AutoMemo: Japanese transcription AI from Sourcenext that records meetings via web app, smartphone app, or dedicated voice recorders, then transcribes, summarizes, and shares. Letterly: Letterly is a multilingual AI speech-to-text app that turns dictated speech into polished notes, emails, summaries, and meeting transcripts across iOS, Android, Mac, Windows, and Web. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist AutoMemo when capturing and transcribing in-person business meetings matters most, and Letterly when transcribing and summarizing meetings or interviews with speaker separation matters most. Try them side by side on real calls before deciding — needs vary by team.
Japanese transcription AI from Sourcenext that records meetings via web app, smartphone app, or dedicated voice recorders, then transcribes, summarizes, and shares.
Letterly is a multilingual AI speech-to-text app that turns dictated speech into polished notes, emails, summaries, and meeting transcripts across iOS, Android, Mac, Windows, and Web.
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
Letterly is a voice-to-text application that converts spoken words into clean, structured written text. Aimed at professionals, students, content creators, and anyone who prefers talking to typing, it lets users record speech directly in the app or dictate into other apps, then automatically transcribes the audio. Beyond raw transcription, Letterly applies AI rewriting so a single recording can become an email, a summary, a social post, a task list, a journal entry, or a meeting recap, using preset styles or custom instructions. It automatically detects and transcribes a wide range of languages and can handle mid-sentence language switching. For meetings and interviews, it offers speaker separation and can generate summaries from a recording. The app supports extended recordings, offline and screen-off dictation, quick-record widgets, and live sync across devices, including Apple Watch. It also integrates with external tools via Zapier and webhooks. Letterly states that user data is kept private and not used to train AI models. It runs on iOS, Android, Mac, Windows, and Web.
Best suited for
AutoMemo is a free tier with paid upgrades (freemium); Letterly is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | AutoMemo | Letterly |
|---|---|---|
| Core capability | Records via web app, smartphone app, or dedicated voice recorder hardware | Automatic speech-to-text transcription of recorded or dictated audio |
| Standout feature | Whisper-based speech-to-text with automatic punctuation | AI rewriting into multiple formats (emails, summaries, posts, task lists, journal entries) |
| Team usage | Speaker recognition that splits transcripts into per-speaker blocks | Multilingual transcription with automatic language detection and mid-sentence switching |
| Integrations | AI summaries with to-do and deadline extraction | Meeting/interview support with speaker separation and summary generation |
| Languages & capture | Automatic filler-word removal | Offline and screen-off recording, plus quick-record widget and Apple Watch dictation |
| Best-fit workflow | Cloud storage with editing, search, and sharing | Cross-device sync and integrations via Zapier and webhooks |
AutoMemo
Choose AutoMemo if you need capturing and transcribing in-person business meetings — strengths include multiple capture options including standalone hardware recorders.
Letterly
Choose Letterly if you need dictating and polishing emails, messages, and notes faster than typing — strengths include broad multilingual coverage with automatic language detection.
AutoMemo
Letterly
It depends on your workflow. AutoMemo is strong for capturing and transcribing in-person business meetings, while Letterly is strong for dictating and polishing emails, messages, and notes faster than typing. Both transcribe and summarize meetings.
AutoMemo is a free tier with paid upgrades and Letterly 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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