TabMail vs Edubrain

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

TabMail compared with Edubrain
Detail	TabMail	Edubrain
What it does	Agentic AI email assistant with zero data retention for iOS and Thunderbird	Free AI homework helper with no sign-up required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	CA	CY
Pricing model	Freemium	Freemium
Pricing	Free 2-week trial (eligible new accounts). TabMail Zero: brings your own API keys (OpenAI, Anthropic, Google). TabMail Basic: CAD $15.00 per month (includes TabMail Voice for macOS, agentic dictation, unlimited email autocompletion and AI agent requests, limited priority AI agent requests, good for	Free plan: unlimited use with ads, free access to all AI tools, download and share responses. AI-Plus: $3.99 per week with ad-free experience, advanced reasoning, and discounted expert reviews. Expert help available from $3.99 for services including presentations, homework help, STEM support, writin
Key features	Voice dictation with context awareness for composing and editing emails Suggested email replies with AI composition Email triage and inbox management AI-powered inbox assistant for research and answering questions Agentic mode with calendar, contacts, files, web search integration Support for Gmail, Outlook, iCloud, and IMAP accounts Zero data retention for email and calendar content On-device personalization data storage on iOS Toggleable AI features with privacy controls	Upload photos, PDFs, text, or audio files for instant analysis Step-by-step explanations with formula display and logic breakdown Support for 90+ subjects including math, science, engineering, and humanities Free and paid tiers with unlimited use on free plan Advanced reasoning mode for complex problems Download and share responses via share links Customizable answer formats: fast answers, detailed solutions, or corrections No account creation or personal data collection required
What makes it different	Zero data retention: email and calendar content processed transiently without server storage Open source: Thunderbird add-on and iOS app are publicly available on GitHub for transparency and contribution Works with existing inboxes: no vendor lock-in, integrates Gmail, Outlook, iCloud, and IMAP Agentic dictation understanding technical terms and acronyms through screen context Built on trusted open source: Mozilla Thunderbird foundation with modern ML capabilities	No sign-up required and no personal data collected Available 24/7 instantly with responses within 10 seconds Covers 90+ subjects and works across all academic levels Privacy-first with files deleted immediately after processing
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)	3 no change since last check	69 no change since last check
Trust Flow (Majestic)	1	26
Citation Flow (Majestic)	19	42
Referring domains (Majestic)	42	1024

6 details filled in for both companies.

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