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Corx
Share music the 30 seconds that made you love a song.
Corx is the music app where you only share the chorus — the 15-60 second hook that makes a song unforgettable. Skip the intros. Skip the algorithm. Just the part that gives you chills, curated by humans who love the same music as you. Built for people who message friends "wait for the drop at 1:23"
Hey Product Hunt 👋
I'm Yohei — solo dev from Japan. Corx is what I built because
I got tired of how broken music discovery feels.
Here's the thing I noticed:
When I send a song to a friend, I never say "listen to this."
I say "skip to 1:23" or "wait for the drop." The chorus — the hook —
is the part that actually makes you fall for a song.
But every music app treats songs as a single block. Algorithm
plays the intro, you give it 5 seconds, you skip. Songs with
slow build-ups die. The moment that matters gets buried.
Corx flips it: you only post the chorus (15-60s). Your feed
becomes pure hooks, curated by humans with taste — not by
listening-time optimization.
A few things I'm proud of:
EN / JA / IT / ES on day one (music has no borders)
Free forever for the core experience
What's next:
→ "Ambassador" program for genre-curators
→ Mood-based discovery (songs that hit different at 2am)
I'd genuinely love your take on two things:
1. What song's chorus would you post first? (drop the timestamp,
I'm building the launch playlist from your answers 🎧)
2. Is "chorus-only" a feature, or a product? I keep flipping
on this myself.
I'll be here all day. Thanks for checking it out — every
upvote, comment, and roast helps a solo dev like me a ton
— Yohei
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About Corx on Product Hunt
“Share music the 30 seconds that made you love a song. ”
Corx was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #156 on the daily leaderboard. Corx is the music app where you only share the chorus — the 15-60 second hook that makes a song unforgettable. Skip the intros. Skip the algorithm. Just the part that gives you chills, curated by humans who love the same music as you. Built for people who message friends "wait for the drop at 1:23"
Corx was featured in Android (57.3k followers), Music (53.4k followers) and Social Media (89k followers) on Product Hunt. Together, these topics include over 73.4k products, making this a competitive space to launch in.
Who hunted Corx?
Corx was hunted by Yohei Onishi. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Corx stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Yohei Onishi