Buzz: Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper. Summarize by Moodbit: A Microsoft Teams app from Moodbit, available on the Teams app store / Microsoft AppSource, that turns Teams meeting transcriptions into AI summaries, action items and sentiment analysis. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Buzz when transcribing recorded meetings, interviews, podcasts, or lectures offline matters most, and Summarize by Moodbit when extracting suggested action items from teams calls matters most. Try them side by side on real calls before deciding — needs vary by team.
Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper.
A Microsoft Teams app from Moodbit, available on the Teams app store / Microsoft AppSource, that turns Teams meeting transcriptions into AI summaries, action items and sentiment analysis.
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
Summarize by Moodbit is a Microsoft Teams app published by Moodbit and listed on the Microsoft Teams app store / Microsoft AppSource. It is designed to plug directly into Microsoft Teams meetings and convert real-time Teams transcriptions into clear, concise meeting notes without manual note-taking. After a meeting, the app posts an AI-generated summary of key points and a list of suggested action items into the chat, so participants can focus on the conversation rather than on writing things down. A distinguishing feature is AI-powered sentiment analysis applied to Teams meetings, which classifies the tone of the discussion as positive, neutral or negative to help teams understand dynamics and morale. Because it is delivered as a native Teams add-on, there is no separate software to install beyond adding it from the Teams store, and it works for participants attending live as well as those catching up afterward. Moodbit's broader platform has expanded toward enterprise AI automation, and the Summarize Teams add-on continues to be promoted and listed as available in 2025/2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Buzz is a free tier with paid upgrades (freemium); Summarize by Moodbit is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Buzz | Summarize by Moodbit |
|---|---|---|
| Core capability | Offline transcription and translation using OpenAI's Whisper | Distributed through the Microsoft Teams app store / Microsoft AppSource |
| Standout feature | Real-time transcription from microphone input | Turns real-time Microsoft Teams transcriptions into meeting notes |
| Team usage | Speaker identification and speech separation for noisy audio | AI-generated meeting summaries posted to the Teams chat |
| Integrations | Exports to TXT, SRT, and VTT | Automated action-item and task recommendations |
| Languages & capture | Watch folder for automatic transcription and a command-line interface | AI-powered sentiment analysis of meeting tone |
| Best-fit workflow | GPU acceleration via CUDA, Apple Silicon, and Vulkan | Native Teams add-on with no separate software to install |
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.
Summarize by Moodbit
Choose Summarize by Moodbit if you need automatically summarizing microsoft teams meetings into the chat — strengths include installs natively from the microsoft teams store with minimal setup.
Buzz
Summarize by Moodbit
It depends on your workflow. Buzz is strong for transcribing recorded meetings, interviews, podcasts, or lectures offline, while Summarize by Moodbit is strong for automatically summarizing microsoft teams meetings into the chat. Both transcribe and summarize meetings.
Buzz is a free tier with paid upgrades and Summarize by Moodbit is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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