CFAI: CFAI is a Windows desktop AI note taker that transcribes meetings and calls locally on-device with Faster Whisper, so audio never leaves the user's computer. 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. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist CFAI when capturing private meeting notes and summaries without a recording bot joining the call matters most, and Letterly when transcribing and summarizing meetings or interviews with speaker separation matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
CFAI is a Windows desktop AI note taker that transcribes meetings and calls locally on-device with Faster Whisper, so audio never leaves the user's computer.
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.
CFAI (Cognitive Flow AI) is a Windows desktop application that acts as a privacy-focused AI meeting and call note taker. Instead of sending a bot into the call, it captures both microphone and system audio at the operating-system level, so no "recording started" notification appears and the tool works across Zoom, Teams, Google Meet, Discord, and any other call. Transcription runs locally on the device using Faster Whisper, with support for many languages, and CFAI states that the audio never leaves the user's computer. From the live transcript it produces speaker-labeled notes, AI summaries, and action items, and it can build a real-time "Cognitive Map" that visualizes the conversation's topics. Summaries can be generated by Claude in the cloud, or users can keep everything offline by connecting a local LLM through Ollama, LM Studio, or Jan.ai. It is aimed at professionals, educators, recruiters, and others who want meeting notes without bots or cloud audio uploads. CFAI is distributed via the Microsoft Store with a free trial and credit-based subscription tiers.
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
CFAI 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 | CFAI | Letterly |
|---|---|---|
| Core capability | Local on-device transcription using Faster Whisper, so audio never leaves the computer | Automatic speech-to-text transcription of recorded or dictated audio |
| Standout feature | Bot-free capture of microphone and system audio at the OS level (no 'recording started' notice) | AI rewriting into multiple formats (emails, summaries, posts, task lists, journal entries) |
| Team usage | Speaker diarization with automatic speaker labels in transcripts | Multilingual transcription with automatic language detection and mid-sentence switching |
| Integrations | AI summaries and action items, generated by Claude or a local LLM | Meeting/interview support with speaker separation and summary generation |
| Languages & capture | Real-time 'Cognitive Map' that visualizes conversation topics and flow | Offline and screen-off recording, plus quick-record widget and Apple Watch dictation |
| Best-fit workflow | Works across any call platform including Zoom, Teams, Google Meet, and Discord | Cross-device sync and integrations via Zapier and webhooks |
CFAI
Choose CFAI if you need capturing private meeting notes and summaries without a recording bot joining the call — strengths include local faster whisper transcription keeps meeting audio on-device for strong privacy.
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.
CFAI
Letterly
It depends on your workflow. CFAI is strong for capturing private meeting notes and summaries without a recording bot joining the call, while Letterly is strong for dictating and polishing emails, messages, and notes faster than typing. Both transcribe and summarize meetings.
CFAI 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.
You can — some teams pair them when each covers a different part of the meeting workflow.
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