TabMail
Agentic AI email assistant with zero data retention for iOS and Thunderbird
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AI-powered email assistant for existing inboxes on iOS and Thunderbird with voice dictation, email triage, and inbox management. Supports Gmail, Outlook
About TabMail
TabMail is an agentic AI email assistant available on iOS and as a Thunderbird add-on for desktop. It helps professionals manage email more efficiently through voice dictation, suggested replies, email triage, and an AI-powered inbox assistant. The service processes email and calendar content transiently without retaining it, supports Gmail, Outlook, iCloud, and IMAP inboxes, and includes features like agentic dictation that understands context and technical terms, calendar and web integration through Agent mode, and inline workflow tools.
Built by Lisem AI LTD, a Vancouver-based software company, TabMail extends Mozilla Thunderbird with AI capabilities while remaining open source. The Thunderbird add-on and iOS app are both open source, powered by a proprietary backend. Users can toggle AI features on and off at any time, and personalization data on iOS stays on device with optional cross-device sync.
- voice dictation
- agentic ai
- email assistant
- open-source
- ios
- privacy-first
- thunderbird
Features worth knowing
- 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
Pricing
Pricing model: Freemium
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
TabMail metrics
| Metric | Value |
|---|---|
| Domain Rating | 3 no change since last check |
| Trust Flow | 1 no change since last check |
| Citation Flow | 19 no change since last check |
| Referring domains | 42 no change since last check |
| External backlinks | 222 no change since last check |
Ahrefs Domain Rating scanned 1 Nov 2026, updated 1 Nov 2026. Main topic: Regional/Asia (1). Majestic scanned 1 Nov 2026, updated 1 Nov 2026. Link stats via Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
TabMail domain facts
Reveal the domain facts
| Domain age | 1 year |
|---|---|
| Registered | |
| Expires | |
| Registrar | Cloudflare, Inc |
| DNSSEC | Signed |
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FAQ
- Is there a free trial?
- Yes, eligible new TabMail accounts start with a free 2-week trial upon sign-up without requiring a credit card. The trial includes the full feature set and runs on the standard shared AI queue; Basic and Pro plans add a priority AI budget for faster AI agent requests. After the trial ends, you can subscribe to any plan to continue using TabMail's AI features.
- What is the Zero plan?
- Zero is a bring-your-own-key (BYOK) plan where TabMail's AI runs on your own OpenAI, Anthropic, or Google API account. Your subscription covers TabMail's infrastructure for sync, push notifications, and secure AI routing, while AI usage is billed directly by your provider. It includes no priority AI budget, so AI agent requests run at the slower shared-queue pace without your own keys.
- Can I switch plans?
- Yes, you can switch plans anytime. Upgrades take effect immediately with prorated billing. Switching to a lower tier takes effect at the end of your billing period, and you keep your current features until then. Note that subscribing while on the free trial starts billing immediately and ends the trial, forfeiting any remaining trial days.
- Can I cancel anytime?
- Yes, you can cancel anytime. When you cancel, you keep full access until the end of your billing period with no additional charges, and you can resubscribe whenever you're ready.
- What happens if I reach my usage limit?
- Your service continues to work, just at a slower pace. You can upgrade anytime for immediate access to higher limits.
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TabMail has a free listing. The owner can unlock the full profile with a paid launch for $5:
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Makers
- Kwang Moo YiFounder & CEO
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