DubTab: DubTab is a Chrome and Edge browser extension that delivers real-time translated subtitles and optional AI voice dubbing for audio playing in any browser tab, including livestreams and online meetings. Zell: Berlin-based sales performance intelligence platform that analyzes real sales calls, surfaces skill gaps, and delivers AI coaching and roleplays, using GDPR-compliant on-device transcription. 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 DubTab when following zoom, google meet or teams meetings in another language with live captions and dubbing matters most, and Zell when automating sales-manager coaching with personalized plans and ai roleplays matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
DubTab is a Chrome and Edge browser extension that delivers real-time translated subtitles and optional AI voice dubbing for audio playing in any browser tab, including livestreams and online meetings.
Berlin-based sales performance intelligence platform that analyzes real sales calls, surfaces skill gaps, and delivers AI coaching and roleplays, using GDPR-compliant on-device transcription.
DubTab is a browser extension for Chrome and Edge that translates spoken audio in real time as it plays in a browser tab. Rather than requiring file uploads or exports, it listens to the audio of whatever tab is playing and produces live translated subtitles on screen, optional bilingual (original plus translation) captions, and low-latency AI voice dubbing that speaks the translation aloud. The vendor states audio stays in the tab and only text segments are processed, and that translations appear with roughly half-a-second latency suitable for live content. It supports 50+ languages and offers voice selection and volume-ducking controls. Because it works on any site with audio, supported contexts include YouTube, Twitch, Netflix, Udemy, Coursera and Bilibili, as well as meeting and conferencing tools such as Zoom, Google Meet and Microsoft Teams, where it can show what participants are saying in real time. It is aimed at online learners, livestream and international-content viewers, and remote meeting participants who need on-the-fly interpretation and captioning.
Best suited for
Zell is a Berlin-based AI platform that captures and analyzes real sales calls to give sales teams performance visibility and automated coaching. It works across video calls, phone calls, and in-person meetings, automatically evaluating call behaviors such as talk patterns, objection handling, and discovery depth, and producing scorecards and instant AI call summaries once conversations end. A skill-gaps dashboard helps managers see who is improving and where coaching is needed, while an AI coaching component (named Dave) generates personalized feedback, coaching plans, and roleplay simulations based on each rep's actual performance, then tracks improvement over time. Zell positions itself as a layer that turns conversation insights into action and automates much of the sales manager's manual coaching workload. As a European company founded in 2024, Zell emphasizes GDPR-compliant, on-device transcription that does not require a meeting bot or store customer data. The company has validated its model with clients across the US, Germany, Italy, and Spain and is backed by European pre-seed investors. It is a newer, privacy-focused alternative to large US conversation intelligence platforms. Pricing varies by plan. Check the official website for current pricing.
Best suited for
DubTab is a free tier with paid upgrades (freemium); Zell is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | DubTab | Zell |
|---|---|---|
| Core capability | Real-time translated subtitles overlaid on any audio-playing browser tab | Captures and analyzes video, phone, and in-person sales calls |
| Standout feature | Low-latency AI voice dubbing that speaks the translation aloud | GDPR-compliant on-device transcription without a meeting bot or stored customer data |
| Team usage | Optional bilingual captions showing original and translation simultaneously | Automated scorecards on talk patterns, objection handling, and discovery depth |
| Integrations | Support for 50+ languages with selectable AI voices | Instant AI call summaries after each conversation |
| Languages & capture | Works across video, streaming and meeting platforms (YouTube, Twitch, Zoom, Google Meet, Teams, Udemy, Coursera) | Skill-gap dashboard for managers across reps |
| Best-fit workflow | In-tab audio processing with no file uploads required | AI coaching, personalized coaching plans, and roleplay simulations |
DubTab
Choose DubTab if you need following zoom, google meet or teams meetings in another language with live captions and dubbing — strengths include real-time, low-latency translation works live across meetings, courses and streams without pausing.
Zell
Choose Zell if you need analyzing real sales calls to score rep behaviors and identify skill gaps — strengths include privacy-first design with on-device transcription suited to gdpr-conscious eu teams.
DubTab
Zell
It depends on your workflow. DubTab is strong for following zoom, google meet or teams meetings in another language with live captions and dubbing, while Zell is strong for analyzing real sales calls to score rep behaviors and identify skill gaps. Both transcribe and summarize meetings.
DubTab is a free tier with paid upgrades and Zell 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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