Compare/Head to head

Breakcold vs Master Inbox

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Starting price

Breakcold

$59/mo 14 day free trial

An AI-native CRM from $59/mo that puts email, LinkedIn, WhatsApp and Telegram conversations in one inbox and pipeline, with unlimited enrichment, a meeting recorder and a first-party MCP server. 14-day trial. Best for agencies, founders and small teams that sell through LinkedIn and messaging apps.

Where Breakcold fits

  • Agencies managing LinkedIn and WhatsApp conversations
  • Founders who sell through LinkedIn DMs
  • Recruiters tracking candidate chats across channels

Master Inbox

$599/mo

Master Inbox collects every cold email and LinkedIn reply from your sequencers into one AI-labeled inbox, with a separate workspace for each client. It suits outbound agencies and recruiting firms running business development across many mailboxes and clients. Plans start at $599 a month on annual terms billed monthly, and the vendor runs a free 7-day proof of concept on your own inboxes.

Where Master Inbox fits

  • Outbound agencies managing replies for many clients
  • Teams running several sequencers and LinkedIn tools at once
  • Agencies that want to give clients a scoped inbox login
  • RevOps leads tracking missed replies and response time

At a glance

DetailBreakcoldMaster Inbox
Starting price$59/mo$599/mo
Free tier–No–No
Free trial14 day free trialNot on record
MCP server✓Yes–No
Public API✓Yes✓Yes
Listed underCRM, LinkedInOutreach, Workflow automation
Capterra4.8 from 94 reviewsNot enough reviews

Where they pull apart

Breakcold

Stands out: Few CRMs pull LinkedIn, WhatsApp and Telegram conversations into the same inbox as email, and Breakcold adds unlimited person and company enrichment plus an MCP server that the vendor says exposes 62 tools.

Watch out: It is a CRM, not a sequencer: pair it with HeyReach, lemlist or Instantly to send outreach. AI actions, email and phone finding, call recording and API calls all spend tokens, so the bill depends on usage.

Not the right fit for

  • Teams looking for an outreach automation tool
  • Buyers who want a fixed, usage-free price
  • Large sales teams on Salesforce

Master Inbox

Stands out: It reads the mailboxes themselves rather than relying on the sequencer's reply feed, so forwards, CC replies and replies from new addresses show up alongside the rest, which a sequencer unibox such as Instantly's can miss. Unlimited users on every plan and per-client workspaces with scoped client logins make it built for agencies that hand reply handling to a team.

Watch out: The entry price of $599 a month is high for a solo recruiter or a small desk, and month to month billing adds 25%. Native Salesforce sync is not available yet and runs through webhooks or the OutboundSync partnership, and AI usage is paid separately on your own model key.

Not the right fit for

  • Solo recruiters with a handful of mailboxes
  • Teams that need native Salesforce sync
  • Buyers who want a low monthly entry price

Pros and cons

Breakcold

  • LinkedIn, WhatsApp and Telegram in one CRM
  • Unlimited basic enrichment
  • First-party MCP and API
  • Not an outreach sequencer
  • Token costs for AI and enrichment
  • Price changes with sliders

Master Inbox

  • Unlimited users on every plan
  • Catches forwards and replies sequencers miss
  • Per-client workspaces with scoped logins
  • Starts at $599 a month
  • Salesforce not native yet
  • AI usage billed on your own model key

What each one costs

Breakcold

$59/mo

Breakcold sells one plan, starting at $59/mo for one seat, two connected accounts and 3,000 AI CRM actions. Sliders add seats, connected accounts and tokens, and the price rises with them; the page does not say whether $59 is a monthly or annual rate. Person and company enrichment is unlimited, while email and phone finding, AI features, call recording and API calls use tokens. A 14-day free trial is offered. Confirm current terms on the vendor site.

Checked 21 Oct 2026

Master Inbox

$599/mo

Master Inbox prices on client workspaces and mailboxes, with unlimited users on every plan. Listed prices are annual, billed monthly; month to month costs 25% more and annual prepaid saves 15%. For agencies, Agency is $599 a month for 15 client workspaces and 3,000 mailboxes, Scale is $1,297 a month for 40 workspaces and 15,000 mailboxes, and Unlimited is $1,697 a month for unlimited workspaces and 30,000 mailboxes. A Ramp option for agencies with fewer than five clients starts at $299 a month with a $500 onboarding fee that is credited back. For in-house teams, Team is $799 a month for 2,000 mailboxes and Revenue is $1,499 a month for 7,500 mailboxes. Enterprise and the white-label Platform plan start at $2,500 a month on annual terms. The vendor offers a free 7-day proof of concept on your own inboxes. Confirm current terms on the vendor site.

Checked 4 Nov 2026

Common questions

Is Breakcold cheaper than Master Inbox?
Breakcold starts lower, at $59/mo against $599/mo for Master Inbox. That is the entry plan on each side, so the real number depends on seats and the tier you land on.
Can you try Breakcold or Master Inbox for free?
Neither carries a free tier on our listing. Breakcold offers a 14 day free trial.
Does Breakcold or Master Inbox have an MCP server?
Breakcold ships a first party MCP server, so an AI assistant can work the product directly.

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Editorial listings, never paid rankings. Prices checked 21 Oct 2026. Confirm current terms on the vendor site. Spot an error?