Mailbox MCP vs Foreverse

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 Foreverse
Detail	Mailbox MCP	Foreverse
What it does	Connect Claude, ChatGPT or any AI to your email mailbox	AI roleplay and novel reader for mobile with branching story continuations and SillyTavern compatibility
Stage	Established	Startup
Founded	2002	2026
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 core app with unlimited messages. Optional one-time Pro purchase: $19.99 (unlocks 3+ books/cards/companions). AI costs: bring your own API key at provider list price with zero markup, or official credits at $0.0001 per credit (5,000 granted at sign-up). Credit packs: $0.99 (6,000 credits), $2.9
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	SillyTavern character card and lorebook import AI story continuation with branching timelines Support for 60+ AI providers including OpenAI, Claude, DeepSeek Visual novel theater mode with choices Roleplay chat with 12 contextual actions Text-to-speech narration with speed and sleep timer Five page-turn animation styles including realistic curl API key encryption with zero-markup provider routing Request logging with prompt cache hit tracking
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	First mobile reader that treats AI continuation as structural branches rather than overwrites Zero-markup pricing for 60+ AI providers at raw list price 89% prompt cache hit rate saves costs on repeated contexts Free core with every feature except unlimited library storage
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	9 −1 (down) since last check
Trust Flow (Majestic)	34	6
Citation Flow (Majestic)	32	38
Referring domains (Majestic)	61	67

7 details filled in for both companies.

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