Folderly suits B2B teams working on outbound campaigns, cold outreach, or marketing who want campaign drafting alongside deliverability checks and monitoring.
Free plan Free trial WebAPI
Best Email Warm-Up Software 2026
Email warm-up software gives buyers a way to compare tools built for email warm-up work. This list helps shoppers review plan models, trials and starting prices.
Compare platform access across web, API, extensions, iOS and Android. Check whether a tool offers a free plan, a free trial or paid access, then review the maker's stated terms.
02
Instantly
Instantly suits sales and marketing teams, agencies, freelancers, founders, and sales development users who need email outreach and B2B lead discovery.
AndroidiPhone & iPadWeb+1 Record5.5 Visit
03
TrulyInbox
TrulyInbox may suit sales teams, recruiters, marketers, agencies, and businesses running cold outreach or campaigns.
WebAPI Record5.3 Visit
04
Smartlead
WebAPI Record4.9 Visit
05
Snov.io
Snov.io suits businesses and agencies looking for prospect research, contact enrichment, and campaign tools.
WebBrowser extensionAPI Record4.9 Visit
6
Woodpecker
WebBrowser extensionAPI — Record4.9 Visit It suits lead generation, sales, and recruitment professionals building B2B relationships through outbound campaigns.
Before you choose
Start with the plan model
Free plans appear for Folderly, Mailreach and TrulyInbox; Instantly, QuickMail, Smartlead and Warmbox show paid plans.
Use the plan label to narrow your choices before comparing prices or trial terms.
Compare trial terms
Trial periods vary by tool. A 14-day trial is listed for Instantly, QuickMail and Woodpecker. TrulyInbox and Warmy list 7-day trials.
A trial can provide temporary access before a paid plan begins, so check the stated duration.
Check starting prices
Across the published figures, Warmbox starts at $15 per month on annual billing and Folderly at $96 per month on annual billing. Mailreach shows paid plans beginning at $19.50 per month.
Other listed starting points include $32.50 per month for Smartlead on annual billing, $35 per month for Woodpecker and $49 per month for QuickMail.
Match the platform
Platform options represented on this list include web, API, extension, iOS and Android. Choose the access type that fits the way you plan to manage the tool.
Review the platform details for a specific product before choosing a plan.
Questions
What platforms do these tools run on?
Platforms represented on the list include web, API, browser extensions, iOS and Android.
Which listed tools have a free plan?
Folderly, Mailreach and TrulyInbox list a free plan.
Which tools list a 14-day trial?
A 14-day trial is listed for Instantly, QuickMail and Woodpecker.
Which tools list a 7-day trial?
TrulyInbox and Warmy list 7-day trials.
What is the lowest published starting price?
Warmbox shows annual-billing prices beginning at $15 per month. Warmup Inbox also lists paid plans beginning at $15 per month on annual billing, and its free-plan field says no.
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