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Juhyun Choi's avatar

Juhyun Choi

@JuhyunChoi
Busan, South Korea
@BuildWithChoi

RecoverFlow

Smart payment retries + dunning emails for Stripe SaaS. Stop losing 9% of MRR to failed payments. $29/mo.

  • RecoverFlow
    $0/mo(yet pre-launching)Building in public

    Smart payment retries + automated dunning emails for Stripe SaaS. Indie founders lose 9% of MRR to failed payments — RecoverFlow recovers it for $29/mo.

MeloDNA

MeloDNA turns your music taste into a personalized AI anthem. Enter 3-5 favorite artists, and our Translation Engine analyzes genre patterns, energy levels, and mood signatures to compose a 60-second vocal track unique to you. Share your Taste Card and highlight clip on Instagram Stories or TikTok. Free to try, $1.99 to unlock HQ downloads.

  • MeloDNA
    $0/mo2026 — present

    AI analyzes your favorite artists and composes a unique anthem that sounds like your music taste. Free to try, $1.99 for HQ downloads.

Recent activity

  • Commented onWhy I still haven't launched on Product Hunt at $1K MRR2026-03-13
  • Commented ona16z says "these startups don't exist yet - it's your time to build." I've been building one.2026-03-13
  • Commented onThe workflow test for finding strong AI ideas2026-03-13
  • Commented onWhat happened after my AI contract tool post got 70+ comments2026-03-12
  • Commented onHonest question: we blog weekly, 0 technical errors, follow every SEO checklist still stuck at DA 12. What are we missing?2026-03-12
  • Commented onWhy I still haven't launched on Product Hunt at $1K MRR2026-03-12
  • Commented on$300 MRR in 7 days. Here's exactly how I launched PostClaw.2026-03-11
  • Commented onWhat happened after my AI contract tool post got 70+ comments2026-03-10
  • Commented onI got tired of fake signups ruining my SaaS database, so I built a drop-in React component to stop them (Open Source)2026-03-10
  • Commented onI realized the loudest users aren’t the ones who matter2026-03-10
  • Commented onI built a way to gift real environmental impact in 30 seconds. Looking for feedback! 🌍2026-03-09
  • Posted5 Days, 0 Signups: I'm Shutting Down My SaaS Before Writing a Single Line of Backend Code2026-02-21
  • Commented onI built a way to gift real environmental impact in 30 seconds. Looking for feedback! 🌍2026-02-20
  • Commented onMost founders don’t have a product problem. They have a timing problem.2026-02-20
  • Commented onBootstrapping a $20k/mo AI portfolio after his VC-backed company failed2026-02-20
  • Commented onHitting $10k+/mo by using an agency as both testing ground and distribution2026-02-20
  • Commented onYou don't need more users. You need one who'd be upset if you disappeared.2026-02-20
  • Commented onI doubled my revenue by stopping marketing for 3 months2026-02-20
  • Commented onYour SaaS doesn't need a marketing strategy. It needs a distribution habit.2026-02-20
  • Commented onReddit was supposed to be free growth. It cost me 4 months and a product instead.2026-02-20

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