Habits your friends can see, and a tiny fine to a friend when you skip a day
Stage
Not given
Startup
Founded
Not given
Not given
Based in
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CZ
Pricing model
Paid
Free
Pricing
SlapMail: $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.
Not given
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
Apple Health and Health Connect integration for automatic step and workout tracking
Social habit sharing with real-time streak tracking visible to friends
Fines settled outside the app via bank transfer, Revolut or payment QR code
Sponsor feature where friends pay for days you keep a habit
Rest days to pause streaks without owing fines
Private habits visible only to chosen friends
Web app, iOS, macOS, watchOS and Android versions
Calendar and statistics for streaks and fine tracking
One-tap habit completion with optional reminders
No account required until adding friends
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
Money never goes through the app; fines and payments are settled between friends outside it
Fines can be anything friends agree on—pizza, coffee, beer, or money—not just currency
Transparent tab system where friends see every edit and late ticks don't erase fines
Automatic syncing with Apple Health and Health Connect eliminates manual tracking
One-day grace period to catch up on missed habits before fine is recorded
Slap