Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. Substrata: AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Castmagic when transcribing podcast episodes and generating show notes and summaries matters most, and Substrata when coaching sellers on social dynamics in high-stakes conversations matters most. Try them side by side on real calls before deciding — needs vary by team.
AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets.
AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent.
Castmagic is an AI-powered content platform that transforms recorded audio and video into transcripts and a range of derived content. After a file is uploaded or imported, Castmagic transcribes it with speaker diarization and then automatically generates summaries, show notes, timestamps, titles, social media posts, newsletters, and other assets from the same recording. The platform integrates with sources including YouTube, Apple Podcasts, Google Drive, and Zoom, so recorded meetings and interviews can flow directly into a workspace for processing alongside podcast episodes. Castmagic includes semantic search across a media library, brand-voice customization, reusable templates, and commenting and approval workflows aimed at teams and agencies that manage content for multiple brands. While its marketing centers on podcasters and creators, the transcription, speaker labeling, and summary features make it applicable to meeting and interview recordings as well. It is intended for content teams, marketing agencies, podcasters, coaches, and sales organizations that want to convert recorded conversations into transcripts and repurposed written content rather than only a raw transcript. 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
Castmagic 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 | Castmagic | Substrata |
|---|---|---|
| Core capability | Transcription of audio and video with speaker diarization | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
| Standout feature | Automatic generation of summaries, show notes, titles, and timestamps | Behavioral analysis of buyer attitudes, intent, and power dynamics |
| Team usage | Repurposing of recordings into social posts, newsletters, and blog content | Email signal analysis for sentiment and engagement |
| Integrations | Direct import from sources including YouTube, Google Drive, and Zoom | Deal momentum tracking across conversations |
| Languages & capture | Semantic search across a media library of past recordings | Coaching insights focused on social and emotional cues |
| Best-fit workflow | Multi-brand workspaces with templates and approval workflows for teams | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
Castmagic
Choose Castmagic if you need transcribing podcast episodes and generating show notes and summaries — strengths include goes beyond transcription to produce ready-to-use written content from recordings.
Substrata
Choose Substrata if you need reading buyer intent and sentiment during negotiations — strengths include analyzes social and emotional subtext beyond plain transcription.
Castmagic
Substrata
It depends on your workflow. Castmagic is strong for transcribing podcast episodes and generating show notes and summaries, while Substrata is strong for reading buyer intent and sentiment during negotiations. Both transcribe and summarize meetings.
Castmagic 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.
Often yes: teams combine tools when one handles capture and another handles analysis.
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