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AdAway vs Preview

Professional comparison and analysis to help you choose the right software solution for your needs.

AdAway icon
AdAway
Preview icon
Preview

AdAway vs Preview: The Verdict

⚡ Summary:

AdAway: AdAway is an open source ad blocker and hosts file editor for Android devices. It blocks ads by editing the hosts file on your device to redirect requests from advertising servers to localhost.

Preview: Preview is a free and open-source document viewer application for macOS. It allows quick viewing of multiple file formats including images, PDFs, Markdown files, Office documents, and more. Preview has basic editing capabilities and annotation tools for PDFs.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature AdAway Preview
Sugggest Score — —
Category Security & Privacy Office & Productivity
Pricing Open Source Open Source

Product Overview

AdAway
AdAway

Description: AdAway is an open source ad blocker and hosts file editor for Android devices. It blocks ads by editing the hosts file on your device to redirect requests from advertising servers to localhost.

Type: software

Pricing: Open Source

Preview
Preview

Description: Preview is a free and open-source document viewer application for macOS. It allows quick viewing of multiple file formats including images, PDFs, Markdown files, Office documents, and more. Preview has basic editing capabilities and annotation tools for PDFs.

Type: software

Pricing: Open Source

Key Features Comparison

AdAway
AdAway Features
  • Blocks ads in apps and browsers by redirecting ad server requests to localhost
  • Open source and free
  • Easy to use interface
  • Does not require root access
  • Regularly updated blocklist
  • Allows customization of hosts file
Preview
Preview Features
  • View PDFs, images, text files and more
  • Annotate PDFs with shapes, text boxes, signatures
  • Basic image editing tools
  • Fill out and sign PDF forms
  • Combine PDFs and export as PDF or other formats
  • Tabbed interface to view multiple files
  • Quick Look support to preview files
  • Built-in screen capture tool

Pros & Cons Analysis

AdAway
AdAway

Pros

  • Blocks ads without root access
  • Lightweight and efficient
  • Open source with no ads or tracking
  • Works across many apps and browsers
  • Can be customized to block additional hosts

Cons

  • Requires manual update of blocklist
  • Some ads may get through
  • Could break functionality of some apps
  • Requires a one-time setup process
  • Not available on Google Play Store
Preview
Preview

Pros

  • Free and included with macOS
  • Fast and lightweight
  • Supports many common file formats
  • Useful annotation and editing tools
  • Easy to use interface

Cons

  • Limited functionality compared to paid alternatives
  • Lacks advanced PDF editing features
  • No OCR for scanning text in images
  • No collaboration tools

Pricing Comparison

AdAway
AdAway
  • Open Source
Preview
Preview
  • Open Source

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Learn More About Each Product

AdAway
AdAway
Reviews, pricing & alternatives →
Preview
Preview
Reviews, pricing & alternatives →

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