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Head-to-head · Email Warmup Software

Warmerly vs MailStrike

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Warmerly #2 in Email Warmup Software 8.7/10 Free plan · paid from $19/mo · 7-day trial Free plan✓ 3 of 3 features Visit Warmerly
MailStrike #6 in Email Warmup Software 7.5/10 From $18/mo (annual) ✓ 3 of 3 features Visit MailStrike

Warmerly leads on 1 check, MailStrike on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWarmerly · 8.7/10
  • Free planonly Warmerly

Warmerly scores higher on our rubric for email warmup software: 8.7 against 7.5 out of 10; our editors rank them #2 and #6.

Warmerly offers free plan; MailStrike doesn't. On warmup network, MailStrike gives you Shared where Warmerly offers Private.

Warmerly is the better fit for teams wanting private-network warmup with a free tier. MailStrike is the better fit for teams needing configurable shared-network warming.

  • Warmerly fits best

    Teams wanting private-network warmup with a free tier

  • MailStrike fits best

    Teams needing configurable shared-network warming

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Warmerly 8.7/10 Visit ↗ MailStrike 7.5/10 Visit ↗
At a glance
Editor score 8.7 7.5
Ranking #2 in Email Warmup Software #6 in Email Warmup Software
Best for Teams wanting private-network warmup with a free tier Teams needing configurable shared-network warming
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, Android Web
Support Email, Live chat, Docs Email
Compliance GDPR GDPR
Integrations 11 integrations 12 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Warmerly 3/3 · MailStrike 3/3
Custom warmup schedule ✓ ✓
Spam monitoring ✓ ✓
Multiple mailboxes ✓ ✓
Specs
Warmup network Private Shared
Daily email limit Not published 30 /day
Mailbox providers Not published Not published
Our review
Pros
  • Private two-way warmup with configurable ramp scheduling
  • Inbox placement testing for Gmail, Outlook and Yahoo
  • Free tier plus API access on the Agency plan
  • AI personas create two-way warming conversations for each mailbox.
  • Placement tests show inbox, promotions, or spam results by provider.
  • SPF, DKIM, DMARC, MX checks, spam rescue, and maintenance warming are included.
Cons
  • The Free plan supports only one email account
  • Higher account volumes require the $49 or $179 monthly tiers
  • Outreach and social tools broaden the scope beyond warmup
  • There is no free plan.
  • Warming uses a shared network rather than an isolated mailbox network.
  • Solo supports one mailbox; larger mailbox counts require higher tiers.
Our verdict

Warmerly is an email warmup and deliverability platform for founders, sales teams, recruiters, agencies and lead-generation businesses. It connects Gmail, Google Workspace, Microsoft 365, Outlook.com, Zoho Mail, Namecheap Private Email,…

Read the review →

MailStrike is an email deliverability platform for founders, cold-outreach teams, high-volume senders, and B2C marketers. It connects Google Workspace, Microsoft 365, or SMTP/IMAP mailboxes and warms them through AI-generated, two-way…

Read the review →
  1. WarmerlyEmail Warmup Software 8.7Free plan · paid from $19/mo · 7-day trial
  2. MailStrikeEmail Warmup Software 7.5From $18/mo (annual)

Strengths and trade-offs

  • Warmerly — where it wins

    • Private two-way warmup with configurable ramp scheduling
    • Inbox placement testing for Gmail, Outlook and Yahoo
    • Free tier plus API access on the Agency plan

    Where it doesn't

    • The Free plan supports only one email account
    • Higher account volumes require the $49 or $179 monthly tiers
    • Outreach and social tools broaden the scope beyond warmup
  • MailStrike — where it wins

    • AI personas create two-way warming conversations for each mailbox.
    • Placement tests show inbox, promotions, or spam results by provider.
    • SPF, DKIM, DMARC, MX checks, spam rescue, and maintenance warming are included.

    Where it doesn't

    • There is no free plan.
    • Warming uses a shared network rather than an isolated mailbox network.
    • Solo supports one mailbox; larger mailbox counts require higher tiers.
  • Warmerly8.7/10 · Free plan · paid from $19/mo · 7-day trial

    A private-network warmup platform with a useful free tier and broad mailbox support.

    Visit WarmerlyFull verdict →
  • MailStrike7.5/10 · From $18/mo (annual)

    A configurable warmup platform with placement testing, analytics, and shared-network warming.

    Visit MailStrikeFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update