Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. Knovvu Analytics (SESTEK): Knovvu Analytics by SESTEK is an enterprise speech-and-text analytics platform that transcribes and analyzes 100% of customer voice and digital interactions for contact centers. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Castmagic when transcribing podcast episodes and generating show notes and summaries matters most, and Knovvu Analytics (SESTEK) when real-time compliance and quality monitoring with instant supervisor alerts matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets.
Knovvu Analytics by SESTEK is an enterprise speech-and-text analytics platform that transcribes and analyzes 100% of customer voice and digital interactions for contact centers.
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
Knovvu Analytics is the conversational analytics product from SESTEK, a conversational-automation company with over 20 years of experience that is now part of UNIFONIC. It captures contact-center interactions and uses SESTEK's own speech recognition engine (reported >97% accuracy) to transcribe voice calls into text, then applies AI to analyze conversations at scale. Core capabilities include speaker diarization, multilingual identification, automatic topic categorization, sentiment analysis, and root-cause discovery across thousands of voice- and text-based interactions. Real-time features detect prohibited words, urgent inquiries, and compliance issues, sending instant supervisor notifications and API-triggered actions. It pairs with SESTEK's Automated Quality Management for objective agent scoring and script-adherence monitoring. The platform integrates with contact-center systems such as Five9, Genesys, and Avaya, and offers HTTP/REST, MRCP, and WebSocket integration methods. Its containerized architecture supports both cloud and on-premises deployment. It is built for enterprise contact centers in banking, insurance, telecom, and e-commerce, serving customers including ING Bank, DHL, Vodafone, and Carrefour.
Best suited for
Castmagic is a free tier with paid upgrades (freemium); Knovvu Analytics (SESTEK) is custom pricing (contact sales). Always confirm current pricing on each vendor's site before buying.
| Feature | Castmagic | Knovvu Analytics (SESTEK) |
|---|---|---|
| Core capability | Transcription of audio and video with speaker diarization | Speech-to-text transcription of voice interactions with reported >97% accuracy |
| Standout feature | Automatic generation of summaries, show notes, titles, and timestamps | Speaker diarization and multilingual speaker identification |
| Team usage | Repurposing of recordings into social posts, newsletters, and blog content | AI-driven sentiment analysis and emotion detection |
| Integrations | Direct import from sources including YouTube, Google Drive, and Zoom | Automatic topic categorization and trend/root-cause analysis |
| Languages & capture | Semantic search across a media library of past recordings | Real-time alerts for prohibited words, urgent inquiries, and compliance issues |
| Best-fit workflow | Multi-brand workspaces with templates and approval workflows for teams | Automated quality management with objective agent scoring and script-adherence monitoring |
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.
Knovvu Analytics (SESTEK)
Choose Knovvu Analytics (SESTEK) if you need transcribing and analyzing 100% of customer service calls to surface trends and root causes — strengths include analyzes 100% of interactions rather than a sampled subset.
Castmagic
Knovvu Analytics (SESTEK)
It depends on your workflow. Castmagic is strong for transcribing podcast episodes and generating show notes and summaries, while Knovvu Analytics (SESTEK) is strong for transcribing and analyzing 100% of customer service calls to surface trends and root causes. Both transcribe and summarize meetings.
Castmagic is a free tier with paid upgrades and Knovvu Analytics (SESTEK) is custom pricing. 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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