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BlockSite vs FilterJS

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

BlockSite icon
BlockSite
FilterJS icon
FilterJS

BlockSite vs FilterJS: The Verdict

⚡ Summary:

BlockSite: BlockSite is a productivity browser extension and app that allows users to block distracting websites and apps to stay focused. It works across all major browsers and devices to restrict access during set times or schedules.

FilterJS: FilterJS is a JavaScript library for filtering, sorting, and pagination of data sets. It provides easy-to-use APIs for client-side data processing without any dependencies.

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 BlockSite FilterJS
Sugggest Score — —
Category Productivity Development

Product Overview

BlockSite
BlockSite

Description: BlockSite is a productivity browser extension and app that allows users to block distracting websites and apps to stay focused. It works across all major browsers and devices to restrict access during set times or schedules.

Type: software

FilterJS
FilterJS

Description: FilterJS is a JavaScript library for filtering, sorting, and pagination of data sets. It provides easy-to-use APIs for client-side data processing without any dependencies.

Type: software

Key Features Comparison

BlockSite
BlockSite Features
  • Website and app blocking
  • Customizable blocking schedules
  • Focus mode with temporary access
  • Cross-platform support
  • Blocking on all major browsers
  • Productivity reports and stats
  • Whitelist for allowed sites
  • Nuclear option to block everything
  • Password protection
FilterJS
FilterJS Features
  • Client-side filtering
  • Client-side sorting
  • Client-side pagination
  • Search functionality
  • Column-based filtering
  • Nested object filtering
  • Customizable filtering functions
  • Extensible architecture

Pros & Cons Analysis

BlockSite
BlockSite

Pros

  • Helps improve focus and productivity
  • Easy to set up and use
  • Powerful customization options
  • Works across devices and browsers
  • Good for restricting distractions
  • Provides useful analytics

Cons

  • Can be circumvented
  • Requires some discipline to use effectively
  • No browser extension for Safari
  • No fine-grained controls per site
  • Free version lacks some features
FilterJS
FilterJS

Pros

  • Lightweight library without dependencies
  • Easy to integrate into projects
  • Intuitive APIs
  • Good performance on large data sets
  • Open source and free to use

Cons

  • Limited to client-side processing only
  • Not optimized for extremely large data sets
  • Requires writing custom code for advanced filtering
  • Lacks some advanced features like fuzzy search

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Learn More About Each Product

BlockSite
BlockSite
Reviews, pricing & alternatives →
FilterJS
FilterJS
Reviews, pricing & alternatives →

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