Helo vs Groundmail

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

Helo compared with Groundmail
Detail	Helo	Groundmail
What it does	An email delivery service that actually delivers	Transactional email API and SMTP for password resets, receipts and alerts
Stage	Established	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Paid	Freemium
Pricing	$5/month platform fee plus $0.00035 per email. No tiers, volume commitments, or overage fees. Includes 1,000 free test emails.	Free: 3,000 emails/month, 100/day, 3 domains. Pay as you go: $15/month with 20,000 emails included, then $0.70 per 1,000 from 20,000-100,000, $0.50 per 1,000 from 100,000-1 million, $0.30 per 1,000 above 1 million. Dedicated server: $299/month with 250,000 emails included, then $0.40 per 1,000.
Key features	Email API and SMTP integration Separate transactional and promotional email sending Multi-tenant environment support Customer isolation for platform senders Spam detection and sender reputation protection Custom domain support Email performance analytics SDKs in multiple programming languages Domain and suppression management Email tracking and opens/clicks monitoring	REST API and SDKs for Node, Python, Go, PHP and Ruby SMTP relay at smtp.groundmail.dev port 587 Event-triggered automations Inbound email and reply handling Versioned email templates with live preview Spam checks and blocklist monitoring DMARC monitoring Dedicated IPs and servers Hosted test inbox for CI Tenants for serving multiple customers
What makes it different	No tier commitments or overage fees - usage-based pricing only Bootstrapped and independent with no investors Built for platforms sending email on behalf of users Team with decades of email infrastructure and deliverability experience Significantly cheaper than competitors at all volume levels	4.6 second median delivery time Operated by the team that runs the mail servers Transactional mail kept separate from marketing mail 99.99% sending uptime No setup required for AI coding tools
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 −1 (down) since last check	24 no change since last check
Trust Flow (Majestic)	6	6
Citation Flow (Majestic)	27	30
Referring domains (Majestic)	114	38

5 details filled in for both companies.

More alternatives to Helo More alternatives to Groundmail