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Warmforge vs Warmup Inbox

Pricing last verified from each vendor's own site.

Verdict

Both are email warmup tools priced per inbox. Warmforge is $10 per mailbox slot/mo billed quarterly with one free slot, plus optional placement tests. Warmup Inbox Basic is $15/inbox/mo (75 warmup emails a day), Pro $49 and Max $79, with a 7-day free trial.

Factual summary

This is a factual comparison drawn from vendor sites, not a recommendation. Which fits depends on your channels, volume and budget.

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Warmforge
Visit Warmforge ↗
Warmup Inbox
SummaryEmail warmup and inbox-placement testing from the Salesforge team, with DNS and blacklist health checks.Email warmup service that sends and engages with warmup messages to build sender reputation.
Starting priceFrom $10/moFrom $15/mo
Pricing detailsWarmup $10 per mailbox slot/mo billed quarterly (1 slot free; annual −10%); placement tests Pro $39/mo monthly ($32.50 annual), Growth $169 ($140.80); included free with Salesforge (unlimited warmup slots)Basic $15/inbox/mo (75 warmup emails/day); Pro $49; Max $79; volume lowers the per-inbox average; 7-day free trial
Modelfreemiumsubscription
Free trial—Yes
Free planYes—
Channelsemailemail
Last verified2026-10-292026-10-29

FAQ

What is the difference between Warmforge and Warmup Inbox?

Both are email warmup tools priced per inbox. Warmforge is $10 per mailbox slot/mo billed quarterly with one free slot, plus optional placement tests. Warmup Inbox Basic is $15/inbox/mo (75 warmup emails a day), Pro $49 and Max $79, with a 7-day free trial.

Which is cheaper, Warmforge or Warmup Inbox?

Warmforge has the lower listed entry price ($10 vs $15 per month), but plan limits and billing terms differ.

When should I choose Warmforge over Warmup Inbox?

Consider Warmforge if: You want the lower per-inbox price and a free slot to try it. Consider Warmup Inbox if: You want monthly billing and higher daily warmup volume tiers.

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