| What it does | AI keyboard for iPhone that generates perfect replies in seconds
| Desktop app that compresses Claude Code and ChatGPT Codex inputs locally to cut token costs by up to 50%
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| Stage | Startup
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| Founded | 2026
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| Based in | US
| NL
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| Pricing model | Freemium
| Freemium
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| Pricing | KOPY Pro: $10.00/month billed annually (all 4 modes, all 10 reply tones, 1,000 replies per month, personalization profiles, custom modes and tones). Own Key: $12.99 one-time purchase (all 4 modes, all 10 reply tones, use your own OpenAI key, no monthly fees).
| 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 &
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| Key features | - Four reply modes: Social, Work, Dating, and Insight
- 10 reply tones including Agree, Disagree, Funny, Insight, Neutral, Rizz, Spicy, Question, Continue, and Professional
- Works in any iOS app with a text field including WhatsApp, iMessage, Tinder, Gmail, Slack, and more
- Privacy-first with no message storage
- Personalization profiles
- Custom modes and tones
- 1,000 replies per month with KOPY Pro
- Bring Your Own Key option to use personal OpenAI API key
| - 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
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| What makes it different | - Native iOS keyboard that works in every app without switching or copy-pasting
- Replies that sound natural and match the user's voice, not robotic
- Context-aware replies that adapt to conversation, platform, and relationship
- Privacy by default with no message logging or storage
- Option to use your own OpenAI API key to avoid monthly subscription fees
| - 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
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ● no change since last check | 15 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 6 | 6 |
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| Citation Flow (Majestic) | 21 | 31 |
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| Referring domains (Majestic) | 26 | 135 |
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Headroom