Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. Subvideo.ai: A browser-based AI subtitle generator that transcribes audio and video into time-coded captions, with in-browser editing, translation, and multi-format export. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Castmagic when transcribing podcast episodes and generating show notes and summaries matters most, and Subvideo.ai when generating and styling captions for videos with per-speaker formatting matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets.
A browser-based AI subtitle generator that transcribes audio and video into time-coded captions, with in-browser editing, translation, and multi-format export.
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
Subvideo.ai is a browser-based AI subtitle and transcription tool that automatically converts uploaded audio and video into time-coded text. Users upload common formats (including MP4, MOV, MKV, MP3, and WAV), and the platform generates subtitle lines that can be refined in an integrated studio with a timeline view, where text and timing can be edited, lines split or merged, and captions previewed directly on the video. It supports speaker recognition to separate and style different speakers, and offers one-click translation across many languages while preserving timing. Outputs include SRT, VTT, ASS, TXT, DOCX, PDF, CSV, and JSON, as well as videos with burned-in (hard-coded) captions and XML exports for editors like Premiere, Final Cut Pro, and DaVinci Resolve. It is aimed primarily at video creators, educators, and agencies, but its audio support, speaker detection, and plain-text transcript exports also make it usable for transcribing interviews, podcasts, and recorded meetings. The platform offers a free tier with daily upload and file-length limits, plus a paid unlimited plan.
Best suited for
Castmagic is a free tier with paid upgrades (freemium); Subvideo.ai is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Castmagic | Subvideo.ai |
|---|---|---|
| Core capability | Transcription of audio and video with speaker diarization | Automatic AI speech-to-text transcription from audio and video files |
| Standout feature | Automatic generation of summaries, show notes, titles, and timestamps | In-browser subtitle editor with timeline view for adjusting text and timing |
| Team usage | Repurposing of recordings into social posts, newsletters, and blog content | Speaker recognition to separate and style multiple speakers |
| Integrations | Direct import from sources including YouTube, Google Drive, and Zoom | Multi-language translation that preserves timing |
| Languages & capture | Semantic search across a media library of past recordings | Export to SRT, VTT, ASS, TXT, DOCX, PDF, CSV, and JSON plus burned-in captions |
| Best-fit workflow | Multi-brand workspaces with templates and approval workflows for teams | XML exports for Premiere Pro, Final Cut Pro, and DaVinci Resolve |
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.
Subvideo.ai
Choose Subvideo.ai if you need transcribing recorded interviews or podcasts into editable text and subtitle files — strengths include supports both audio and video input and exports editable plain-text transcripts (txt, docx, pdf).
Castmagic
Subvideo.ai
It depends on your workflow. Castmagic is strong for transcribing podcast episodes and generating show notes and summaries, while Subvideo.ai is strong for transcribing recorded interviews or podcasts into editable text and subtitle files. Both transcribe and summarize meetings.
Castmagic is a free tier with paid upgrades and Subvideo.ai 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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