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.
Free: $0 forever. Pro: $9.99 one-time (early bird $7.99). Free tier includes Today panel, quick capture, search, plain Markdown notes, edge dock and always-on-top float, one-shot reminders, pinyin search, and git version history with Shortcuts. Pro adds floating above fullscreen apps, recurring remi
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
Floating notes above fullscreen apps and across Spaces (Pro)
Adjustable unfocused opacity from 40% to 100%
Global hotkey quick capture from any app
Plain Markdown files stored on your Mac
Reminders with daily or weekly repeat (Pro)
Apple Reminders and Calendar sync (Pro)
Point to any folder including Obsidian vault (Pro)
Trilingual interface: English, Simplified Chinese, Traditional Chinese
Pinyin search with Simplified and Traditional variant matching
Hidden by default in screen sharing, recordings and screenshots
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
Plain Markdown files you own with no account or server required
Stays on top of fullscreen apps and across Spaces
Notes synced with Apple Reminders reach your iPhone without a separate iOS app
Compatible with Obsidian vaults as native Markdown files