SendHeron vs blade

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

SendHeron compared with blade
Detail	SendHeron	blade
What it does	Lifecycle email automation that sets itself up. You approve every word.	your audience is hiding in your inbox
Stage	Not given	Not given
Founded	Not given	Not given
Based in	BG	Not given
Pricing model	Freemium	Free
Pricing	Starter €19/month (up to 10,000 contacts, 50,000 emails/month), Growth €49/month (up to 40,000 contacts, 150,000 emails/month), Scale €99/month (up to 100,000 contacts, 250,000 emails/month), Max €179/month (up to 200,000 contacts, 500,000 emails/month). Free trial: 1,000 contacts and 5,000 sends fo	Not given
Key features	AI-generated lifecycle sequences from website URL Tags and segments with no separate list to sync Block-based and HTML email templates Unified suppression list for transactional and marketing email REST API with 56 documented endpoints and scoped keys Multiple workspaces and brands in one subscription EU data residency with German storage Agent automation with scoped tokens	Connect Gmail inbox to find email correspondents Filter and curate contacts into a list Write personalized messages with name insertion Preview messages before sending Re-scan inbox to find new connections Send campaigns from your own Gmail account Automatic unsubscribe links in campaigns
What makes it different	AI automatically drafts lifecycle sequences from your website URL with human approval required EU company with data stored in Germany and published sub-processor list Unsubscribed and bounced contacts stored free Built by the team running PostFast's own lifecycle email in production	Starts with warm contacts instead of cold outreach Ranked by conversation frequency to find closest contacts first Personalized at scale with preview before send Reads only email headers, not message bodies User approval required before any message sends
Community votes	0	0
DR (Domain Rating by Ahrefs)	20 −1 (down) since last check	25 +6 (up) since last check
Trust Flow (Majestic)	12	16
Citation Flow (Majestic)	26	27
Referring domains (Majestic)	20	40

4 details filled in for both companies.

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