LivaSub AI Live Captions
Live captions & translation, private and offline
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
LivaSub turns live speech into real-time captions and translations directly on your device. It automatically detects speech, displays floating subtitles, and can keep conversations private without requiring an internet connection. Designed for meetings, travel, classes, and multilingual conversations. Download the language models once, then use live captions and translation offline. Transcripts can also be saved for later review.
PH · launched Sep 24, 2026 · 1 upvote (top 69%) · 0 views
Niche: real-time speech translation software · 86 launches, 10 in the last 7 days ▼ -9% · Explore this niche →
Category and tags
- Horizontal
- Communication
- B2C
- AI feature
- Commercial product
- Android
- Productivity
- Artificial Intelligence
Visit website ↗ Source listing ↗
More like this: all 86 launches in real-time speech translation software →
Could you build this?
Partial Building an iOS app with floating overlays is standard, but doing real-time, low-latency multi-language speech-to-text and translation entirely offline on-device requires optimized ML model pipelines (e.g., CoreML/Whisper variants).
What it would actually take: A developer needs an iOS Swift app utilizing Picture-in-Picture or system overlay tricks for floating subtitles, paired with quantized on-device models like whisper.cpp or Apple's Speech/CoreML frameworks. The challenging part is achieving concurrent multi-language transcription and translation within mobile memory and thermal budgets with sub-second latency. Optimizing CoreML kernels and managing multi-threaded audio buffers offline requires specialized mobile ML engineering.
Competitors
Other products that read as similar to this one : 397 launches clear the similarity bar, closest 8 shown.
Attention rank: #322 of 398 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 307 days after the earliest competitor.
- LiveTranslate · ph · 2026-09-30 · 1 upvotes · similarity 0.65
- DubMochi · ph · 2026-11-09 · 1 upvotes · similarity 0.59
- LiveSub · ph · 2026-09-22 · 1 upvotes · similarity 0.59
- RealSub · ph · 2026-11-07 · 1 upvotes · similarity 0.58
- Live Subtitle Ai · ph · 2026-09-29 · 1 upvotes · similarity 0.58
- Live Captions & Transcribe · ph · 2026-10-28 · 2 upvotes · similarity 0.56
- SCAPTION · ph · 2026-09-13 · 7 upvotes · similarity 0.56
- VocaLume · ph · 2026-11-13 · 1 upvotes · similarity 0.56
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.