Mailbox MCP vs Fello AI

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 Fello AI
Detail	Mailbox MCP	Fello AI
What it does	Connect Claude, ChatGPT or any AI to your email mailbox	All the best AI models in one native app for Mac, iPhone and iPad
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.	Free version with 5 questions per hour with premium models; premium subscription available for unlimited access
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	Access 20+ AI models including GPT-6, Claude, Gemini, DeepSeek, Grok and Kimi Convert files to different formats (PDF to Word, Excel, PowerPoint) Web search with sources cited Upload and chat with multiple files simultaneously Reasoning mode for complex problems Multi-language support for prompts and interface
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	Switch between multiple AI models mid-conversation without separate subscriptions Native app optimized for Mac, iPhone and iPad with full cross-device sync All conversations stored locally on device with no data saved to servers One subscription covers Mac, iPhone and iPad Create and export real files (documents, spreadsheets, images, podcasts)
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	58 −1 (down) since last check
Trust Flow (Majestic)	34	18
Citation Flow (Majestic)	32	43
Referring domains (Majestic)	61	1512

5 details filled in for both companies.

More alternatives to Mailbox MCP More alternatives to Fello AI