SendHeron vs Sequenzy

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 Sequenzy
Detail	SendHeron	Sequenzy
What it does	Lifecycle email automation that sets itself up. You approve every word.	AI-native email marketing platform for SaaS and ecommerce that writes and sends campaigns, automations, and transactional emails triggered by billing and product events
Stage	Not given	Startup
Founded	Not given	2025
Based in	BG	US
Pricing model	Freemium	Freemium
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	Free: 2,500 emails/month. Pro plans start at $19/month for 15,000 emails, then scale by monthly email volume. SMS & MMS add-on: $16/month with 1,000 credits. Dedicated IPs: $30/month per IP. Done-for-you service: $499/month (founding price) with 3-month minimum. All plans include unlimited contacts,
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	AI-generated email sequences from your website brand and voice Campaign automation triggered by Stripe billing events and product events Revenue attribution showing which emails earned each payment Transactional API for receipts, password resets, and notifications Smart segments that update automatically based on customer data and behavior AI agents can draft and manage campaigns through MCP server, API, or CLI Shopify and WooCommerce integration for ecommerce flows SMS and MMS optional add-on with dedicated US/Canada number
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	Priced per email sent, never per contact One account for marketing, transactional, and billing event emails Native integration with 7 billing providers and ecommerce platforms Revenue attribution reports which emails actually paid for themselves
Community votes	0	0
DR (Domain Rating by Ahrefs)	20 −1 (down) since last check	70 no change since last check
Trust Flow (Majestic)	12	15
Citation Flow (Majestic)	26	41
Referring domains (Majestic)	20	745

6 details filled in for both companies.

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