Instantly vs Mailhardener: Which Should You Choose in 2026?
Both prices below were read from each vendor's own pricing page on the date shown.
Pricing side by side
| Plan | Instantly | Mailhardener |
|---|---|---|
| tier 1 | $47/mo — Unlimited mailboxes, 1,000 contacts, 5,000 emails a month | On request — 1 domain, up to 10,000 DMARC reports/mo, basic security check |
| tier 2 | $97/mo — 25,000 contacts, 125,000 emails a month | On request — Up to 5 domains, 100,000 DMARC reports/mo, real-time alerts, MTA-STS and TLS-RPT |
| tier 3 | $358/mo — 100,000 contacts, 500,000 emails a month | On request — Up to 25 domains, 500,000 DMARC reports/mo, team seats, API access |
| tier 4 | $47/mo — From 1,500 credits a month, sold separately | — |
| tier 5 | $94/mo — From $94/mo, then $194 and $555 | — |
| tier 6 | On request — Custom volume, private deliverability network | — |
read from both vendors' pricing pages · 20 Aug 2026 · how we verify
Choose Instantly if
- Agencies running outbound across many domains
Choose Mailhardener if
- IT and marketing operations teams implementing DMARC enforcement
- Companies securing their sending domains against spoofing and phishing
Where each one disappoints
Instantly
- Teams selling into markets where cold email is regulated tightly
Mailhardener
- Writing marketing newsletter copy and promotional templates
Compiled by Stepan Noianov from both vendors' own sites. Something wrong? Report an inaccuracy.