Email warmup alternatives, compared.

One page per tool people look to replace: 9 lists of 5 to 7 alternatives, each compared on what engages with your mail, whether it rescues from spam, whether a placement test is included, and the price at 10 mailboxes on the vendor's own pricing page, read .

Disclosure: MailStrike makes email warmup software and appears first on every list. Every line about another vendor comes from that vendor's own pages.

One thing no feature column shows: whether the receiver can tell it is warmup. Engagement that repeats the same phrases between the same pool of mailboxes is a pattern Google and Microsoft can recognize, and neither approves of warmup it can detect. MailStrike writes every thread with the LLM in the mailbox owner's style, so there is no template to match.

InstantlyA cold outreach platform (sequencer, lead database, CRM) with warmup bundled into every plan7 alternativesMailReachA warmer and a spam tester sold as one All-In-One plan; the spam tester also sold alone on credits7 alternativesLemwarmlemlist's warmup and deliverability monitor, sold standalone and included free with every lemlist plan7 alternativesWarmup InboxA warmup tool with outreach sequences bundled into every paid plan7 alternativesWarmyAn all-in-one deliverability platform: warmup, seed lists, insights, Google Postmaster integration, email verification7 alternativesWarmboxA standalone warmup tool; the engine behind Apollo's warmup7 alternativesInboxAllyA seed-engagement deliverability platform: you add InboxAlly's own addresses to your real campaigns and their system engages with what lands6 alternativesFolderlyA deliverability platform: mailbox warmup, Inbox Insights placement tests and Pulse monitoring, with consulting7 alternativesMail-TesterA single-address spam-score test with a set of free DNS tools5 alternatives

Monthly cost at 10 mailboxes, USD, on the plan each vendor publishes for that count

Monthly cost at 10 mailboxes on each vendor's published prices: MailStrike $92, Instantly $47, MailReach $195, Lemwarm $290, Warmup Inbox $150, Mailwarm $479, TrulyInbox $84; no published figure for 10 mailboxes from Smartlead, Warmy, Warmbox, InboxAlly, Folderly, GlockApps, Mail-Tester.Instantly$47TrulyInbox$84MailStrike$92Warmup Inbox$150MailReach$195Lemwarm$290Mailwarm$479Smartleadno published figure for 10 mailboxesWarmyno published figure for 10 mailboxesWarmboxno published figure for 10 mailboxesInboxAllyno published figure for 10 mailboxesFolderlyno published figure for 10 mailboxesGlockAppsno published figure for 10 mailboxesMail-Testerno published figure for 10 mailboxes
Each bar is the vendor's own published price for the plan that covers 10 mailboxes, read on ; MailStrike is the Professional plan billed annually. A vendor with no bar publishes no figure for that count: it prices by another unit (emails a day, seed emails, plan bands) or quotes after a demo. The basis for every figure is in the table below.

The full cost table at 10, 50 and 100 mailboxes, with what each price includes, is on email warmup pricing compared; the row-by-row comparisons are under comparisons.

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