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. spf.io: AI captioning and translation platform for in-person, virtual, and hybrid events, supporting 100+ languages with broad streaming integrations. Below, they line up on price, capture method, and how each fits a real meeting stack.
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 spf.io when providing multilingual accessibility for webinars streamed via zoom, youtube, or obs 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.
AI captioning and translation platform for in-person, virtual, and hybrid events, supporting 100+ languages with broad streaming integrations.
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
spf.io, operated by TheoTech LLC, is an AI-powered captioning and translation platform built for in-person, virtual, and hybrid events. It provides automatic live captions and real-time translation in more than 100 languages, plus AI-generated translated audio in over 70 languages, so multilingual and deaf or hard-of-hearing audiences can follow sessions in their preferred language. Output can be shown on projectors with up to four languages at once, embedded into web and app players, or accessed by attendees on mobile devices through a QR code or URL with both text and audio options. The platform integrates with common meeting and streaming tools including Zoom, Microsoft Teams, Google Meet, YouTube, Facebook Live, OBS, StreamYard, vMix, and Twitch. Beyond fully automatic captions, spf.io supports supervised and edited captioning for quality control, bidirectional translation, manuscript-based delivery, and interpreter subtitling. It offers customization such as vocabulary fine-tuning, adapted machine translation models, custom speech recognition, and profanity filtering, and it makes remote operators, professional captioners, and interpreters available as add-on services. The company publishes ongoing product updates into 2026, confirming it is actively operating. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aqua Voice is a free tier with paid upgrades (freemium); spf.io is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aqua Voice | spf.io |
|---|---|---|
| Core capability | System-wide dictation that inserts text into any focused app (Gmail, Docs, Slack, code editors, AI chats) | Automatic live captions and translation in 100+ languages, with translated audio in 70+ |
| Standout feature | Avalon proprietary speech-to-text model tuned for technical vocabulary, code, and prompt-style speech | Projector display of up to four languages plus mobile QR/URL attendee access |
| Team usage | Custom dictionary for names, brands, and technical terms | Integrations with Zoom, Teams, Google Meet, YouTube, OBS, StreamYard, vMix, and Twitch |
| Integrations | Natural-language editing commands like 'make this a list' or 'rephrase that' mid-dictation | Supervised/edited captioning and bidirectional translation modes |
| Languages & capture | Context awareness of on-screen content, including code syntax | Vocabulary fine-tuning, custom speech recognition, and adapted translation models |
| Best-fit workflow | Multilingual input across dozens of languages | Optional professional captioners, interpreters, and remote operators as add-ons |
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.
spf.io
Choose spf.io if you need captioning and translating large in-person conferences across projectors and mobile devices — strengths include very broad language coverage for both captions and translated audio.
Aqua Voice
spf.io
It depends on your workflow. Aqua Voice is strong for dictating emails, documents, and slack messages hands-free across desktop apps, while spf.io is strong for captioning and translating large in-person conferences across projectors and mobile devices. Both transcribe and summarize meetings.
Aqua Voice is a free tier with paid upgrades and spf.io is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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