Work · alternatives · 2026
24 alternatives to SiteBlocker V4
Block distracting sites with a focus mode you can't quit
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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SiteBlocker▲112Block distractions & stay focused | Chrome/Firefox extension
2025 · blockodile.app · its alternatives →
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Nomoresurf▲87Block distracting websites & make it harder to unblock them
2022 · nomoresurf.com · its alternatives →
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FocusLite▲116Website blocker for Mac & consumable purchase for motivation
2021 · adwords.google.com · its alternatives →
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Block distracting websites to help you focus on you work.
2020 · chromewebstore.google.com · its alternatives →
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Block sites & start focusing
2024 · chromewebstore.google.com · its alternatives →
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A physical timer that blocks distracting websites
2022 · heypomo.com · its alternatives →
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Block distracting websites and stay focused with smart tools
Feb 2026 · chromewebstore.google.com · its alternatives →
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LockIn MCP▲116I was tired of how bad distraction blockers are so I built my own. LockIn lets AI assistants (Claude, ChatGPT, Cursor, etc.) block websites by editing the system hosts file directly via MCP tools (via a secure cloudflare bridge). Why? Because chrome extensions don't work. Blocking it natively makes it unbypassable, and having your agent gatekeep your focus is the ultimate cheat code. Since everyone is using AI agents nowadays, but most people start scrolling or Reddit while waiting for Claude Code to finish, giving them control over your focus solves that. The MCP server exposes four tools:…
Jun 2026 · lockinmcp.com · its alternatives →
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NoBrowseForYou▲135Turn tasks into browsing rewards
2024 · chromewebstore.google.com · its alternatives →
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Block distracting websites and build better focus habits.
Jul 2026 · chromewebstore.google.com · its alternatives →
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Block distracting websites on the Chrome browser
2024 · chromewebstore.google.com · its alternatives →
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Get charged if you visit distracting sites
2020 · chromewebstore.google.com · its alternatives →
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Focusr▲1Blocks any website and helps you focus
May 2026 · chromewebstore.google.com · its alternatives →
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I built Focuser because I kept doom-scrolling when I was supposed to work What it does You pick any time-sink site Next visit, Focuser asks, “Do you really need this site?” If you tap Yes, you must 1⃣ Write why you need it 2⃣ Choose exactly how long you need access This 20 second friction is based on Shawn Achor’s habit-formation research Why it’s different Runs 100% client-side—no analytics, no external calls Uses Manifest V3 already (future-proof for June 2025 Chrome deprecation) Works offline Settings live in localStorage Ask Does the 20-second rule feel too long or too short? Any…
2025 · focuser.app · its alternatives →
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2012 · blockr.me · its alternatives →
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Writeaholic▲75Stay focused & write daily. A different kind of site blocker
2021 · chromewebstore.google.com · its alternatives →
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Block distracting websites & hide social feeds in Chrome
Aug 2026 · websitegeek.net · its alternatives →
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FoxBlock▲7Site blocker & task manager for focus & productivity
2025 · chromewebstore.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →