Alter: macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required. 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. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Alter when freelancers and consultants privately capturing client calls without a visible bot matters most, and DubTab when watching international livestreams, webinars or videos with instant translated subtitles matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required.
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.
Alter is a native macOS application that records, transcribes, and analyzes meetings directly on the user's Mac without sending a bot into the call. Instead of joining a meeting as a visible participant, Alter captures audio from the system output and microphone, so it works across Zoom, Microsoft Teams, Google Meet, WhatsApp, FaceTime, Skype, Discord, and in-person conversations. Transcription runs through on-device models, with a choice of an optimized Parakeet model for major languages or Whisper for broader language coverage, and speaker identification is performed locally. Because processing happens on the device, recordings and transcripts stay on the Mac and the app can operate without an internet connection. Beyond raw transcripts, Alter generates summaries and action items, lets users chat with their meetings, and connects to tools such as Notion, Slack, Linear, Asana, and Jira. It targets solopreneurs, freelancers, consultants, and other professionals who want private, bot-free meeting capture on macOS. The product is actively developed and operating in 2025 and 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
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
Alter is a free tier with paid upgrades (freemium); DubTab is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Alter | DubTab |
|---|---|---|
| Core capability | On-device transcription using built-in Whisper and Parakeet models | Real-time translated subtitles overlaid on any audio-playing browser tab |
| Standout feature | Bot-free capture of system audio and microphone across any meeting or call app | Low-latency AI voice dubbing that speaks the translation aloud |
| Team usage | Automatic speaker identification performed locally | Optional bilingual captions showing original and translation simultaneously |
| Integrations | AI summaries, action items, and chat-with-your-meeting Q&A | Support for 50+ languages with selectable AI voices |
| Languages & capture | Integrations with Notion, Slack, Linear, Asana, Jira and other tools | Works across video, streaming and meeting platforms (YouTube, Twitch, Zoom, Google Meet, Teams, Udemy, Coursera) |
| Best-fit workflow | Offline operation with recordings and transcripts stored locally | In-tab audio processing with no file uploads required |
Alter
Choose Alter if you need freelancers and consultants privately capturing client calls without a visible bot — strengths include local processing keeps recordings and transcripts on the user's own mac.
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.
Alter
DubTab
It depends on your workflow. Alter is strong for freelancers and consultants privately capturing client calls without a visible bot, while DubTab is strong for following zoom, google meet or teams meetings in another language with live captions and dubbing. Both transcribe and summarize meetings.
Alter is a free tier with paid upgrades and DubTab 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.
More head-to-head comparisons involving Alter and DubTab.
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