Comparison
VoiceOS vs Willow
Both VoiceOS and Willow are solid AI dictation tools with high accuracy and smart formatting. The big difference? VoiceOS also has Agent Mode, which lets you actually do things across your apps. Send Slack messages, fire off emails, book meetings, search the web. All by voice, without switching apps.
What they share
Both are AI dictation tools that support 100+ languages, dictionary learning, writing style personalization, and SOC 2 Type II compliance. Both work in any text field on Mac and Windows.
Where VoiceOS pulls ahead
VoiceOS goes beyond dictation. Agent Mode lets you execute real actions across your apps and the internet:
- Slack messages: Say "Reply to Sarah that I'll have it ready by 3pm" and it sends. No app switching.
- Emails via Gmail: "Email the team the proposal and ask for feedback." Done.
- Calendar events: "Schedule a meeting with design for Friday at 2pm." Booked.
- Notion, Drive, Docs, Sheets: Create pages, share files, update spreadsheets. All by voice.
- Web search: "What's the weather this weekend?" Get results and use them in follow-up actions.
- Chain it all together: "Check the weather, email Jake about surfing with the forecast, and create a calendar event." One command. Multiple actions.
What about Willow?
Willow offers a few things VoiceOS doesn't focus on:
- iOS app: Willow is already on iPhone. VoiceOS iOS is coming soon.
- HIPAA compliance: Willow offers HIPAA on enterprise plans, useful for healthcare workflows.
The real enemy: context switching
Dictation tools like Willow make you a faster typer. That's great. But you still have to switch apps to respond to a Slack message, send an email, or create a calendar event. VoiceOS removes that entirely. A Slack notification comes in while you're coding? Say "reply that I'll look into it after lunch" and it's sent. You never leave your editor. You never break your flow.
Side by side
| Feature | VoiceOS | Willow |
|---|---|---|
| Processing Speed | 300ms | 300ms |
| Accuracy | 98%+ with context | Not independently verified |
| Languages | 100+ with dialects | 100+ |
| Agent Mode (voice-to-action) | ✓ | ✗ |
| Multi-step action chaining | ✓ | ✗ |
| Web search from voice | ✓ | ✗ |
| Slack messages by voice | ✓ | ✗ |
| Gmail emails by voice | ✓ | ✗ |
| Google Calendar events | ✓ | ✗ |
| Notion pages by voice | ✓ | ✗ |
| Google Drive management | ✓ | ✗ |
| Dictionary Terms | Automatic + manual | Automatic + manual |
| Writing Style Personalization | ✓ | ✓ |
| SOC 2 Type II | ✓ | ✓ |
| Team Features | Dictionary, knowledge base, billing | Dictionary & shortcuts |
| Enterprise Features | SSO, billing, zero retention | SSO, billing, controls |
| macOS | ✓ | ✓ |
| Windows | ✓ | ✓ |
| iOS | Coming soon | ✓ |
VoiceOS or Willow?
Go with Willow if you only need dictation and require HIPAA compliance for healthcare.
Go with VoiceOS if typing faster isn't enough. If your day is spent bouncing between Slack, email, calendar, and docs, and you want to handle all of it by voice without leaving your current app, VoiceOS is built for exactly that.