Ringmaster vs Inbox Hero

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Ringmaster compared with Inbox Hero
Detail	Ringmaster	Inbox Hero
What it does	Lifecycle email API your AI agent runs over MCP	AI scam protection and inbox management for Gmail
Stage	Not given	MVP
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Paid	Free trial
Pricing	$300 USD per month, billed monthly. Includes unlimited flows, campaigns and segments, 50,000 emails per month (more available on request), MCP server for any agent client, consent and unsubscribe handling, and DNS setup. Cancel anytime from billing portal.	Free for 14 days with no card required. After the trial: $99/year (27¢ per day, save 17%), $27 per quarter (save 10%), or $10/month for the first mailbox. Additional mailboxes cost $49/year, $13.50/quarter, or $5/month. Team pricing available for 5-15 people at $79/person/year ($8/month, save 20%).
Key features	REST API for event-driven emails with idempotency keys Automatic email deduplication One-click unsubscribe and automatic consent enforcement Campaign dry runs before sending Full analytics on opens, clicks, unsubscribes and conversions Domain verification with live DNS record checking	AI phishing, scam and fraud detection with sender and header verification Link inspection against phishing lists and look-alike domains Attachment checks for executables, macros and dangerous file types AI score showing how likely each email was written by AI Fraud quarantine folder with one-tap restore Automatic sorting of bulk mail into Later, Newsletters, Shopping and Notifications AI reply drafts in your voice sent only when you approve Ask your inbox natural language search and answers Daily inbox brief email at 9am with summaries and ready replies Works with Gmail, iCloud, Yahoo, AOL and other IMAP mailboxes
What makes it different	AI agents design and manage email flows in plain language over MCP Automatic timezone-aware daytime delivery Built-in compliance with bounce/complaint monitoring and auto-pause	Quarantines scams instead of deleting them, preserving evidence and allowing one-tap recovery Detects AI-written emails and mass-templated pitches with an AI score, never auto-filing personal email Combines fraud detection, AI scoring, and smart sorting with reply drafts in one integrated tool Layers onto your existing Gmail with zero migration or setup required Startup-friendly flat pricing with no seat minimums and a 14-day free trial requiring no card
Community votes	0	0
DR (Domain Rating by Ahrefs)	7 no change since last check	19 no change since last check
Trust Flow (Majestic)	0	2
Citation Flow (Majestic)	0	20
Referring domains (Majestic)	0	8

5 details filled in for both companies.

More alternatives to Ringmaster More alternatives to Inbox Hero