Kensi vs VoiceOS
Voice-first operating layer for Mac with AI transcription and formatting.
Last updated March 2026
Kensi
12/12
VoiceOS
4.5/12
The bottom line
VoiceOS is a YC-backed AI dictation tool for Mac with solid formatting and app integration. It processes audio in the cloud but stores transcripts locally. Kensi differentiates with fully on-device speech recognition, a Privacy tier that''s completely offline, iOS support, Ambient mode, and deep technical vocabulary with 80+ mappings and per-app entries.
Feature comparison
Feature by feature
All 12 voice-to-text capabilities compared
| Feature | Kensi | VoiceOS |
|---|---|---|
| On-device speech recognition | Yes | No |
| AI/LLM text correction | Yes | Yes |
| Screen context awareness | Yes | Partial |
| Works in any app | Yes | Yes |
| Ambient/background mode | Yes | No |
| Custom personas | Yes | No |
| Privacy-first (no cloud required) | Yes | Partial |
| Works fully offline | Yes | No |
| Rewrite/edit mode | Yes | Partial |
| Ask/generate mode | Yes | Yes |
| Technical vocabulary | Yes | No |
| iOS support | Yes | No |
Pricing
Pricing at a glance
Kensi
Free during alpha, no credit card
VoiceOS
Pro plan for advanced features. YC-backed startup.
Bottom line: $3/mo less with on-device privacy, Ambient mode, iOS support, and technical vocabulary
VoiceOS strengths
- AI-powered transcription with automatic filler word removal and formatting
- Works across Mac apps (Gmail, Slack, Notion, Cursor, etc.)
- Audio processed in real time and never stored without permission
- Transcripts saved locally on device
Kensi strengths
- On-device speech recognition — audio never leaves your device
- Screen context awareness with @-mention resolution
- 80+ technical term mappings with per-app vocabulary
- Fully offline AI tier (Privacy plan)
- Ambient mode for always-on meeting transcription
Which tool fits you?
Choose VoiceOS if you...
- Want a voice-first workflow on Mac with AI formatting
- Are comfortable with cloud-based speech processing
- Need dictation across many Mac apps
Choose Kensi if you...
- Need on-device speech recognition for privacy
- Want technical vocabulary with 80+ mappings
- Need iOS support or always-on meeting transcription
- Want to work fully offline
Kensi vs VoiceOS asked
Both are Mac voice-to-text apps with AI features. VoiceOS processes audio in the cloud while saving transcripts locally. Kensi processes speech entirely on-device, offers a fully offline AI tier, includes Ambient mode, iOS support, and 80+ technical term mappings with per-app vocabulary.
VoiceOS processes audio in real time and doesn''t store it without permission, with transcripts saved locally. Kensi goes further — speech recognition is always on-device, audio never leaves your machine. The Privacy tier adds fully offline AI correction.
No. VoiceOS is Mac-only. Kensi is available on macOS 14+ and iOS 18+ with a keyboard extension that works in any text field.
Ready to try Kensi?
Free during alpha. No account required. Download and start dictating in under a minute.
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