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Caplo

Real-time AI captions & translation for any iOS app

iOS
Productivity
Artificial Intelligence

Hunted byZiven JayZiven Jay

Caplo brings real-time AI captions & translation to any iOS app. it captures system audio to provide live subtitles in a floating Picture-in-Picture (PiP) window—perfect for foreign streams, meetings, or anime. • Floating PiP: Overlays any app you use. • 12+ Languages: English, Japanese, Chinese, Spanish, etc. • Universal: Works with YouTube, Zoom, Netflix & more. • AI-Powered: Fast and accurate transcription. Break the language barrier on your iPhone!

Top comment

Hey Product Hunt community! 👋 I’m the maker of Caplo. This project started from my own frustration: I love watching foreign content and attending global tech meetups, but I often found myself lost when there were no subtitles. So I built Caplo. The goal was simple: If you can hear it on your phone, you should be able to understand it. Caplo can "read" audio from ANY app without needing internal integrations. Combined with a floating Picture-in-Picture window, it feels like a native part of your OS. I’ll be here all day to answer your questions. Let me know what you think! 🚀

Comment highlights

Hello!

I tried to check it out in my husband's family group on whatsapp (they are Syrian, im Mexican), I played some voicenotes, some recordings but when I came back to Caplo the record mentioned zero words! I also tried with youtube and same zero answer.
I tried several ways but the app never came back with any results. Am I doing something wrong? Maybe It would be useful to have a small tutorial at the beginning or some visuals that show what to expect.

Super impressive, congrats on the product and the launch!

What's next on your roadmap? Do you want to focus on covering more languages, add other complementary features, or something else?

Real-time translation for live calls is genuinely hard to get right. How does it handle strong accents or fast speakers?

If I rewatch a video I've already transcribed before, does it use up my minutes again? Or can I access the previous transcription from the session history?