Buzz: Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper. Salesfinity: AI parallel dialer for B2B SDR and AE teams with built-in objection tagging, call recording, and real-time coaching. 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 Buzz when transcribing recorded meetings, interviews, podcasts, or lectures offline matters most, and Salesfinity when sales managers coaching reps via recorded calls and objection insights matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper.
AI parallel dialer for B2B SDR and AE teams with built-in objection tagging, call recording, and real-time coaching.
Buzz is a widely used open-source desktop application that transcribes and translates audio offline on the user's personal computer, powered by OpenAI's Whisper. It is MIT-licensed and actively maintained, with v1.4.4 released in March 2026, and it has grown a large community with roughly 19.7k GitHub stars. Buzz runs on macOS, Windows, and Linux, with installation options including Flatpak, Snap, and PyPI. It supports both importing existing audio and video files and real-time transcription from microphone input, and it can export results in formats such as TXT, SRT, and VTT for subtitling and documentation. The app includes an advanced transcript viewer with search and playback controls, a watch folder for automatically transcribing new files, and a command-line interface for automation. It offers GPU acceleration through CUDA for Nvidia cards, Apple Silicon support, and Vulkan for many other GPUs, which makes faster transcription practical even on laptops. Buzz also provides speaker identification and speech separation for noisy audio, plus a plugin system that adds capabilities like AI-generated summaries. Because all processing happens locally, recordings and transcripts remain on the user's machine rather than being uploaded to a cloud service. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Salesfinity is an AI-powered parallel dialer built specifically for B2B SaaS sales development reps (SDRs) and account executives focused on outbound prospecting. The platform dials multiple numbers simultaneously and automatically filters out voicemails, dial tones, and automated responses so reps only spend time on live human conversations. Alongside the dialer, Salesfinity records and analyzes calls for coaching purposes: it tags objections, tracks recurring objection trends, and surfaces suggested responses and pitch tips during calls without requiring constant manager oversight. A collaborative "Salesfloor" feature lets teams dial together, share wins, and mentor newer reps in a shared virtual space. Salesfinity also includes waterfall data enrichment that replaces bad phone numbers with verified alternatives drawn from multiple data providers, and it auto-rotates and registers numbers to reduce spam flagging. It integrates with common revenue tools including HubSpot, Salesforce, Outreach.io, Salesloft, Apollo.io, and Amplemarket. The product is live and actively used by B2B SDR teams, with calling supported across more than 100 countries. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Buzz is a free tier with paid upgrades (freemium); Salesfinity is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Buzz | Salesfinity |
|---|---|---|
| Core capability | Offline transcription and translation using OpenAI's Whisper | AI parallel dialer that connects reps only to live human answers |
| Standout feature | Real-time transcription from microphone input | Automatic objection tagging and objection-trend tracking |
| Team usage | Speaker identification and speech separation for noisy audio | Call recording and call analysis for coaching |
| Integrations | Exports to TXT, SRT, and VTT | Real-time suggested responses and pitch tips during calls |
| Languages & capture | Watch folder for automatic transcription and a command-line interface | Collaborative Salesfloor for team dialing and mentoring |
| Best-fit workflow | GPU acceleration via CUDA, Apple Silicon, and Vulkan | Waterfall data enrichment to replace bad phone numbers |
Buzz
Choose Buzz if you need transcribing recorded meetings, interviews, podcasts, or lectures offline — strengths include fully offline so audio and transcripts stay on the user's computer.
Salesfinity
Choose Salesfinity if you need sdr teams running high-volume outbound cold-calling campaigns — strengths include purpose-built for high-volume outbound sdr and ae workflows.
Buzz
Salesfinity
It depends on your workflow. Buzz is strong for transcribing recorded meetings, interviews, podcasts, or lectures offline, while Salesfinity is strong for sdr teams running high-volume outbound cold-calling campaigns. Both transcribe and summarize meetings.
Buzz is a free tier with paid upgrades and Salesfinity 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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