Mailbox MCP vs TwinMind

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

Mailbox MCP compared with TwinMind
Detail	Mailbox MCP	TwinMind
What it does	Connect Claude, ChatGPT or any AI to your email mailbox	AI memory app that transcribes, summarizes and organizes your day into a searchable second brain
Stage	Established	Not given
Founded	2002	Not given
Based in	GB	Not given
Pricing model	Freemium	Not given
Pricing	Free: 5 calls per mailbox per day, no card required. Pro: £34.99 per mailbox per year plus VAT (£2.92 monthly equivalent). Team Access: Team 3 at £119.99 per year plus VAT, Team 5 at £199.99 per year plus VAT, Team 10 at £399.99 per year plus VAT per account.	Free plan: no cost, includes unlimited transcription, summaries, and AI chats. Pro: $11.99/month (billed annually) or $14.99/month (monthly), includes premium AI models, phone call recording, and audio upload. Max: $29.99/month (billed annually) or $49.99/month (monthly), includes 5x usage limits, a
Key features	Read email without marking as read Read attachments: PDFs, spreadsheets, photos Reply in thread with proper headers Send as any of your email aliases Email routines on a schedule Permission levels per connection Works with Gmail, Outlook and IMAP	Transcription in 140+ languages with automatic translation Integration with ChatGPT, Claude, and Gemini via MCP On-device recording with optional cloud backup Phone call recording on iOS and Android 16+ hours of battery-efficient capture Automatic daily digests and weekly recaps Audio file upload and transcription Automatic speaker separation on Max plan Email auto-tagging and draft generation Available on iOS, Android, macOS, Windows, and Chrome
What makes it different	Leaves mailbox completely untouched—no duplicate sent items, no marked-as-read flags, threading preserved Works with any MCP-compatible AI—not limited to Claude or ChatGPT Attachments never encoded—up to 20 MB, four ways to attach without passing through AI Email routines run automatically on schedule without manual prompts	Builds a searchable second brain organized by people, places, and projects automatically Does not require bot participation in calls - captures directly from your device Captures your entire day with meeting notes, conversations, and personal insights together Data never sold or used to train third-party AI models
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	26 +1 (up) since last check	50 +1 (up) since last check
Trust Flow (Majestic)	34	7
Citation Flow (Majestic)	32	33
Referring domains (Majestic)	61	422

4 details filled in for both companies.

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