PDF Stacks vs Qiqqa

Struggling to choose between PDF Stacks and Qiqqa? Both products offer unique advantages, making it a tough decision.

PDF Stacks is a Office & Productivity solution with tags like pdf, document, manage, organize, merge, split, ocr, annotation.

It boasts features such as Merge multiple PDF files, Split PDF files, Add or remove pages, Insert blank pages, Extract images from PDFs, OCR (optical character recognition), Annotate PDFs, Add headers, footers and watermarks, Password protect PDFs, Optimize PDF file size, Table of contents generation, Batch processing of PDFs and pros including Intuitive and easy to use interface, Useful PDF editing and management features, OCR capability, Annotation tools, Affordable pricing.

On the other hand, Qiqqa is a Education & Reference product tagged with reference-management, citation-management, research-organization.

Its standout features include Reference management, Automatic metadata lookup, Web browser integration, PDF annotation, Mind mapping, Collaboration tools, and it shines with pros like Free and open source, Clean and intuitive interface, Powerful search and organization, Supports many file types, Available on multiple platforms.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

PDF Stacks

PDF Stacks

PDF Stacks is a PDF management software that allows users to easily merge, split, organize and manage PDF documents. It has an intuitive interface and useful features like OCR, annotation tools, password protection and more.

Categories:
Office & Productivity Document Management
pdf document manage organize merge split ocr annotation

PDF Stacks Features

  1. Merge multiple PDF files
  2. Split PDF files
  3. Add or remove pages
  4. Insert blank pages
  5. Extract images from PDFs
  6. OCR (optical character recognition)
  7. Annotate PDFs
  8. Add headers, footers and watermarks
  9. Password protect PDFs
  10. Optimize PDF file size
  11. Table of contents generation
  12. Batch processing of PDFs

Pricing

  • One-time Purchase
  • Subscription-Based

Pros

Intuitive and easy to use interface

Useful PDF editing and management features

OCR capability

Annotation tools

Affordable pricing

Cons

Lacks advanced features like form filling

No mobile apps

Slow OCR at times

Qiqqa

Qiqqa

Qiqqa is a free reference management software that helps researchers organize, manage and cite their references. It integrates with web browsers to capture references, has features like automatic metadata lookup and attachments support, and offers a clean, intuitive interface to manage references.

Categories:
Education & Reference Research Tools
reference-management citation-management research-organization

Qiqqa Features

  1. Reference management
  2. Automatic metadata lookup
  3. Web browser integration
  4. PDF annotation
  5. Mind mapping
  6. Collaboration tools

Pricing

  • Freemium
  • Open Source

Pros

Free and open source

Clean and intuitive interface

Powerful search and organization

Supports many file types

Available on multiple platforms

Cons

Limited mobile apps

Steep learning curve

Less styles available than paid tools

Lacks some advanced features of paid tools