Exec: Voice-based AI roleplay platform that lets sales reps practice high-stakes conversations against realistic AI buyers and get instant coaching. Whisperstream: Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Exec when practicing cold calls, discovery, and objection handling safely matters most, and Whisperstream when transcribing imported audio recordings privately on-device matters most. Run both through a week of actual calls to see which suits your workflow.
Voice-based AI roleplay platform that lets sales reps practice high-stakes conversations against realistic AI buyers and get instant coaching.
Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload.
Exec is an AI roleplay and training platform designed to help sales reps, leaders, and support staff practice high-stakes conversations before they happen with real customers. Its core function is generating voice-based AI characters that simulate buyers and other counterparts, complete with industry context and customizable traits, so reps can rehearse cold calls, discovery, negotiation, and objection handling in unscripted, dynamic conversations. The platform supports custom scenario creation and includes screen-sharing functionality so reps can practice product demos and presentations, not just talk tracks. After each roleplay, Exec provides instant performance insights, including actionable improvement tips and an AI coach that can explain scores, surface growth areas, and run short follow-up sessions to work through specific gaps. For managers and enablement teams, Exec offers analytics dashboards tracking skill development over time, performance trending, leaderboards, certification, and integration with existing learning management systems. It maintains SOC 2 Type II certification and states it does not use customer data to train its models. Exec is aimed at enterprise sales and revenue teams that want to close the gap between training content and real behavior change through repeated, measurable practice. Pricing varies by plan. Check the official website for current pricing.
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
Exec 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 | Exec | Whisperstream |
|---|---|---|
| Core capability | Voice-based AI roleplay with customizable buyer personas | Local, on-device speech-to-text using the NVIDIA Parakeet model (no cloud upload) |
| Standout feature | Custom scenario creation for realistic practice situations | Push-to-talk dictation that inserts text into any application |
| Team usage | Screen-sharing practice for demos and presentations | Audio file import for transcribing existing recordings |
| Integrations | AI coach that explains scores and runs follow-up sessions | Searchable, encrypted transcript history with audio replay |
| Languages & capture | Manager dashboards with skill tracking, leaderboards, and certification | AI cleanup plus per-app custom AI prompts and custom vocabulary |
| Best-fit workflow | Voice-based AI roleplay with customizable buyer personas | 25-language support with full offline operation |
Exec
Choose Exec if you need practicing cold calls, discovery, and objection handling safely — strengths include voice-based, unscripted roleplays that adapt to the rep.
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.
Exec
Whisperstream
It depends on your workflow. Exec is strong for practicing cold calls, discovery, and objection handling safely, while Whisperstream is strong for dictating emails, messages, and documents faster than typing. Both transcribe and summarize meetings.
Exec 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.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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