Akkadu: Akkadu is an AI-powered platform that delivers real-time live captions, subtitles, and remote simultaneous interpretation in 90+ languages for events, meetings, and video content. Whisperstream: Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload. Below, they line up on price, capture method, and how each fits a real meeting stack.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Akkadu when adding multilingual live captions and subtitles to conferences, webinars, and hybrid events matters most, and Whisperstream when transcribing imported audio recordings privately on-device matters most. Try them side by side on real calls before deciding — needs vary by team.
Akkadu is an AI-powered platform that delivers real-time live captions, subtitles, and remote simultaneous interpretation in 90+ languages for events, meetings, and video content.
Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload.
Akkadu, built by Akkadu Technology, is a platform for breaking down language barriers in live and recorded settings. It listens to a speaker's audio and produces real-time AI live captions and subtitles in more than 90 languages, and can deliver an AI voice translation that voices a speaker's words in another language. Beyond automated transcription and translation, Akkadu also offers remote simultaneous interpretation (RSI), connecting human interpreters to events, plus human live captioning for higher-accuracy needs. It is available as a desktop and web-based application and is designed to work alongside common video conferencing tools such as Zoom, Microsoft Teams, Webex, and Google Meet, as well as on-site and hybrid events. The company states it does not store voice data and gives users control to delete transcripts. Akkadu targets event organizers, conferences, corporate meetings, universities, content creators, and language service providers who need multilingual accessibility. It is offered on a pay-as-you-go hourly model with a free limited demo tier.
Best suited for
Whisperstream is a downloadable Windows desktop application from Lanreal Technologies Inc. that converts speech to text using push-to-talk dictation. Transcription runs entirely locally on the user's PC via the NVIDIA Parakeet model, so audio is never uploaded to the cloud and no account is tied to the user's voice. It works across any application without add-ins or setup, inserting dictated text directly into tools such as Outlook, Gmail, Slack, VS Code, browsers, and Claude Code. Beyond live dictation, it can import and transcribe existing audio recordings, and it keeps a searchable transcript history with audio replay, encrypted on the device. Additional features include AI cleanup that tidies spoken input, a custom vocabulary for names, jargon, and acronyms, per-app custom AI prompts, support for 25 languages, global keyboard shortcuts, and full offline operation. It requires Windows 10 or 11 (64-bit) with at least 8GB RAM. It targets professionals and privacy-conscious knowledge workers who want fast, local voice input rather than typing.
Best suited for
Akkadu is a free tier with paid upgrades (freemium); Whisperstream is a free tier with paid upgrades (paid). Always confirm current pricing on each vendor's site before buying.
| Feature | Akkadu | Whisperstream |
|---|---|---|
| Core capability | Real-time AI live captions and subtitles in 90+ languages | Local, on-device speech-to-text using the NVIDIA Parakeet model (no cloud upload) |
| Standout feature | AI voice translation that voices a speaker into another language | Push-to-talk dictation that inserts text into any application |
| Team usage | Remote simultaneous interpretation (RSI) with human interpreters | Audio file import for transcribing existing recordings |
| Integrations | Human live captioning option for higher accuracy | Searchable, encrypted transcript history with audio replay |
| Languages & capture | Works with Zoom, Microsoft Teams, Webex, and Google Meet plus on-site/hybrid events | AI cleanup plus per-app custom AI prompts and custom vocabulary |
| Best-fit workflow | Custom glossaries and accent recognition to improve accuracy | 25-language support with full offline operation |
Akkadu
Choose Akkadu if you need adding multilingual live captions and subtitles to conferences, webinars, and hybrid events — strengths include covers 90+ languages across captions, subtitles, interpretation, and voice translation.
Whisperstream
Choose Whisperstream if you need dictating emails, messages, and documents faster than typing — strengths include fully local processing keeps audio private and works offline.
Akkadu
Whisperstream
It depends on your workflow. Akkadu is strong for adding multilingual live captions and subtitles to conferences, webinars, and hybrid events, while Whisperstream is strong for dictating emails, messages, and documents faster than typing. Both transcribe and summarize meetings.
Akkadu is a free tier with paid upgrades and Whisperstream 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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