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Head-to-head · Email Warmup Software

Warmy vs InboxWarm.ai

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Warmy #3 in Email Warmup Software 8.0/10 Pricing on request · 7-day trial ✓ 0 of 3 features Visit Warmy
InboxWarm.ai #5 in Email Warmup Software 7.6/10 From $15/mo · 10-day trial ✓ 3 of 3 features Visit InboxWarm.ai

Warmy leads on 0 checks, InboxWarm.ai on 3, and 1 is 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 scoreWarmy · 8.0/10
  • Most featuresInboxWarm.ai · 3 of 3

Warmy scores higher on our rubric for email warmup software: 8.0 against 7.6 out of 10; our editors rank them #3 and #5.

InboxWarm.ai offers custom warmup schedule; Warmy doesn't publish it. InboxWarm.ai offers spam monitoring; Warmy doesn't publish it. InboxWarm.ai offers multiple mailboxes; Warmy doesn't publish it.

Warmy is the better fit for organizations wanting full deliverability coverage. InboxWarm.ai is the better fit for growing teams managing many private warmup inboxes.

  • Warmy fits best

    Organizations wanting full deliverability coverage

  • InboxWarm.ai fits best

    Growing teams managing many private warmup inboxes

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 Warmy 8.0/10 Visit ↗ InboxWarm.ai 7.6/10 Visit ↗
At a glance
Editor score 8.0 7.6
Ranking #3 in Email Warmup Software #5 in Email Warmup Software
Best for Organizations wanting full deliverability coverage Growing teams managing many private warmup inboxes
Pricing model Paid Paid
Starting price Not published Not published
Free plan — —
Free trial — —
Free trial length 7 days · no card needed 10 days · no card needed
Deployment Cloud Cloud
Platforms Web Web
Support Live chat, Docs · 24/7 Email, Docs · 24/7
Integrations 34+ integrations 6 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Warmy 0/3 · InboxWarm.ai 3/3
Custom warmup schedule Not published ✓ (best)
Spam monitoring Not published ✓ (best)
Multiple mailboxes Not published ✓ (best)
Specs
Warmup network Not published Private
Daily email limit Not published 100 /day
Mailbox providers Not published Not published
Our review
Pros
  • Combines warm-up, placement testing, reputation, and authentication monitoring
  • Supports Gmail, Microsoft 365, Yahoo, Zoho, and other major providers
  • REST API covers mailbox, warm-up, reporting, and webhook workflows
  • Private seed-inbox network with AI-generated replies and simulated engagement
  • Supports Gmail, Outlook, SMTP/IMAP, SendGrid, Amazon SES, and Mailgun
  • REST API plus inbox placement and SPF, DKIM, and DMARC monitoring
Cons
  • Paid pricing requires a conversation with sales
  • There is no free plan
  • Two-factor authentication availability is described inconsistently
  • No free plan; the 10-day trial applies before paid billing
  • The 1-mailbox plan allows up to 100 warmup emails per day
  • Costs are charged per inbox, which can matter for larger mailbox counts
Our verdict

Warmy is an email deliverability platform for agencies, SaaS companies, marketers, and larger teams. It automates mailbox warm-up through gradual volume increases and engagement actions, while also covering inbox and spam placement, sender…

Read the review →

InboxWarm.ai is an email warmup and deliverability platform for startups, agencies, SaaS teams, and enterprises managing multiple sending inboxes. It automates warmup messages and engagement across a private seed-inbox network, while…

Read the review →
  1. WarmyEmail Warmup Software 8.0Pricing on request · 7-day trial
  2. InboxWarm.aiEmail Warmup Software 7.6From $15/mo · 10-day trial

Strengths and trade-offs

  • Warmy — where it wins

    • Combines warm-up, placement testing, reputation, and authentication monitoring
    • Supports Gmail, Microsoft 365, Yahoo, Zoho, and other major providers
    • REST API covers mailbox, warm-up, reporting, and webhook workflows

    Where it doesn't

    • Paid pricing requires a conversation with sales
    • There is no free plan
    • Two-factor authentication availability is described inconsistently

  • InboxWarm.ai — where it wins

    • Private seed-inbox network with AI-generated replies and simulated engagement
    • Supports Gmail, Outlook, SMTP/IMAP, SendGrid, Amazon SES, and Mailgun
    • REST API plus inbox placement and SPF, DKIM, and DMARC monitoring

    Where it doesn't

    • No free plan; the 10-day trial applies before paid billing
    • The 1-mailbox plan allows up to 100 warmup emails per day
    • Costs are charged per inbox, which can matter for larger mailbox counts
  • Warmy8.0/10 · Pricing on request · 7-day trial

    A broad deliverability suite for teams managing warm-up, placement, reputation, and authentication.

    Visit WarmyFull verdict →
  • InboxWarm.ai7.6/10 · From $15/mo · 10-day trial

    A focused warmup platform with private inbox networking, monitoring, and API access.

    Visit InboxWarm.aiFull verdict →

More comparisons

All email warmup software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update