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A9 Voice vs Headroom

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

A9 Voice compared with Headroom
DetailA9 Voice logo A9 VoiceHeadroom logo Headroom
What it doesDictation and meeting notes for Windows with no bot in your meeting Desktop app that compresses Claude Code and ChatGPT Codex inputs locally to cut token costs by up to 50%
StageNot given Not given
FoundedNot given Not given
Based inNot given NL
Pricing modelFreemium Freemium
PricingTranscribe is free forever. Notes is $49 once with a 30-day free trial. No subscription. Models running on your PC cost nothing per use. Using cloud providers, you pay them directly at their list prices; in tests a 27-minute meeting cost about 24 cents and an hour of dictation about 4 cents. Pro: $4/month billed monthly or $3/month billed annually (for Claude Pro or ChatGPT Plus); Max x5: $20/month billed monthly or $15/month billed annually (for Claude Max x5 or ChatGPT Pro $100); Max x20: $40/month billed monthly or $30/month billed annually (for Claude Max x20 or ChatGPT Pro); Team &
Key features
  • Hold Ctrl+Space to dictate in any app with a text box
  • Auto-start recording when Teams, Zoom or other meeting apps open the mic
  • Speaker identification by voice tagging or voice recognition
  • Search and Ask across every note with Ctrl+K
  • Dictionary for custom spelling of names and jargon
  • Works offline with speech models downloaded on your PC
  • Supports over 60 languages depending on speech engine
  • Webhooks to send finished notes to n8n, Zapier, Slack, Discord or Telegram
  • Local input compression of tool output and boilerplate
  • Reversible compression preserving retrieval of original content
  • Real-time savings dashboard and activity tracking
  • Eight optional add-ons for further optimization
  • Support for Claude Code IDE extensions and agent runners
  • Privacy-first architecture with all optimization on-device
  • Compatibility with Claude Pro, Claude Max, ChatGPT Plus, and ChatGPT Pro
  • Minimal latency overhead of approximately 52 milliseconds
  • Support for Windows, macOS, and Linux operating systems
  • Project learnings saved to agent instruction files
What makes it different
  • No bot joins your call; records only your PC's audio locally
  • Notes saved as plain Markdown files you own and can read with any tool
  • Achieves 25-50% token reduction on typical Claude Code sessions without requiring model subscription upgrades
  • All compression runs locally on your machine with no data sent to servers
  • Reversible compression preserves output quality and allows retrieval of original content on demand
  • Works transparently with existing IDE extensions and agent runners without workflow changes
  • Built on open-source Headroom CLI engine available free on GitHub
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)7 +7 (up) since last check15 +1 (up) since last check
Trust Flow (Majestic)26
Citation Flow (Majestic)1231
Referring domains (Majestic)3135

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