Basil AI: On-device AI note taker for Apple devices that transcribes and summarizes meetings entirely offline, with no cloud upload. Substrata: AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Basil AI when transcribing confidential client meetings where data must stay on-device matters most, and Substrata when coaching sellers on social dynamics in high-stakes conversations matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
On-device AI note taker for Apple devices that transcribes and summarizes meetings entirely offline, with no cloud upload.
AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent.
Basil AI (Basil Private AI Note Taker) is a privacy-first AI transcription and note-taking application that processes all audio locally on Apple devices using Apple's on-device speech and machine-learning frameworks. Because recordings, transcripts, and summaries never leave the device and no cloud servers are involved, Basil is positioned for privacy-conscious professionals handling sensitive conversations, including lawyers conducting client meetings and other client-services practitioners where confidentiality matters. The app records live meetings and can also process uploaded audio and DRM-free video files, then generates transcripts with speaker diarization plus AI summaries and key takeaways. It supports a large set of languages and can work offline, including in airplane mode. Outputs can be exported to formats such as text, PDF, CSV, and JSON, and integrated with Apple's ecosystem (Apple Notes, iCloud Drive, Files). Basil is distributed on the Apple App Store by TONSOR LLC and is available as a universal app across iPhone, iPad, Mac, and Apple Vision, with recent iOS, iPadOS, macOS, and visionOS versions required. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Substrata is an AI sales coaching and deal intelligence platform that takes a different angle from typical conversation intelligence tools: rather than focusing on transcription and summaries, it analyzes the social and emotional signals beneath sales conversations. Its core function is to model buyer psychology, attitudes, and momentum across interactions to help professional dealmakers understand intent and power dynamics. A central component is SoundWave, a real-time conversational analytics engine that listens to sales calls and analyzes voice tone, pace, pauses, interruptions, and the push-pull of social dynamics, surfacing the why behind what is being said rather than just the words. Substrata applies this signal analysis across conversations and email exchanges to gauge buyer sentiment and engagement, giving sellers and revenue leaders a read on how deals are actually progressing. The platform is aimed at B2B revenue professionals and leaders, and is positioned for smaller and mid-sized dealmaking teams that want behavioral insight into negotiations and high-value conversations. It has been recognized as a high performer across sales coaching, AI sales assistant, conversation intelligence, sales analytics, and revenue operations categories. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Basil AI 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 | Basil AI | Substrata |
|---|---|---|
| Core capability | 100% on-device transcription with no cloud upload | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
| Standout feature | Speaker diarization to separate participants automatically | Behavioral analysis of buyer attitudes, intent, and power dynamics |
| Team usage | AI-generated summaries, minutes, and key takeaways | Email signal analysis for sentiment and engagement |
| Integrations | Support for recording live meetings and uploading audio/video files | Deal momentum tracking across conversations |
| Languages & capture | Multi-language support and offline (airplane-mode) operation | Coaching insights focused on social and emotional cues |
| Best-fit workflow | Export to text, PDF, CSV, and JSON, plus Apple Notes/iCloud/Files | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
Basil AI
Choose Basil AI if you need transcribing confidential client meetings where data must stay on-device — strengths include strong privacy posture since data never leaves the device.
Substrata
Choose Substrata if you need reading buyer intent and sentiment during negotiations — strengths include analyzes social and emotional subtext beyond plain transcription.
Basil AI
Substrata
It depends on your workflow. Basil AI is strong for transcribing confidential client meetings where data must stay on-device, while Substrata is strong for reading buyer intent and sentiment during negotiations. Both transcribe and summarize meetings.
Basil AI 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.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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