Kai for Chrome and Substrata are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Kai for Chrome: A Chrome extension that transcribes and summarizes meetings entirely on-device in the browser, with no bot, no account, and no upload. 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.
How Hosiqo compares and tests toolsFinal recommendation
For ai-meeting-assistants workflows, shortlist Kai for Chrome when privately transcribing google meet, zoom web, or teams calls inside chrome 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.
A Chrome extension that transcribes and summarizes meetings entirely on-device in the browser, with no bot, no account, and no upload.
AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent.
Kai for Chrome 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.
| Feature | Kai for Chrome | Substrata |
|---|---|---|
| Core capability | Fully on-device transcription in the browser via Whisper on WebGPU or WebAssembly | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
| Standout feature | Bot-free capture from Google Meet, Zoom web, Teams, and any Chrome audio tab | Behavioral analysis of buyer attitudes, intent, and power dynamics |
| Team usage | No account or sign-up required to start transcribing | Email signal analysis for sentiment and engagement |
| Integrations | Keyboard-shortcut recording with a live transcript side panel | Deal momentum tracking across conversations |
| Languages & capture | Local summaries with decisions, topics, and assigned action items | Coaching insights focused on social and emotional cues |
| Best-fit workflow | One-click optional email sharing of finished notes | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
Kai for Chrome
Choose Kai for Chrome if you need privately transcribing google meet, zoom web, or teams calls inside chrome — strengths include audio and transcription stay on-device for strong privacy.
Substrata
Choose Substrata if you need reading buyer intent and sentiment during negotiations — strengths include analyzes social and emotional subtext beyond plain transcription.
Kai for Chrome
Substrata
It depends on your workflow. Kai for Chrome is strong for privately transcribing google meet, zoom web, or teams calls inside chrome, while Substrata is strong for reading buyer intent and sentiment during negotiations. Both transcribe and summarize meetings.
Kai for Chrome 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.
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.