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Head-to-head · Email Warmup Software

TrulyInbox vs InboxWarm.ai

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score TrulyInbox #1 in Email Warmup Software 10.0/10 Free plan · paid from $22/mo (annual) · 7-day trial Free plan✓ 3 of 3 features Visit TrulyInbox
InboxWarm.ai #5 in Email Warmup Software 7.6/10 From $15/mo · 10-day trial ✓ 3 of 3 features Visit InboxWarm.ai

TrulyInbox leads on 2 checks, InboxWarm.ai on 0, and 3 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTrulyInbox · 10.0/10
  • Free planonly TrulyInbox

TrulyInbox scores higher on our rubric for email warmup software: 10.0 against 7.6 out of 10; our editors rank them #1 and #5.

TrulyInbox offers free plan; InboxWarm.ai doesn't. On warmup network, TrulyInbox gives you Shared where InboxWarm.ai offers Private. TrulyInbox leads on daily email limit: 200 /day versus 100 /day.

TrulyInbox is the better fit for teams needing broad, scalable warmup control. InboxWarm.ai is the better fit for growing teams managing many private warmup inboxes.

  • TrulyInbox fits best

    Teams needing broad, scalable warmup control

  • 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. How we rank.

Side by side

Feature TrulyInbox 10.0/10 Visit ↗ InboxWarm.ai 7.6/10 Visit ↗
At a glance
Editor score 10.0 7.6
Ranking #1 in Email Warmup Software #5 in Email Warmup Software
Best for Teams needing broad, scalable warmup control Growing teams managing many private warmup inboxes
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) —
Free trial — —
Free trial length 7 days · no card needed 10 days · no card needed
Deployment Cloud Cloud
Platforms Web Web
Support Email, Live chat Email, Docs · 24/7
Integrations 13 integrations 6 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features TrulyInbox 3/3 · InboxWarm.ai 3/3
Custom warmup schedule ✓ ✓
Spam monitoring ✓ ✓
Multiple mailboxes ✓ ✓
Specs
Warmup network Shared Private
Daily email limit 200 /day (best) 100 /day
Mailbox providers Not published Not published
Our review
Pros
  • Connects Google, Microsoft, and SMTP/IMAP mailboxes
  • Offers configurable strategies, schedules, reply rates, and ESP targeting
  • Adds deliverability scores, 90-day history, and blacklist monitoring
  • 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
  • Warmup interactions use a shared inbox network
  • Advanced analytics and reports start with the Growth plan
  • Scale Plus 5K lists a higher tier without additional highlighted features
  • 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

TrulyInbox is an email warmup and deliverability platform for individuals, sales teams, agencies, and outbound-focused businesses. It connects Google, Microsoft, and SMTP/IMAP mailboxes, then automates warmup interactions through a shared…

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. TrulyInboxEmail Warmup Software 10.0Free plan · paid from $22/mo (annual) · 7-day trial
  2. InboxWarm.aiEmail Warmup Software 7.6From $15/mo · 10-day trial

Strengths and trade-offs

  • TrulyInbox — where it wins

    • Connects Google, Microsoft, and SMTP/IMAP mailboxes
    • Offers configurable strategies, schedules, reply rates, and ESP targeting
    • Adds deliverability scores, 90-day history, and blacklist monitoring

    Where it doesn't

    • Warmup interactions use a shared inbox network
    • Advanced analytics and reports start with the Growth plan
    • Scale Plus 5K lists a higher tier without additional highlighted features

  • 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
  • TrulyInbox10.0/10 · Free plan · paid from $22/mo (annual) · 7-day trial

    Broad mailbox coverage, configurable warmup, and deliverability monitoring with a free plan.

    Visit TrulyInboxFull 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