Private local AI assistant for Mac that runs offline without the cloud
Independent hub for Block's Dessa voice AI with official recordings, hardware checks and live voice playground
Stage
Not given
Not given
Founded
Not given
Not given
Based in
CH
HK
Pricing model
Paid
Freemium
Pricing
CHF 49 once, lifetime licence with free updates to all future versions. One licence for up to 3 Macs. Free 7-day trial available.
Free: official Dessa recordings breakdown, Mac M4 Max checker, and BYOK mode. Instant Voice Pass: $4.90 one-time for 150 credits (15 minutes). Pro Studio: $12.90/month for 1,200 credits (120 minutes).
Key features
Runs open language models locally (Gemma, Qwen, Llama, Mistral) on Apple silicon
Works offline with no account, cloud or telemetry
Answers questions from documents with citations including scans and photos
Integrates with Mail, Calendar and other Mac apps
Responds with voice from the notch in any app
Automatically selects and configures best models for your Mac
Includes Gerty Max with Thinking and Code capabilities
Works with any .gguf model from Hugging Face
Modifies PDFs in place while keeping layout
Includes local voice, memory, projects and dictation
Official Dessa audio recordings with two-track synchronized playback
Mac M4 Max hardware readiness checker for local deployment
Bring-your-own-key mode with OpenAI API integration
Session audio and transcript download
Real-time voice AI with 6-second credit metering
Model comparison table for Dessa vs Sesame vs GPT-Live-1 vs Moshi
Microphone preview mode for testing audio input
Multiple conversation scenarios for voice practice
What makes it different
Completely private with zero data leaving your Mac
Intelligent assistant that picks and configures models for you, unlike model runners
Works completely offline once models are downloaded, no internet required
Independent platform with no affiliation to Block, Inc., providing free access to official Dessa recordings
Only source showcasing Block's full-duplex Dessa model with official two-track demonstrations
Free M4 Max hardware checker to estimate Dessa's local deployment compatibility
Zero-text speech-to-speech architecture with no text intermediary
Gerty
DessaVoice