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Harco vs TabMail

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

Harco compared with TabMail
DetailHarco logo HarcoTabMail logo TabMail
What it doesAI conversation rehearsal and management roleplay partner Agentic AI email assistant with zero data retention for iOS and Thunderbird
StageMVP Not given
FoundedNot given Not given
Based inFR CA
Pricing modelFree trial Freemium
PricingMonthly subscription: €20/hour/month (e.g., 5 hours = €100/month, cancel anytime). Annual subscription: €18/hour/month billed yearly (e.g., 5 hours = €90/month, 10% discount). Top-up hours: €30/hour one-time, valid 12 months. 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
Key features
  • Live voice conversation with realistic AI character
  • Real-time character responses that read tone, pace, and hesitation
  • Reflective debrief with specific feedback and one thing to try next time
  • Custom framework integration
  • Team practice spaces with shared scenario library
  • Browser-based, no installation required
  • EU-based data processing with encryption and 30-day deletion
  • English and French language support
  • 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
What makes it different
  • Practice with zero real-world cost before high-stakes conversations
  • Consistent training across teams on the same scenarios
  • Builds instinct through realistic repetition rather than theory
  • Realistic voice simulations that respond like real counterparts
  • Measurable improvement tracking across individuals and teams
  • 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
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)8 no change since last check3 no change since last check
Trust Flow (Majestic)161
Citation Flow (Majestic)2919
Referring domains (Majestic)5142

6 details filled in for both companies.

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