123 Notetaker AI: Microsoft Teams marketplace app from BlueSky Apps that shows live transcription in the Teams sidebar and emails AI meeting notes afterward. aTrain: Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection. 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 123 Notetaker AI when teams-centric organizations that do not have or want copilot licenses matters most, and aTrain when universities and public bodies needing gdpr-friendly local transcription matters most. Run both through a week of actual calls to see which suits your workflow.
Microsoft Teams marketplace app from BlueSky Apps that shows live transcription in the Teams sidebar and emails AI meeting notes afterward.
Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection.
123 Notetaker AI is an AI meeting notes and transcription app for Microsoft Teams, built by BlueSky Apps. It runs entirely inside the Teams interface and does not depend on Microsoft Copilot, giving teams an independent option for capturing meetings. During a call, participants can open the app from the meeting window to follow AI-powered transcription that appears in real time in the Teams app sidebar. After the meeting ends, 123 Notetaker AI generates a summary and emails the meeting notes, while transcripts and notes are stored in the user's BlueSky account for later reference. Because it is installed from the Microsoft commercial marketplace and operates within Teams rather than as a browser overlay or external bot, it fits organizations that want note-taking contained in their existing Teams workflow. BlueSky Apps offers a family of conferencing add-ons across Teams, Zoom, and Google Meet, and provides a free plan with paid upgrades for additional capacity and features. The app is currently listed and operating in 2025-2026, and is documented in the company's help center and several third-party Teams tool roundups. Pricing varies by plan. Check the official website for current pricing.
Best suited for
aTrain is a free, open-source desktop application for offline speech transcription, developed by researchers at the Business Analytics and Data Science Center of the University of Graz in Austria. It provides a graphical interface around OpenAI's Whisper model (via the faster-whisper implementation) so users with no programming experience can transcribe recorded meetings, interviews, lectures, and other audio. Because all processing happens locally on the user's own computer, no audio or text is uploaded to any server, which makes it well suited to privacy-sensitive and GDPR-conscious environments such as universities, public institutions, and research teams. aTrain supports a wide range of languages and adds speaker detection through pyannote.audio so contributions from different participants can be separated. Transcripts can be exported in formats compatible with qualitative-analysis software such as MAXQDA, ATLAS.ti, and NVivo. It runs on Windows (including a Microsoft Store distribution) with GPU acceleration on NVIDIA hardware, and is distributed under the AGPL-3.0 license. It is best for researchers, academics, and organizations that need accurate, local, no-cloud transcription of recorded conversations. Pricing varies by plan. Check the official website for current pricing.
Best suited for
123 Notetaker AI is a free tier with paid upgrades (freemium); aTrain is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | 123 Notetaker AI | aTrain |
|---|---|---|
| Core capability | Native Microsoft Teams app installed from the commercial marketplace | Offline, fully local transcription with no data leaving the device |
| Standout feature | Real-time transcription displayed in the Teams app sidebar | Built on OpenAI Whisper via the faster-whisper engine |
| Team usage | Automatic AI meeting summary emailed after the meeting | Speaker detection/diarization using pyannote.audio |
| Integrations | Notes and transcripts stored in a BlueSky account for later access | Exports compatible with MAXQDA, ATLAS.ti, and NVivo |
| Languages & capture | Works without requiring Microsoft Copilot licensing | Graphical interface requiring no programming skills |
| Best-fit workflow | Free plan with paid upgrade tiers | NVIDIA GPU acceleration support |
123 Notetaker AI
Choose 123 Notetaker AI if you need teams-centric organizations that do not have or want copilot licenses — strengths include runs inside teams with no separate app or browser extension to manage.
aTrain
Choose aTrain if you need researchers transcribing recorded interviews for qualitative analysis — strengths include free and open source under agpl-3.0.
123 Notetaker AI
aTrain
It depends on your workflow. 123 Notetaker AI is strong for teams-centric organizations that do not have or want copilot licenses, while aTrain is strong for researchers transcribing recorded interviews for qualitative analysis. Both transcribe and summarize meetings.
123 Notetaker AI is a free tier with paid upgrades and aTrain 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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