Comparison

PDF Viewer by Nutrient vs CodingCalendar

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

Head to head
About

PDF Viewer by Nutrient

Easily view, search, and annotate PDF documents on your iPhone and iPad. Access files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features are available through a subscription.

Highlights
  • View, search, and annotate PDFs
  • Cloud service integration
  • Fill out forms and add signatures
  • Create and edit PDF pages
  • Password protection
  • Night mode and text-to-speech
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

About

CodingCalendar

Organize your coding projects and assignments with this app. It helps you manage tasks, track progress visually, and access learning resources. Keep your development workflow streamlined and your data private on your device.

Highlights
  • Project and task management
  • Effort scoring for tasks
  • Visual progress dashboard
  • Calendar view for tasks
  • Developer learning resources
  • Data export/import backup
Read full description

CodingCalendar helps students and developers organize their projects, track tasks, and stay productive. Key Features: • Create and manage projects with due dates • Break projects into tasks with effort scores • Visual dashboard to track progress • Calendar view of all tasks • Learning resources for developers • Export/import data backup Perfect for: - Students managing assignments - Developers working on side projects - Anyone learning to code All your data stays private on your device.

Screenshots

PDF Viewer by Nutrient4 screens

Verdict

The call

The clearest difference is in-app purchases: CodingCalendar at none against PDF Viewer by Nutrient's 2. CodingCalendar also leads on rating (5.0 vs 4.6). PDF Viewer by Nutrient's advantage is ratings volume (9.1K vs 2) and device support. On price 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 Viewer by Nutrient sells 2 in-app purchases, starting at $6.99 per 3 months. CodingCalendar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CodingCalendar holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PDF Viewer by Nutrient has 9.1K ratings behind it against 2, so its average is the more settled of the two.

Scorecard6 real differences · 4 level
PDF Viewer by Nutrient versus CodingCalendar: the parameters behind the verdict, then further details
ParameterPDF Viewer by NutrientCodingCalendar
PriceFreeFree
Rating4.6 (9.1K ratings)5.0 (2 ratings) — better
Positive reviews73.2% of reviews—
Number of ratings9.1K — better2
Update frequencyMonthly—
AdsNo—
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Mac, Vision Pro — better—
Requires iOS17.0 — better26.1
Further details — not scored
Size111 MB2 MB
Age rating4+4+
DeveloperPSPDFKit GmbHCam Banks

Bugs and requests

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

CodingCalendar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

CodingCalendar

No in-app purchases

Questions

Is PDF Viewer by Nutrient free?
PDF Viewer by Nutrient is free to download, with in-app purchases available.
Is CodingCalendar free?
CodingCalendar is free to download, with no in-app purchases.
Which has better reviews, PDF Viewer by Nutrient or CodingCalendar?
CodingCalendar is rated higher. PDF Viewer by Nutrient averages 4.6 out of 5 from 9.1K ratings, while CodingCalendar averages 5.0 from 2 ratings.

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