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Slap vs Scroll Brake

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

Slap compared with Scroll Brake
DetailSlap logo SlapScroll Brake logo Scroll Brake
What it doesEmail sync and client portals for Notion Stop doomscrolling on iPhone and Chrome with mental math barriers before feeds open
StageNot given Startup
FoundedNot given 2024
Based inNot given EE
Pricing modelPaid Freemium
PricingSlapMail: $8/user/month (billed yearly). SlapPortal: plans start at $12/month (billed yearly) for up to 5 active users and scale from there. Both include free trial with no credit card required. Free 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.
Key features
  • Sync Gmail and Outlook emails to Notion automatically
  • Reply to emails from Notion
  • Smart email routing based on labels and folders
  • Automatic contact linking
  • Attachment storage in Notion
  • Share inboxes across teams
  • Property-level access control for portals
  • Real-time bidirectional sync
  • No separate interface to build
  • Works with free Notion accounts
  • 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
What makes it different
  • Built specifically for Notion workflows
  • One source of truth for sales, support, and client work
  • No data duplication between workspace and portal
  • Google CASA Tier 2 certified and Microsoft-verified
  • Content never permanently stored outside Notion
  • Native Swift on iOS 26.5+ using new Screen Time API instead of push notification spam
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)17 +1 (up) since last check1 +1 (up) since last check
Trust Flow (Majestic)112
Citation Flow (Majestic)2517
Referring domains (Majestic)9811

5 details filled in for both companies.

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