AudioDiary: AudioDiary is an AI-powered voice journaling app that records spoken entries, transcribes them, and generates summaries and reflective insights. 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 AudioDiary when keeping a daily reflective journal by speaking instead of typing matters most, and Letterly when transcribing and summarizing meetings or interviews with speaker separation matters most. Run both through a week of actual calls to see which suits your workflow.
AudioDiary is an AI-powered voice journaling app that records spoken entries, transcribes them, and generates summaries and reflective insights.
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.
AudioDiary, made by Soliloquy Apps Limited, is a voice journaling application that lets users capture thoughts by speaking instead of typing. Users record an audio entry and the app automatically transcribes it and applies AI to produce summaries, reflections, suggested goals, mood tracking, and pattern visualization over time. It also offers dream analysis, custom tagging, themes, and the ability to attach photos to entries. Captured content can be exported as audio, transcripts, images, or PDF, and entries can be edited after recording. Its "Session Designer" lets users personalize or disable AI features, and extracted goals can sync to Google Calendar. The app is available across iOS, iPad, Mac (including Apple Vision), and the web, with synchronization between platforms. Recordings are encrypted in transit and at rest, with data stored via established cloud providers, and the company states it does not sell or monetize journal entries. It is aimed at individuals seeking a reflective, spoken personal journaling and self-tracking habit rather than business meetings.
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
AudioDiary 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 | AudioDiary | Letterly |
|---|---|---|
| Core capability | Voice recording with automatic AI transcription | Automatic speech-to-text transcription of recorded or dictated audio |
| Standout feature | AI-generated summaries, reflections, and suggested goals | AI rewriting into multiple formats (emails, summaries, posts, task lists, journal entries) |
| Team usage | Mood and dream tracking with pattern visualization over time | Multilingual transcription with automatic language detection and mid-sentence switching |
| Integrations | Customizable or disablable AI via a 'Session Designer' | Meeting/interview support with speaker separation and summary generation |
| Languages & capture | Export of audio, transcripts, images, and PDF; editable transcripts | Offline and screen-off recording, plus quick-record widget and Apple Watch dictation |
| Best-fit workflow | Cross-platform sync across iOS, Mac, Apple Vision, and web | Cross-device sync and integrations via Zapier and webhooks |
AudioDiary
Choose AudioDiary if you need keeping a daily reflective journal by speaking instead of typing — strengths include captures journaling hands-free by speaking, with automatic transcription.
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.
AudioDiary
Letterly
It depends on your workflow. AudioDiary is strong for keeping a daily reflective journal by speaking instead of typing, while Letterly is strong for dictating and polishing emails, messages, and notes faster than typing. Both transcribe and summarize meetings.
AudioDiary 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.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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