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Scroll Brake vs Postscriptum

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

Scroll Brake compared with Postscriptum
DetailScroll Brake logo Scroll BrakePostscriptum logo Postscriptum
What it doesStop doomscrolling on iPhone and Chrome with mental math barriers before feeds open A private AI journal that turns your daily reflections into a memoir
StageStartup MVP
Founded2024 Not given
Based inEE Not given
Pricing modelFreemium Free
PricingFree Tier & Chrome Extension (Free), iOS Pro Monthly ($3.99/mo), iOS Pro Annual ($12.99/yr), iOS Pro Lifetime ($17.99). Free tier includes up to 3 active app or category rules with all 7 math levels. Pro tiers add unlimited blocking rules, Strict Mode, and weekly analytics. $0 during open beta; paid plans to come later
Key features
  • Adaptive difficulty that increases with repeated attempts throughout the day
  • True Active-Time Tracking on Chrome that pauses when tab is inactive
  • Surgical URL and YouTube Shorts blocking on Chrome
  • Anti-cheat reshuffle that regenerates math problems when Calculator is opened
  • Private local storage with no account or cloud sync required
  • Nightly check-in with AI-generated questions
  • Adaptive second question based on previous entries
  • Unsealed entries that cannot be edited
  • AI memoir generation in literary prose
  • Weekly pattern digest
  • AI-generated insights about themes and patterns
  • Full archive with streaks and backstory
What makes it different
  • Native Swift on iOS 26.5+ using new Screen Time API instead of push notification spam
  • The second question intelligently adapts based on what you previously wrote
  • Entries are permanently sealed and cannot be edited
  • Automatically composes your journal into a literary memoir
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 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)1712
Referring domains (Majestic)111

6 details filled in for both companies.

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