Aircall: Cloud phone and call center platform with built-in AI conversation intelligence: transcription, call summaries, sentiment, and call scoring. 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 Aircall when running outbound and inbound sales calling with ai transcription 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.
Cloud phone and call center platform with built-in AI conversation intelligence: transcription, call summaries, sentiment, and call scoring.
Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload.
Aircall is a cloud-based phone and call center platform widely used by sales and support teams, with an integrated AI conversation intelligence layer that runs across calls rather than as a separate bolt-on system. Its core function is to handle business calling through features like power dialing, call recording, IVR, queueing, and routing, while Aircall AI transcribes conversations and analyzes them for insights. The conversation intelligence capabilities include AI-generated call summaries, key topic recognition, sentiment analysis, talk-to-listen ratios, transcription text search, and call scoring, which together help teams spot coaching opportunities and understand customer objections and buying signals. Aircall centralizes communications in a Workspace that brings voice, text, voicemail, and WhatsApp into a threaded view around each customer, with access to recordings and transcripts. The platform logs activity and transcripts to connected CRMs, and an analytics add-on extends dashboards with advanced filters, longer history, and KPI drill-downs. Aircall is aimed at sales and customer-facing teams that want a reliable cloud phone system with conversation intelligence included, rather than running a separate dialer and analysis tool. 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
Aircall 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 | Aircall | Whisperstream |
|---|---|---|
| Core capability | Cloud calling with power dialing, recording, IVR, and routing | Local, on-device speech-to-text using the NVIDIA Parakeet model (no cloud upload) |
| Standout feature | AI call summaries with key topic recognition | Push-to-talk dictation that inserts text into any application |
| Team usage | Sentiment analysis and talk-to-listen ratios | Audio file import for transcribing existing recordings |
| Integrations | Transcription with text search and call scoring | Searchable, encrypted transcript history with audio replay |
| Languages & capture | CRM logging and an advanced analytics add-on | AI cleanup plus per-app custom AI prompts and custom vocabulary |
| Best-fit workflow | Cloud calling with power dialing, recording, IVR, and routing | 25-language support with full offline operation |
Aircall
Choose Aircall if you need running outbound and inbound sales calling with ai transcription — strengths include conversation intelligence is built into the phone system itself.
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.
Aircall
Whisperstream
It depends on your workflow. Aircall is strong for running outbound and inbound sales calling with ai transcription, while Whisperstream is strong for dictating emails, messages, and documents faster than typing. Both transcribe and summarize meetings.
Aircall 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.
Often yes: teams combine tools when one handles capture and another handles analysis.
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