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. Optiverse: Swiss AI meeting assistant (Optiverse AG, Zurich) that transcribes meetings, generates summaries and action items, and feeds CRM and workflow tools. The right pick comes down to team size, budget, and the workflows you want to automate.
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 Optiverse when enriching crm records and follow-up tasks from sales meetings 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.
Swiss AI meeting assistant (Optiverse AG, Zurich) that transcribes meetings, generates summaries and action items, and feeds CRM and workflow tools.
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
Optiverse is an AI meeting assistant developed by Optiverse AG, a Swiss company headquartered in Zurich and incorporated in 2024. The platform centralizes and automates meeting data for both virtual and in-person meetings, capturing conversations via integrations with Zoom, Microsoft Teams and Google Meet as well as in-person recordings. Its OptiAgent assistant auto-generates transcripts, summaries and action items in 45+ languages, lets users ask for key points and insights from a meeting, and goes beyond documentation by populating tasks in boards, drafting follow-up emails and syncing data into downstream workflows. Optiverse markets a dedicated sales configuration that turns meeting content into CRM enrichment, pipeline updates and assigned follow-up tasks, and the company states it offers a large catalog of integrations spanning transcripts, email, meetings, CRM and messaging. It is offered as a cloud product for SMEs and an on-premise option for larger enterprises. On the compliance side, Optiverse emphasizes Swiss hosting, enterprise-grade security, GDPR and Swiss FADP alignment, ISO 27001 certification, and a stated policy of not using customer data for AI model training. The product is actively operating in 2025/2026, with the company reporting daily meeting usage and B2B pilots and having received Swiss startup funding and recognition. Pricing varies by plan. Check the official website for current pricing.
Best suited for
DubTab is a free tier with paid upgrades (freemium); Optiverse is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | DubTab | Optiverse |
|---|---|---|
| Core capability | Real-time translated subtitles overlaid on any audio-playing browser tab | OptiAgent assistant producing transcripts, summaries and action items in 45+ languages |
| Standout feature | Low-latency AI voice dubbing that speaks the translation aloud | Capture for virtual meetings (Zoom, Teams, Meet) and in-person recordings |
| Team usage | Optional bilingual captions showing original and translation simultaneously | Follow-up email drafting and automatic task creation in boards |
| Integrations | Support for 50+ languages with selectable AI voices | CRM enrichment and sales-pipeline workflow automation |
| Languages & capture | Works across video, streaming and meeting platforms (YouTube, Twitch, Zoom, Google Meet, Teams, Udemy, Coursera) | Broad catalog of integrations across transcripts, email, CRM and messaging |
| Best-fit workflow | In-tab audio processing with no file uploads required | Cloud and on-premise deployment options |
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.
Optiverse
Choose Optiverse if you need automating meeting notes and action items for swiss and european teams — strengths include swiss-hosted with strong privacy positioning (gdpr, fadp, iso 27001).
DubTab
Optiverse
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 Optiverse is strong for automating meeting notes and action items for swiss and european teams. Both transcribe and summarize meetings.
DubTab is a free tier with paid upgrades and Optiverse 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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