AutoMemo: Japanese transcription AI from Sourcenext that records meetings via web app, smartphone app, or dedicated voice recorders, then transcribes, summarizes, and shares. Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. Below, they line up on price, capture method, and how each fits a real meeting stack.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist AutoMemo when capturing and transcribing in-person business meetings matters most, and Castmagic when turning recorded interviews and meetings into written content and highlights matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Japanese transcription AI from Sourcenext that records meetings via web app, smartphone app, or dedicated voice recorders, then transcribes, summarizes, and shares.
AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets.
AutoMemo (オートメモ) is a transcription AI developed, sold, and supported by Sourcenext Corporation in Japan. It is built around a multi-surface approach: users can capture audio through a web browser app, a dedicated smartphone app, or standalone hardware voice recorders (the AutoMemo S and AutoMemo R devices), and the captured audio is automatically converted to text. The service uses a Whisper-based speech recognition engine, automatically inserts punctuation, removes filler words such as Japanese hesitation sounds, and recognizes speakers so that transcription results are divided into speaker blocks. On top of the transcript, AutoMemo can automatically generate summaries and extract to-do items and deadlines, and it has added features such as AI-generated titles for recordings. Audio and transcripts are saved to the cloud for later editing, searching, and sharing. AutoMemo positions itself for business meetings, interviews, and lecture capture in Japanese-language workflows, and offers a limited free transcription allowance with paid plans for higher usage. It remains actively developed and marketed in 2025/2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
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
AutoMemo is a free tier with paid upgrades (freemium); Castmagic is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | AutoMemo | Castmagic |
|---|---|---|
| Core capability | Records via web app, smartphone app, or dedicated voice recorder hardware | Transcription of audio and video with speaker diarization |
| Standout feature | Whisper-based speech-to-text with automatic punctuation | Automatic generation of summaries, show notes, titles, and timestamps |
| Team usage | Speaker recognition that splits transcripts into per-speaker blocks | Repurposing of recordings into social posts, newsletters, and blog content |
| Integrations | AI summaries with to-do and deadline extraction | Direct import from sources including YouTube, Google Drive, and Zoom |
| Languages & capture | Automatic filler-word removal | Semantic search across a media library of past recordings |
| Best-fit workflow | Cloud storage with editing, search, and sharing | Multi-brand workspaces with templates and approval workflows for teams |
AutoMemo
Choose AutoMemo if you need capturing and transcribing in-person business meetings — strengths include multiple capture options including standalone hardware recorders.
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.
AutoMemo
Castmagic
It depends on your workflow. AutoMemo is strong for capturing and transcribing in-person business meetings, while Castmagic is strong for transcribing podcast episodes and generating show notes and summaries. Both transcribe and summarize meetings.
AutoMemo is a free tier with paid upgrades and Castmagic 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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