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. Knowt: AI study platform that turns recorded or uploaded lectures into notes, flashcards, and practice quizzes for students. This comparison weighs them on pricing, features, and everyday workflow fit.
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 Knowt when generating flashcards and practice tests from course materials before exams matters most. Run both through a week of actual calls to see which suits your workflow.
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.
AI study platform that turns recorded or uploaded lectures into notes, flashcards, and practice quizzes for students.
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
Knowt is an AI-powered study platform built primarily for students and teachers that converts lectures and learning materials into organized study resources. Students can record a lecture live in the app or on the website, or upload existing audio, video, PDFs, and slide decks, and the platform's AI assistant (called Kai) generates summarized notes, flashcards, and practice quizzes from the content. Notes can be formatted as outlines or paragraphs, with adjustable detail levels, and the original audio is saved for reference. Beyond capture and transcription-driven summarization, Knowt functions as a broader study workspace, positioning itself as a free alternative to traditional flashcard apps and offering a large library of community-shared study materials. It also includes teacher-facing features for assigning material and tracking student progress. The tool spans web, iOS, and Android, making it usable across classroom, online-course, and self-study settings. Knowt is aimed at learners who want lecture capture to flow directly into reusable, exam-oriented study artifacts rather than just raw transcripts. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aqua Voice is a free tier with paid upgrades (freemium); Knowt is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aqua Voice | Knowt |
|---|---|---|
| Core capability | System-wide dictation that inserts text into any focused app (Gmail, Docs, Slack, code editors, AI chats) | Live lecture recording in app and on the web, plus upload of audio, video, PDFs, and slides |
| Standout feature | Avalon proprietary speech-to-text model tuned for technical vocabulary, code, and prompt-style speech | AI-generated notes with adjustable formatting (outline or paragraph) and detail level |
| Team usage | Custom dictionary for names, brands, and technical terms | Automatic flashcard generation from lecture and document content |
| Integrations | Natural-language editing commands like 'make this a list' or 'rephrase that' mid-dictation | Practice quiz and test creation from any note, PDF, or video |
| Languages & capture | Context awareness of on-screen content, including code syntax | Kai AI chat for explaining concepts and answering questions |
| Best-fit workflow | Multilingual input across dozens of languages | Large community library of shared study sets and teacher tools for assignments |
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.
Knowt
Choose Knowt if you need recording university lectures and turning them into structured study notes — strengths include combines capture, summarization, and active-recall study tools in one student-focused app.
Aqua Voice
Knowt
It depends on your workflow. Aqua Voice is strong for dictating emails, documents, and slack messages hands-free across desktop apps, while Knowt is strong for recording university lectures and turning them into structured study notes. Both transcribe and summarize meetings.
Aqua Voice is a free tier with paid upgrades and Knowt 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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