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Blocker vs Alucava

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Blocker compared with Alucava
DetailBlocker logo BlockerAlucava logo Alucava
What it doesWebsite and app blocker for Mac with lock modes to prevent disabling blocks A planning app for pregnancy, birth preparation and the first months at home, shared across the household
StageNot given Established
FoundedNot given 2008
Based inNot given AU
Pricing modelFree trial Freemium
Pricing$29 for founding licence (90% claimed, 1 of 10 founding spots left), then $39 for next 25, then $59 regular price. One-time payment, free updates forever. Free to download and plan with. One optional in-app purchase unlocks sharing across the household.
Key features
  • Block websites across all browsers simultaneously
  • Block Mac apps from launching
  • Three lock modes: Off, Strict, and Hardcore
  • Recurring block scheduling by day and time
  • No account or sign-up required
  • Runs offline on your Mac
  • Streak and focus hour tracking
  • Support for subdomain blocking
  • Weekly bump comparisons from week 4 to week 40
  • 15 modules covering nesting, showers, bags, home setup and feeding station
  • Gender reveal, nesting party and baby shower invite builder with three event families
  • Day-by-day guidance through rest month in 30 or 40 days
  • Household plan sharing with partner via end-to-end encryption
  • Help menu for coordinating meals, visitors and support tasks
  • Feeding and expressing register with shared recording
  • Calendar sync that writes directly to phone calendar
  • Offline app with encrypted backups to device storage
What makes it different
  • Blocks across every browser and Mac app in one place, unlike browser extensions which only cover one browser
  • Hardcore lock mode cannot be disabled until timer ends, with only one emergency pass per week
  • Pay once, no subscription or account needed, works offline forever
  • Privacy-focused with no browsing data collected or sent from your Mac
  • No account, no login, no profile server—plan stays on your device
  • One-time household unlock with no recurring fees; partner who joins pays nothing
  • Sharing is end-to-end encrypted; relay holds unreadable ciphertext
  • Original illustrations and Nestling mascot bird unique to the app
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)2214
Referring domains (Majestic)763

5 details filled in for both companies.

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