Slap vs PulseWave

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 PulseWave
Detail	Slap	PulseWave
What it does	Email sync and client portals for Notion	A quiet 30-second breathing pause between tasks
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
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	30-second guided breathing exercise Visual circle guide for breathing pace No account required No setup needed Available on iPhone
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	Requires no account or setup to start using immediately Designed as a quick mental reset between tasks Simple guided breathing with visual circle
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	17 +1 (up) since last check	1 +1 (up) since last check
Trust Flow (Majestic)	11	8
Citation Flow (Majestic)	25	25
Referring domains (Majestic)	98	25

4 details filled in for both companies.

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