Best Email Deliverability · head-to-head
Mailtrap vs Warmy
A sourced, side-by-side comparison for email deliverability. Mailtrap has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
Mailtrap has the lower entry price — Mailtrap starts at $0/mo, Warmy at $49/mo. Free tier: Mailtrap Yes, Warmy No. HIPAA: Mailtrap —, Warmy —.
As of 2026-06-18 · figures link to their source below
Side by side
Mailtrap
$0/mo entryWarmy
$49/mo entrySources — Mailtrap: mailtrap.io (verified 2026-06-18) · Warmy: capterra.com (verified 2026-06-18)
Key features
Mailtrap: Email sandbox for safe pre-send testing; SOC 2 Type II + ISO 27001 + GDPR compliant (HIPAA not claimed); Multi-language SDK support (Node, PHP, Ruby, Python, Go); Inbox placement and spam analysis testing
Warmy: AI-driven warm-up for B2B and B2C mailbox networks; Google Postmaster Tools integration; Deliverability monitoring dashboard; Dedicated deliverability expert on higher tiers