About

Turn ideas into reality

Not an agency. Not a portfolio for show. Just a space to build real products through vibecoding — and put them into real hands.

What is Yangopen?

Yangopen is where real ideas and everyday needs are shaped into complete products. No noisy “ecosystem” hype or empty slide deck promises — every product here exists to decisively solve a specific problem.

From mobile apps for daily workflows like PhaseSnap and PaperHear that are actively in service, to a full creative AI suite for images, audio, and video. Straightforward status and genuine utility are how Yangopen operates.

Current Products

1. Mobile Apps & Platforms

  • PhaseSnap: Document site and field progress with photos stamped with precise timestamp, GPS coordinates, and clear context on iPhone.
  • Quipline: Smart iOS contextual keyboard suggestions — paste text, scan screenshots, and generate natural responses right as you type.
  • PaperHear: Convert study materials, PDFs, articles, and scans into clean reading text, with sentence-accurate natural voice playback.

2. Creative AI Suite & Web Utilities

A collection of next-gen AI tools tailored for fast, sharp, and effortless multimedia workflows:

  • Text to Speech (TTS): Natural AI voice synthesis with 2,600+ voices across 8 languages, background music integration, and WAV or MP3 export.
  • Colorize & Restore: Breathe life into black-and-white photos and archival imagery using deep neural models — restoring vivid color without altering original soul and texture.
  • Super-Resolution (Sharpen): Upscale resolution and bring out crisp edge details, fabrics, and fine textures using AI models, keeping the original colors and style.
  • Remove Background: Clean portrait and object cutouts down to the finest hair strands in a single tap.
  • Multimedia Utilities: Multi-track timeline video editor, Speech-to-Text transcription, OCR text recognition, and a universal format converter for media and docs.

How We Build

Simple and direct: Spot a real friction → Vibe out a working build → Test with real people → Optimize or drop if not useful.

  • Start from real needs: No building from theoretical ideas that only sound good on slides.
  • Clear from the first tap: Pick it up and understand it immediately without a manual.
  • Keep core value: Cut the fluff, focusing 100% on speed, quality, and sharp results.
  • Listen and continuously improve: Products get better through genuine daily feedback from real users.
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Want to see what’s being built?

Browse the apps, or send a line if you want to talk.