Warmbase

Name: Warmbase
Price: 19 USD

Free trial Web

What Warmbase is

Warmbase is a web-based email warm-up tool for preparing inboxes before prospect outreach. It sends warm-up emails through its network, opens incoming warm-up messages, replies automatically, and moves messages out of spam when they land there. It says it works with Google Workspace, Zoho, Outlook, any email service, and SMTP; it also lists warm-up pages for Yahoo, iCloud, Yandex, AOL, SendGrid, and Amazon SES. Starter costs $9 a month per inbox and includes up to 50 warm-up emails a day, AI conversations, scheduling controls, a progress dashboard, and chat support. Professional costs $19 a month per inbox, with up to 75 daily emails, weekly placement reports, reputation alerts, and priority support. Advanced is $29 a month per inbox and includes up to 100 daily emails, daily placement monitoring, a multi-inbox dashboard, and an onboarding call. The seven-day free trial requires no credit card, and Warmbase says customers can cancel anytime. Volume discounts are available for 10 or more inboxes. Its homepage also lists free DMARC, SPF, and DKIM tools and an inbox placement test.

Who it suits

Warmbase suits senders preparing inboxes for prospect outreach, from users warming one inbox to teams handling multiple inboxes or clients. Its Advanced plan is positioned for high-volume senders and teams.

What it does well

Automates replies and moves messages from spam.
Supports SMTP and several named email providers.
Seven-day trial requires no credit card.
Volume discounts are available for 10 or more inboxes.
Homepage lists free email authentication tools.

What to know first

No free plan is listed.
Starter is limited to 50 warm-up emails per day per inbox.
Professional and Advanced cost 19.00 USD and $29 a month per inbox.

Limits

Starter allows 50 warm-up emails per day per inbox. Its free trial lasts seven days; no free plan is offered.

Plans

Plan	Billed and limits	Price
Professional	$19 / inbox / mo; monthly billing shown · 75 warmup emails/day per inbox · weekly inbox placement reports · reputation drop alerts · priority support	$19 a month
Advanced	$29 / inbox / mo; monthly billing shown · 100 warmup emails/day per inbox · daily placement monitoring · multi-inbox dashboard · volume discount at 10+ inboxes · onboarding call	$29 a month
Starter	$9 / inbox / mo; monthly billing shown · 50 warmup emails/day per inbox · all providers + SMTP · AI warmup conversations · warmup scheduling controls · progress dashboard · chat support	$9 a month

As warmbase.io lists them, read 4 Oct 2026. The maker's own page has the final word.

Getting started

Open warmbase.io in a web browser.
Choose Starter, Professional or Advanced based on inbox volume and reporting needs.
Connect an inbox from a supported provider or use SMTP.
Set warm-up scheduling controls if using Starter.
Begin the seven-day trial without entering a credit card.

Verdict

Warmbase automates several parts of inbox warm-up and offers increasing daily email limits and reporting across its paid plans. Its seven-day trial gives prospective users a way to try the service before paying.

Questions

How much does Warmbase cost?

Starter costs $9 / inbox / mo, Professional costs $19 / inbox / mo and Advanced costs $29 / inbox / mo, with monthly billing shown.

Is there a free plan or trial?

Warmbase has no free plan. It offers a seven-day free trial without a credit card and says customers can cancel anytime.

Which email providers does Warmbase support?

Warmbase says it works with Google Workspace, Zoho, Outlook and any email service, and its plans support SMTP. It also lists warm-up pages for Yahoo, iCloud, Yandex, AOL, SendGrid and Amazon SES.

What is the daily email limit?

Starter includes 50 warm-up emails per day per inbox, Professional includes 75 and Advanced includes 100.

Does Warmbase include inbox placement reporting?

Professional includes weekly inbox placement reports and reputation drop alerts. Advanced includes daily placement monitoring.

Does Warmbase offer volume pricing?

Warmbase says volume discounts are available at 10 or more inboxes. It also offers volume pricing and a multi-client dashboard for customers warming 10 or more inboxes or managing clients.

Facts from Warmbase's own pages

AI and scheduling: The Starter plan includes AI warm-up conversations and warm-up scheduling controls. · warmbase.io, 4 Oct 2026
Automated warm-up: The service sends warm-up emails through its network, opens incoming warm-up messages, replies automatically, and moves messages from spam when they land there. · warmbase.io, 4 Oct 2026
Custom email setup: Warmbase's SMTP warm-up page describes support for SMTP, while its homepage says the plans work with all providers plus SMTP. · warmbase.io, 4 Oct 2026
Free tools: The homepage lists free DMARC, SPF, and DKIM generators and checkers, plus an inbox placement test. · warmbase.io, 4 Oct 2026
Intended users: Warmbase positions Starter for getting one inbox out of spam, Professional for senders who cannot afford to guess, and Advanced for high-volume senders and teams. · warmbase.io, 4 Oct 2026
Privacy statement: Warmbase says it moves messages from recipients' spam folders automatically and describes that process as maintaining privacy. · warmbase.io, 4 Oct 2026
Product: Warmbase describes itself as an email warm-up tool for preparing inboxes before prospect outreach. · warmbase.io, 4 Oct 2026
Providers: Warmbase says it works with Google Workspace, Zoho, Outlook, and any email service, and lists Yahoo, iCloud, Yandex, AOL, SendGrid, and Amazon SES warm-up pages. · warmbase.io, 4 Oct 2026
Reporting: Professional includes weekly inbox placement reports and reputation drop alerts, while Advanced includes daily placement monitoring. · warmbase.io, 4 Oct 2026
Support: Starter includes chat support, Professional includes priority support, and Advanced includes an onboarding call. · warmbase.io, 4 Oct 2026
Trial: Warmbase offers a 7-day free trial with no credit card required and says customers can cancel anytime. · warmbase.io, 4 Oct 2026
Volume pricing: Warmbase says volume discounts are available at 10 or more inboxes and offers volume pricing and a multi-client dashboard for customers warming 10 or more inboxes or managing clients. · warmbase.io, 4 Oct 2026

Where Warmbase stands on Freedom251

Email Warmup Software#21 of 24