Aqua Voice: Aqua Voice is an AI-powered, system-wide voice dictation app that turns speech into refined text in real time across the apps you already use on Mac and iPhone. Thoth: Privacy-first macOS app that records, transcribes, and summarizes meetings entirely on-device with no cloud or data leaving the Mac. 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 Aqua Voice when dictating emails, documents, and slack messages hands-free across desktop apps matters most, and Thoth when users who want offline, private meeting notes on a mac matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Aqua Voice is an AI-powered, system-wide voice dictation app that turns speech into refined text in real time across the apps you already use on Mac and iPhone.
Privacy-first macOS app that records, transcribes, and summarizes meetings entirely on-device with no cloud or data leaving the Mac.
Aqua Voice is an AI dictation tool built by Aqua Voice, Inc. (a Y Combinator startup) that converts spoken words into written text in real time. Rather than a standalone transcription window, it works system-wide: users hold a key (such as Space) and speak, and the dictated text is inserted into whatever app is in focus, including Gmail, Google Docs, Slack, code editors, and AI chat tools. It runs on macOS and iOS, with the iPhone app now live. Aqua is powered by Avalon, the company's proprietary speech-to-text model trained on prompt-style speech, code, and email, and it refines grammar and phrasing as you talk. It supports context awareness of on-screen content, a custom dictionary for technical terms and names, natural-language editing commands ("make this a list," "rephrase that"), style adaptation, and multilingual input across dozens of languages. It is aimed at developers, knowledge workers, and content creators who want a faster alternative to typing for emails, documents, messages, prompts, and code.
Best suited for
Thoth is a native macOS application, created by Matthieu Veinhard, that records, transcribes, and summarizes meetings entirely on the user's device. It captures both microphone and system audio so it can record both sides of online meetings on platforms such as Zoom, Teams, and Google Meet, and it provides live transcription with on-device speech-to-text. An on-device engine detects and color-codes individual speakers in the transcript, and the app supports a large number of languages via Whisper-based transcription. After a meeting, Thoth extracts notes, action items, and key decisions, and lets users choose between several on-device models or supply their own cloud API key, with an on-device anonymization step that can redact sensitive information before any optional cloud processing. Output can be exported to formats including PDF, Word, Markdown, and timestamped JSON. Because the app has no server and no user database, the company emphasizes that there is nothing to breach or hand over. Thoth requires Apple Silicon and is aimed at privacy-conscious professionals, those handling confidential information, and neurodivergent users who benefit from automatic capture, and it is available on the Mac App Store with an iOS beta in progress. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aqua Voice is a free tier with paid upgrades (freemium); Thoth is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aqua Voice | Thoth |
|---|---|---|
| Core capability | System-wide dictation that inserts text into any focused app (Gmail, Docs, Slack, code editors, AI chats) | 100% local, on-device recording, transcription, and summarization |
| Standout feature | Avalon proprietary speech-to-text model tuned for technical vocabulary, code, and prompt-style speech | Dual-channel capture of microphone and system audio |
| Team usage | Custom dictionary for names, brands, and technical terms | On-device speaker detection with color-coded transcripts |
| Integrations | Natural-language editing commands like 'make this a list' or 'rephrase that' mid-dictation | Whisper-based transcription supporting many languages |
| Languages & capture | Context awareness of on-screen content, including code syntax | On-device anonymization to redact sensitive content |
| Best-fit workflow | Multilingual input across dozens of languages | Export to PDF, Word, Markdown, and timestamped JSON |
Aqua Voice
Choose Aqua Voice if you need dictating emails, documents, and slack messages hands-free across desktop apps — strengths include low-friction, system-wide voice input that works inside existing apps with no per-app setup.
Thoth
Choose Thoth if you need professionals handling confidential or regulated information — strengths include fully local processing with no cloud requirement and no user database.
Aqua Voice
Thoth
It depends on your workflow. Aqua Voice is strong for dictating emails, documents, and slack messages hands-free across desktop apps, while Thoth is strong for professionals handling confidential or regulated information. Both transcribe and summarize meetings.
Aqua Voice is a free tier with paid upgrades and Thoth 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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