Groundmail vs Canary Mail

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

Groundmail compared with Canary Mail
Detail	Groundmail	Canary Mail
What it does	Transactional email API and SMTP for password resets, receipts and alerts	AI-powered email client with unified inbox, encryption, and calendar for Mac, iPhone, Android, and Windows
Stage	Not given	Established
Founded	Not given	2016
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	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.	Free plan includes unified inbox, snooze & pin, email templates, and inbox zero features. Growth plan: $36/year (or $3/month billed yearly) includes AI Copilot, read receipts, send later, calendar & scheduling, and inbox cleaner. Pro+ plan: $100/year (or $10/month billed yearly, with 2 months free)
Key features	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	AI email writer that composes messages tailored to your voice Email thread summarization in seconds Automatic email categorization for distraction-free inbox Read receipts with instant notifications PGP end-to-end encryption with in-app key management SecureSend for encrypted messages with expiration and password protection Phishing detection and alerts for suspicious links Pixel and tracker blocking to protect privacy Shared inbox for team collaboration and real-time updates Email assignments with clear ownership and AI routing
What makes it different	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	AI-powered inbox management that identifies important emails and drafts replies automatically Privacy-first design with end-to-end encryption built-in by default Enterprise-grade security for both work and personal email accounts client-side Unified inbox for unlimited email accounts across Gmail, Outlook, iCloud, IMAP, and Exchange Cross-platform synchronization across Mac, iPhone, iPad, Windows, and Android
Community votes	0	0
DR (Domain Rating by Ahrefs)	24 no change since last check	70 no change since last check
Trust Flow (Majestic)	6	21
Citation Flow (Majestic)	30	41
Referring domains (Majestic)	38	1171

5 details filled in for both companies.

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