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Mi-Sub

Real-time English ↔ Spanish subtitles on web & Windows

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Mi-Sub gives you live English ↔ Spanish transcription and translation in real time. Use it directly in your browser or download the Windows desktop app for calls, interpreting, study, and everyday conversations. Start with 30 free minutes — no card required.

PH · launched Oct 28, 2026 · 2 upvotes (top 22%) · 0 views

Niche: real-time speech translation software · 86 launches, 10 in the last 7 days ▼ -9% · Explore this niche →

Category and tags

  • Media & entertainment
  • Content generation
  • B2C
  • AI-native
  • Commercial product
  • Productivity
  • Languages
  • Artificial Intelligence

Visit website ↗ Source listing ↗

Could you build this?

Partial A web UI wrapping streaming ASR and translation APIs is vibe-codeable, but low-latency live subtitles plus system-audio capture in the Windows desktop app adds real-time engineering difficulty.

What it would actually take: The stack would be a streaming speech-to-text API (or self-hosted model) feeding a translation model over WebSockets, with a Windows audio-loopback capture layer and a subtitle overlay. Hitting low latency and accurate turn handling requires someone experienced with real-time audio pipelines and tuning under load.

Competitors

Other products that read as similar to this one : 382 launches clear the similarity bar, closest 8 shown.

Attention rank: #69 of 383 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 341 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.