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Jonathan Vargasleft a comment
Hey PH! I'm Jon, solo indie dev. I built Beltr because every karaoke app I tried was either subscription-based, required a specific song catalog, or couldn't work offline. I wanted to sing MY songs at house parties without paying $15/month forever. The AI separation (Meta's Demucs v4) runs locally on your machine — your music never leaves your computer. Guests connect phones by scanning a QR...

BeltrTurn any song into karaoke with AI — no subscription, ever
Drop any song. AI strips the vocals in 30 seconds. Synced lyrics on your TV, phones as wireless remotes guests scan a QR code, no app needed. Real-time pitch scoring with leaderboards. 4-stem mixer lets you fade vocals for showtime or keep them for practice. Works with YOUR music library, runs fully offline, and costs $19.99 once no subscription ever. Try 5 songs free, no credit card.

BeltrTurn any song into karaoke with AI — no subscription, ever
Scan any paper, preserve perfect layout, get AI insights—all on-device. No special notebooks. No cloud processing. Privacy-first document scanning for iPhone and iPad.
🚀 LAUNCH SPECIAL: We are offering Lifetime Pro Access (Free) to the first 150 beta testers who join via Product Hunt. Secure your spot now to avoid the future subscription price.

OneScribeTurn any paper into a smart notebook
Jonathan Vargasleft a comment
"Hi Hunters! 👋 I’m Jon Vargas, creator of OneScribe. I built this because I was tired of scanning apps flattening my handwritten lists into unformatted text blobs. I wanted a privacy-first tool that actually respects the layout of my notes. What makes OneScribe different? Layout Preservation Engine: It detects physical whitespace and keeps your indentation/lists intact when syncing to OneNote...

OneScribeTurn any paper into a smart notebook
