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 version includes pen, highlighter, eraser and whiteboard mode. Pro is $9.99 once and adds shapes, text and export; includes license for 5 Macs, all 1.x updates and 14-day refund.
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
Pen tool for drawing
Highlighter for emphasizing
Whiteboard mode
Drawings stick to windows as they move
Shapes (Pro)
Text insertion (Pro)
Export drawings (Pro)
Works on Zoom, Meet, Teams and presentations
Fully editable vector ink
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
Drawings automatically stick to windows and follow them when moved or resized
Works invisibly without accounts, analytics or tracking
Free version includes core features; Pro is one-time $9.99 purchase not subscription
Slap
JellyDraw