VoiceInk: VoiceInk is an open-source macOS dictation app that turns speech into text in any application using local whisper.cpp AI models that run entirely on-device. spf.io: AI captioning and translation platform for in-person, virtual, and hybrid events, supporting 100+ languages with broad streaming integrations. 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 VoiceInk when hands-free drafting of emails, messages, and documents in any macos app matters most, and spf.io when providing multilingual accessibility for webinars streamed via zoom, youtube, or obs matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
VoiceInk is an open-source macOS dictation app that turns speech into text in any application using local whisper.cpp AI models that run entirely on-device.
AI captioning and translation platform for in-person, virtual, and hybrid events, supporting 100+ languages with broad streaming integrations.
VoiceInk is a native macOS dictation application that converts spoken words into text and inserts them into any app, positioned as an open-source alternative to Superwhisper and Wispr Flow. It runs transcription locally using whisper.cpp Whisper models (and Parakeet via FluidAudio), so voice data stays on the device by default; optionally, you can connect cloud transcription and AI services such as Groq, Deepgram, Cerebras, and Gemini using your own API keys. Users trigger recording with global keyboard shortcuts or push-to-talk, and VoiceInk types the result wherever the cursor sits. Its Power Mode automatically switches transcription and AI-enhancement settings based on the active app or website, while a Personal Dictionary handles custom terminology and text replacements. Enhancement prompts can reformat dictation for email, chat, or social posts, and a later release added the ability to share audio files into the app for transcription. The project is published on GitHub under GPL v3, runs on Apple Silicon Macs (macOS 14.4+), and also offers an iOS version. It suits writers, developers, and professionals who want fast, private hands-free text entry.
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
VoiceInk 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 | VoiceInk | spf.io |
|---|---|---|
| Core capability | Local on-device speech-to-text via whisper.cpp and Parakeet (FluidAudio) Whisper models | Automatic live captions and translation in 100+ languages, with translated audio in 70+ |
| Standout feature | Optional cloud transcription/enhancement through user-supplied API keys (Groq, Deepgram, Cerebras, Gemini) | Projector display of up to four languages plus mobile QR/URL attendee access |
| Team usage | Global keyboard shortcuts and push-to-talk dictation that inserts text into any app | Integrations with Zoom, Teams, Google Meet, YouTube, OBS, StreamYard, vMix, and Twitch |
| Integrations | Power Mode: automatic per-app/per-website switching of transcription and AI settings | Supervised/edited captioning and bidirectional translation modes |
| Languages & capture | Personal Dictionary for custom words, phrases, and text replacements | Vocabulary fine-tuning, custom speech recognition, and adapted translation models |
| Best-fit workflow | AI enhancement modes (email, chat, posts) and audio-file transcription support | Optional professional captioners, interpreters, and remote operators as add-ons |
VoiceInk
Choose VoiceInk if you need hands-free drafting of emails, messages, and documents in any macos app — strengths include transcribes entirely offline by default, keeping voice data on-device for privacy.
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.
VoiceInk
spf.io
It depends on your workflow. VoiceInk is strong for hands-free drafting of emails, messages, and documents in any macos app, while spf.io is strong for captioning and translating large in-person conferences across projectors and mobile devices. Both transcribe and summarize meetings.
VoiceInk 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.
Often yes: teams combine tools when one handles capture and another handles analysis.
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