StenoAI and Substrata are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. StenoAI: Open-source desktop app that records, transcribes, and summarizes meetings entirely on-device with no bots, subscriptions, or cloud processing. Substrata: AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent. They overlap on ai-meeting-assistants, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants workflows, shortlist StenoAI when capturing and summarizing confidential meetings without sending audio to the cloud matters most, and Substrata when reading buyer intent and sentiment during negotiations matters most. Both record across Zoom, Google Meet, and Microsoft Teams; trial each on real meetings before committing.
Open-source desktop app that records, transcribes, and summarizes meetings entirely on-device with no bots, subscriptions, or cloud processing.
25 European languages live, up to 99 languages via Whisper after recordingLocal LLM summaries through Ollama, with remote Ollama server supportMarkdown export of transcripts and summaries
AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent.
Behavioral analysis of buyer attitudes, intent, and power dynamicsCoaching insights focused on social and emotional cuesDeal momentum tracking across conversations
StenoAI is a free tier with paid upgrades (freemium); Substrata is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
On-device transcription with Parakeet TDT v3 (Apple Silicon) or Whisper models
SoundWave real-time analysis of tone, pace, pauses, and interruptions
Standout feature
System audio and microphone capture via native Core Audio Tap (no bots)
Behavioral analysis of buyer attitudes, intent, and power dynamics
Team usage
Real-time on-screen speaker labels distinguishing you from others
Email signal analysis for sentiment and engagement
Integrations
Local LLM summaries through Ollama, with remote Ollama server support
Deal momentum tracking across conversations
Languages & capture
25 European languages live, up to 99 languages via Whisper after recording
Coaching insights focused on social and emotional cues
Best-fit workflow
Markdown export of transcripts and summaries
SoundWave real-time analysis of tone, pace, pauses, and interruptions
Best for
StenoAI
Choose StenoAI if you need capturing and summarizing confidential meetings without sending audio to the cloud — strengths include fully local, bot-free capture with no cloud processing or subscriptions for core use.
Substrata
Choose Substrata if you need reading buyer intent and sentiment during negotiations — strengths include analyzes social and emotional subtext beyond plain transcription.
Pros & cons
StenoAI
+ Fully local, bot-free capture with no cloud processing or subscriptions for core use
+ MIT-licensed and open source, with active 2026 releases
- Primary support is macOS on Apple Silicon; Windows build is alpha and Intel Mac support ended at v0.3.8
Substrata
+ Analyzes social and emotional subtext beyond plain transcription
+ Real-time read on buyer dynamics during calls
- Behavioral-signal approach differs from familiar transcript-based tools
FAQ
Is StenoAI or Substrata better for AI meeting notes?
It depends on your workflow. StenoAI is strong for capturing and summarizing confidential meetings without sending audio to the cloud, while Substrata is strong for reading buyer intent and sentiment during negotiations. Both transcribe and summarize meetings.
How do StenoAI and Substrata compare on price?
StenoAI is a free tier with paid upgrades and Substrata is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Can I use both StenoAI and Substrata?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.