Hothawk sends your campaigns. Master Inbox runs the replies from all of them.
As of 28 October 2026 Hothawk's homepage describes a cold email sequencer that also collects replies in a master inbox. Master Inbox is a standalone reply platform: every sequencer, LinkedIn tool and inbound form in one inbox, with unlimited users. They can work side by side.
Free 7-day POC. Unlimited users on every plan. Your sender stays your sender.
What is Hothawk, really?
A cold email sequencer with a reply inbox attached. Three things to know when you compare it with a standalone reply platform.
Hothawk's homepage describes a cold email sequencer for outbound teams, with multi-step campaigns, mailbox rotation and warmup, and replies collected in a master inbox.
Hothawk prices a flat monthly plan metered by sends per month, not per seat or per mailbox, per its pricing page checked 28 October 2026.
Hothawk's September 2024 help articles described it as a master inbox that is not a sending platform. Older reviews may describe a different product.
If you want one tool to send and to hold replies, Hothawk is built for that. If you send from several tools, Master Inbox gives you one reply layer over all of them.
Hothawk and Master Inbox side by side
What each one is built for. The Hothawk column is what its own pages describe, checked 28 October 2026. The Master Inbox column is what ships today.
| Hothawk | Master Inbox | |
|---|---|---|
| Built for | Outbound teams that want to send and handle replies in one tool | Outbound teams and agencies working replies across every sender |
| Replies it works on | Replies collected in its master inbox | Every reply from every connected mailbox and sequencer, including forwards, CC replies and new addresses |
| Not described on the pages we read | Email plus LinkedIn from HeyReach, Expandi, Aimfox and native seats, threaded per prospect | |
| AI | Not described on the pages we read | AI intent labels on every reply on your own key, plus reply agents that answer and book meetings |
| Pricing model | Flat monthly plan metered by sends per month | Mailboxes and client workspaces, unlimited users, free 7-day POC |
| Sequencer choice | Its own sequencer, with a listed EmailBison integration | Works with Smartlead, Instantly, EmailBison, Reply.io, Lemlist and more |
| Client access | Not described on the pages we read | A workspace per client with scoped client logins and reporting without a login |
Pick your sender. Master Inbox handles the replies.
Master Inbox works alongside whichever sequencer you keep. Three steps on the first call.
Connect your senders
Smartlead, Instantly, EmailBison, HeyReach and the mailboxes behind them, by API key or OAuth.
Label and route
AI labels every reply by intent. Interested replies reach the right rep with a draft, in Slack or the inbox.
Automate the hand-offs
A booked meeting stops the sequence, pings Slack and updates the CRM, in one workflow.
Hothawk is a real product with real users. Master Inbox is built for the reply layer over every sender.
Compared against Hothawk's public pages, last checked 28 October 2026. Hothawk is a trademark of its owner; Master Inbox is an independent product and is not affiliated with Hothawk. Read the long comparison: Master Inbox vs Hothawk.
Explore more: Hothawk alternative, Hothawk pricing, Hothawk alternatives, The better unibox
Questions we get
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