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HammerAI vs TabMail

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

HammerAI compared with TabMail
DetailHammerAI logo HammerAITabMail logo TabMail
What it doesFree private AI chat and roleplay platform Agentic AI email assistant with zero data retention for iOS and Thunderbird
StageNot given Not given
FoundedNot given Not given
Based inNot given CA
Pricing modelFreemium Freemium
PricingFree: unlimited local AI chat, 600 cloud messages/day, 2 cloud LLMs, 8,192 token context. Starter: $9/month with 1,500 credits/month, unlimited cloud messages, 4 cloud LLMs, 16,384 token context. Advanced: $18/month with 3,500 credits/month, 8 cloud LLMs, 32,768 token context. Ultimate: $35/month wi 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
  • Local AI models with offline support
  • 20+ language models supported
  • AI character roleplay
  • AI story writing
  • Group chats with multiple AI characters
  • No account required for local use
  • Conversation memory with automatic summaries
  • 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
  • Completely free local AI chat with no internet required
  • Total privacy with no data collection for local models
  • Works offline on desktop without any account
  • Support for 20+ open-source language models
  • Cloud and local options with cross-platform availability
  • 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)52 +1 (up) since last check3 no change since last check
Trust Flow (Majestic)71
Citation Flow (Majestic)3519
Referring domains (Majestic)24542

5 details filled in for both companies.

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