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Head-to-head · Email Warmup Software

TrulyInbox vs Warmup Inbox

  • Updated Sep 2026
  • Both researched from official sources
  • 4 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
Warmup Inbox #4 in Email Warmup Software 7.6/10 Free plan · paid from $15/mo (annual) · 7-day trial Free plan✓ 0 of 3 features Visit Warmup Inbox

TrulyInbox leads on 3 checks, Warmup Inbox on 0, 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 scoreTrulyInbox · 10.0/10
  • Free planboth
  • Most featuresTrulyInbox · 3 of 3

TrulyInbox scores higher on our rubric for email warmup software: 10.0 against 7.6 out of 10; our editors rank them #1 and #4.

TrulyInbox offers custom warmup schedule; Warmup Inbox doesn't publish it. TrulyInbox offers spam monitoring; Warmup Inbox doesn't publish it. TrulyInbox offers multiple mailboxes; Warmup Inbox doesn't publish it.

TrulyInbox is the better fit for teams needing broad, scalable warmup control. Warmup Inbox is the better fit for users wanting free warmup plus deliverability tools.

  • TrulyInbox fits best

    Teams needing broad, scalable warmup control

  • Warmup Inbox fits best

    Users wanting free warmup plus deliverability tools

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 ↗ Warmup Inbox 7.6/10 Visit ↗
At a glance
Editor score 10.0 7.6
Ranking #1 in Email Warmup Software #4 in Email Warmup Software
Best for Teams needing broad, scalable warmup control Users wanting free warmup plus deliverability tools
Pricing model Free plan + paid Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Free trial length 7 days · no card needed 7 days · no card needed
Deployment Cloud Cloud
Platforms Web Web
Support Email, Live chat Email, Live chat
Compliance SOC 2 GDPR
Integrations 13 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features TrulyInbox 3/3 · Warmup Inbox 0/3
Custom warmup schedule ✓ (best) Not published
Spam monitoring ✓ (best) Not published
Multiple mailboxes ✓ (best) Not published
Specs
Warmup network Shared Not published
Daily email limit 200 /day Not published
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
  • Automated warmup through a network of real inboxes
  • Monitors inbox, spam, category placement, reputation, and blacklists
  • Supports major mailbox providers plus REST API access
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
  • Pricing is charged per inbox, which can increase with mailbox volume
  • Advanced warmup controls begin on the Pro plan
  • Max is required for premium support and unlimited developers API
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 →

Warmup Inbox is a web and API platform for sales, marketing, recruiting, and agency teams that send outbound email. It automates warmup through a network of real inboxes while tracking inbox, spam, and category placement. The product also…

Read the review →
  1. TrulyInboxEmail Warmup Software 10.0Free plan · paid from $22/mo (annual) · 7-day trial
  2. Warmup InboxEmail Warmup Software 7.6Free plan · paid from $15/mo (annual) · 7-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

  • Warmup Inbox — where it wins

    • Automated warmup through a network of real inboxes
    • Monitors inbox, spam, category placement, reputation, and blacklists
    • Supports major mailbox providers plus REST API access

    Where it doesn't

    • Pricing is charged per inbox, which can increase with mailbox volume
    • Advanced warmup controls begin on the Pro plan
    • Max is required for premium support and unlimited developers API
  • 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 →
  • Warmup Inbox7.6/10 · Free plan · paid from $15/mo (annual) · 7-day trial

    A broad warmup and monitoring toolkit with flexible mailbox connections and API access.

    Visit Warmup InboxFull 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