Mailbox MCP vs Snowgoose

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 Snowgoose
Detail	Mailbox MCP	Snowgoose
What it does	Connect Claude, ChatGPT or any AI to your email mailbox	Access multiple AI models through one subscription with credits that roll over for a full year
Stage	Established	Not given
Founded	2002	Not given
Based in	GB	Not given
Pricing model	Freemium	Freemium
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.	Monthly Plans: Basic $10/month (800 credits/month, ~2000 GPT-4o prompts), Premium $20/month (1900 credits/month, ~4750 GPT-4o prompts). One-Time Credit Packs: Small Credit Pack $10 (600 credits), Large Credit Pack $30 (2000 credits). All credits valid for one year.
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	Unified access to multiple AI models including GPT 5, Claude Opus, Gemini, and DeepSeek Intelligent persona system with pre-built and custom AI configurations Web search integration for real-time information grounding Inline image generation and vision support for image upload and analysis Flexible output formats including Markdown, JSON, HTML, and CSV Thinking and reasoning support when available in models Clean and simple user interface optimized for ease of use Credits roll over for one year with no expiration Open-source platform with self-hosting option
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	Single subscription accesses all leading AI models instead of managing multiple $20+ subscriptions Credits roll over month-to-month and remain valid for a full year unlike competitors with monthly expiration No API key management or surprise bills, simpler than direct API usage Open-source project allowing code inspection and community contribution 2.4x more credits for just 2x the price with Premium plan
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)	37 −1 (down) since last check	4 no change since last check
Trust Flow (Majestic)	34	7
Citation Flow (Majestic)	32	22
Referring domains (Majestic)	61	85

5 details filled in for both companies.

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