Reliable and consistent
  • 👍 Excellent value for free app

Room to improve

  • 🐛 Issues with sorting/reordering files
  • 🐛 Limitations on number of files
  • 🔧 Outdated or basic interface design
  • 💰 Requests payment after trial period

PDF Viewer by Nutrient

From 9.1K App Store ratings

What we love

  • 🚀 Seamless integration with iCloud and Files app
  • 👍 Intuitive annotation tools with Apple Pencil
  • 🎨 Versatile highlighting and drawing options
  • 💾 Saves annotations to original PDF files
  • 🔍 Powerful search and navigation features

Room to improve

  • 🐛 Occasional crashes and performance issues
  • 🤔 Confusing UI and steep learning curve
  • 🔀 Difficulty managing and organizing PDF files
  • 🔍 Inconsistent text selection and highlighting
  • 🔒 Privacy concerns around data collection

Bugs and requests

PDF Splitter + PDF Merge

Reported bugs

2 issues
  • Corrupts text in merged PDF documents
  • Paid version does not work as expected

Requested features

4 requests
  • Add page preview functionality
  • Allow merging of other file types (not just PDFs)
  • Improve file sorting/reordering capabilities
  • Provide more customization options

PDF Viewer by Nutrient

Reported bugs

4 issues
  • Annotations randomly disappearing or not saving
  • Incompatibility issues with certain PDF files
  • Scrolling and panning problems on large PDFs
  • Unexpected crashes after iOS updates

Requested features

5 requests
  • Add a rubber/eraser tool for annotations
  • Implement a side-by-side PDF view mode
  • Improve palm rejection and gesture support
  • Allow customization of toolbar and shortcuts
  • Provide better options for PDF file management

In-app purchases

2 purchases

PDF Splitter + PDF Merge

One-time2
  • Unlock(without restriction)$3.99
  • Unlock iOS without restriction$3.99
2 purchases

PDF Viewer by Nutrient

Subscriptions2
  • PDF Viewer Pro 3 Months7 Days trial$6.993 Months
  • PDF Viewer Pro Yearly7 Days trial$19.991 Year

Questions

Is PDF Splitter + PDF Merge free?
PDF Splitter + PDF Merge is free to download, with in-app purchases available.
Is PDF Viewer by Nutrient free?
PDF Viewer by Nutrient is free to download, with in-app purchases available.
Which has better reviews, PDF Splitter + PDF Merge or PDF Viewer by Nutrient?
PDF Viewer by Nutrient is rated higher. PDF Splitter + PDF Merge averages 4.5 out of 5 from 139 ratings, while PDF Viewer by Nutrient averages 4.6 from 9.1K ratings.
Do PDF Splitter + PDF Merge or PDF Viewer by Nutrient have ads?
Neither PDF Splitter + PDF Merge nor PDF Viewer by Nutrient shows ads.
Which is updated more often, PDF Splitter + PDF Merge or PDF Viewer by Nutrient?
PDF Splitter + PDF Merge ships an update every 3 months, and PDF Viewer by Nutrient monthly. Most recently, PDF Splitter + PDF Merge was updated on September 23, 2026 and PDF Viewer by Nutrient on September 24, 2026.

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