Last updated: August 2026
Both are Chrome extensions for blocking distracting websites. The difference shows up on the free plan — here's the full breakdown.
FocusGuard is a free Chrome extension built around timer-based focus sessions. Free plan includes unlimited blocked sites, analytics, and puppy rescue gamification.
BlockSite is a Chrome extension and mobile app combo built around a persistent block/allow list. Free plan caps the number of sites you can block; scheduling, password lock, and unlimited sites require the paid tier.
| Feature | FocusGuard | BlockSite |
|---|---|---|
| Blocking approach | Timer-based focus sessions | Persistent block/allow list |
| Unlimited sites on free plan | ✓ | ✗ Limited on free plan |
| Focus timer | ✓ Built-in, 5 min — 8 hours | Focus Mode (paid tier) |
| Analytics on free plan | ✓ Focus hours, streaks | ✗ Paid tier only |
| Motivation system | ✓ Puppy rescue missions | ✗ None |
| Scheduling | Manual session start | Paid tier only |
| Password-protect blocklist | ✗ | ✓ Paid tier |
| Mobile app | ✗ Chrome only | ✓ iOS + Android |
| Modern UI | ✓ Glassmorphism design | Standard extension UI |
| Price | Free + Pro ($5.99/mo or $64.69 lifetime) | Free (limited) + paid premium tier |
They overlap, but the free plan is the deciding factor for most people. FocusGuard's free plan includes unlimited blocked sites and analytics. BlockSite's free plan caps the number of sites you can block and reserves scheduling for the paid tier.
FocusGuard is a popular BlockSite alternative offering timer-based focus sessions, free analytics, and puppy rescue motivation instead of a plain block list.
Both have free plans. FocusGuard's free plan has no site limit. BlockSite's free plan caps blocked sites and moves scheduling and password lock behind a paid tier.
Yes. FocusGuard includes a built-in focus timer (5 minutes to 8 hours) with auto-unblock and session analytics, included on the free plan.
Unlimited blocked sites and analytics — no paid tier required to get started.
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