A desktop app, plus a website, for DJs who care about the shape of a set. Reads a music library across four major DJ platforms, draws each planned set as an energy arc, walks the DJ in on the night.
Most DJ planning tools focus on the technical metadata: BPM, key, genre. Almost none look at energy, narrative, or the actual shape of a set.
The brief was to build something that did. Read the library a DJ already has. Plan each set visually as an energy curve. Get the finished plan back out into whatever software the DJ actually plays out of, ready for the night.
The hard part was making one app integrate cleanly with the four different pieces of DJ software DJs actually use, without forcing them to re-import or re-tag a single track.
Five things I built into the SetPrep site that quietly do real work. The kind of bits I'd build into yours, too.
A homepage that earns the click. HD video plays behind the type.
Live counters and moving infographics. Small motion, big impression.
Three downloads, three architectures, served to the right people.
Graphics that explain the product as you scroll. No video file, no Lottie fee.
A full account system: verified email, licence keys, platform-aware downloads, password reset. Real database behind the login. (Personal details redacted.)
Discovery first. Decide what should exist before deciding what to build. Most app ideas turn out to be features. A few genuinely need to be apps. This one did.
Design in the browser before any code: clickable, responsive, opinion-able. Then build, with a fresh demo every Friday so nothing happens behind a closed door.
It's the same rhythm any small business client would get. Weekly demos. Fixed scope at each milestone. No agency stack between brief and build.
If you're sitting on an idea you can't quite tell is a website or an app, that's a good first conversation to have. Tell me about it.
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