Voiso: Voiso is a cloud contact-center platform with AI speech analytics that transcribes calls into searchable text, scores conversations, and generates automatic call summaries. Whisperstream: Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload. 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 Voiso when quality assurance and compliance teams reviewing transcribed, keyword-flagged calls matters most, and Whisperstream when transcribing imported audio recordings privately on-device matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Voiso is a cloud contact-center platform with AI speech analytics that transcribes calls into searchable text, scores conversations, and generates automatic call summaries.
Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload.
Voiso is a cloud-based contact-center platform built for sales and customer-service teams, combining voice, SMS, and messaging channels with AI-driven analytics in a single workspace. Its speech analytics suite processes recorded call audio through speech-to-text and natural-language pipelines, transcribing calls into searchable text across more than ten languages, including English, Spanish, French, and Arabic. Transcripts can be navigated, searched, and flagged against predefined or custom keyword lists to support quality assurance, compliance, and agent training. Beyond raw transcription, the platform applies AI to score conversations on a 1-to-5 scale, detect sentiment and emotional cues, and automatically generate concise call summaries that capture key topics and outcomes without reviewing full recordings. It is aimed at call centers, BPOs, and outbound and inbound teams in industries such as fintech, travel, retail, and e-commerce. Other platform capabilities include a predictive dialer, IVR and routing flow builder, CRM integrations, call recording, and real-time performance dashboards. Speech analytics features are available on its Pro plan and higher.
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
Voiso is a free tier with paid upgrades (paid); Whisperstream is a free tier with paid upgrades (paid). Always confirm current pricing on each vendor's site before buying.
| Feature | Voiso | Whisperstream |
|---|---|---|
| Core capability | AI call transcription converting audio into searchable text in 10+ languages | Local, on-device speech-to-text using the NVIDIA Parakeet model (no cloud upload) |
| Standout feature | AI conversation scoring rating calls on a 1-to-5 scale across languages | Push-to-talk dictation that inserts text into any application |
| Team usage | Sentiment and emotion analysis detecting tone and customer satisfaction cues | Audio file import for transcribing existing recordings |
| Integrations | Automatic call summaries highlighting key topics and outcomes | Searchable, encrypted transcript history with audio replay |
| Languages & capture | Keyword highlighting with custom lists for compliance and QA flagging | AI cleanup plus per-app custom AI prompts and custom vocabulary |
| Best-fit workflow | Call recording with real-time dashboards and performance reporting | 25-language support with full offline operation |
Voiso
Choose Voiso if you need quality assurance and compliance teams reviewing transcribed, keyword-flagged calls — strengths include transcription and analytics are integrated directly into the contact-center workflow, including recording, dialing, and routing.
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.
Voiso
Whisperstream
It depends on your workflow. Voiso is strong for quality assurance and compliance teams reviewing transcribed, keyword-flagged calls, while Whisperstream is strong for dictating emails, messages, and documents faster than typing. Both transcribe and summarize meetings.
Voiso 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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