Concept 02 / 10 · Insert CoinAll concepts ←
P1Off By OneDevs
Wins No handicap
ROUND 3 Voting endsSun 25 Oct · 09:00 UTC
Vibe CodersVibe CheckP2
Wins Handicap −48h

Voting openR03 · Season 1 · Bracket BStage 3 · the brief

A tracker for borrowed books and tools

The Devs wrote their app's code. The Vibe Coders had AI write theirs. Try both, then vote for the one you'd rather use.

P1 · DevsOff By One

Who Has It

A shared list for the whole flat, with photos and due dates.

No handicapFull seven days to build

Open app Source code
P2 · Vibe CodersVibe Check

Boomerang

Lend anything with one tap. It comes back, like a boomerang.

Handicap48 hours less to build

Open app Source code

One vote per round · the count stays sealed until Sun 25 Oct, 09:00 UTC

Your pick: Who Has ItSign in to lock it in ▶

Also live · Bracket A Null PointersvsPrompt PilotsShelfie vs LendLoop · Null Pointers built phone-first (handicap) · votes sealed Judge Bracket A
  • Prize pool: $365
  • 14 judges voted in Round 3
  • 2 sponsors
  • Season score: Devs 2, Vibe Coders 2
  • Judging takes two minutes
  • Free to join
  • Round 4 brief drops Mon 26 Oct, 09:00 UTC

Bonus stage

Live duel · Round 2 · Bracket B · the loser leaves their team

Open the duel
CD1 WIN

Chloe Dubois

Off By One · Devs · @chloe

Best scores sealed

Duel ends inSunday 25 October, 17:00 UTC

KN

Kira Novak

Vibe Check · Vibe Coders · @kira

Best of three tries counts. Scores stay sealed until Sun 25 Oct, 17:00 UTC. Chloe won her Round 1 duel by 140 points.

How to play

How a round works · four moves, then repeat

Read the full rules

Move list

Every round · both brackets · same rules

  1. Same briefBoth teams · seven days

    +START

    Both teams get the same brief and the same deadline: seven days to build.

  2. You judgeOpen both · vote onceNow · R03

    +A

    Open both apps, cast one vote and leave a line of feedback. The count stays hidden until voting closes.

  3. DuelBest of three tries

    +P

    Each captain picks a player from the other team. Both play the same game. Best of three tries wins.

  4. OutLoser leaves the team

    +K

    The duel loser leaves the team. The team that lost the vote gets a handicap next round.

Then it repeats, until a team can't field two players or the rounds run out.

Stage select

Season 1 so far · two brackets · four rounds

All rounds

Round winsDuels Devs 2 – 1Still standing Devs 9 · Vibe Coders 8

  1. A tool for splitting bills with friends

    Null Pointers win A62%
    Vibe Check win B55%

    K.O.Tom Reyes · Null Pointers
    K.O.Omar Haddad · Vibe Check

  2. A one-page planner for a dinner party

    Prompt Pilots win A53%
    Off By One win B59%

    K.O.Jules Martin · Prompt Pilots
    Bracket B duel: Chloe vs Kira, live

  3. A tracker for borrowed books and tools

    Shelfie vs LendLoop · A??
    Who Has It vs Boomerang · B??

    14 judges in so far · votes sealed until Sun 25 Oct

  4. Brief drops Mon 26 Oct, 09:00 UTC

    Bracket A · B--

    Losers of R03 start with a handicap

Character select

The teams · public profiles, so you can check who's really a dev

All teams

Devs They write the code

Null Pointers Bracket A

Off By One Bracket B

CD

Chloe Dubois

@chloe · Off By One

DevsGitHub verifiedIn the live duel

Indie hacker with four side projects and one finished.

Hover or tab through the grid

Vibe Coders AI writes the code

Prompt Pilots Bracket A

Vibe Check Bracket B

Hi-scores

Top judges · 59 judges on the board this season

Full leaderboard

10 judges share first place on 50 points

Top judges this season
RankNameScoreFull name
1stPEA50Pearl Walsh
1stJAM50Jamal Ratke
1stARY50Aryanna Sauer
1stNIK50Nikolas Hackett
1stRIC50Richmond DuBuque

+5 more on 50 · 4 on 40 · 23 on 35

Judge Round 3

Takes two minutes. Votes earn judge points.

From the crowdFeedback judges left on past rounds

“Loaded fast on my phone and I got it straight away.”A judge · Round 1
“The other one looked nicer but this one worked.”A judge · Round 2
“Clear buttons and plain words. My mum could use it.”A judge · Round 2

Jackpot

The prize pool · the winning team takes it all

Prize pool page
$365
Add to the pot

Select your fighter

Apply to play next season, or judge this one. It's free either way.

Devs · Null PointersNo. 001
AO

Ada Okafor

@ada · captain · GitHub verified

PHP
5 of 5
Go
4 of 5
CSS
1 of 5

Special · Ten years of PHP

Your fighter card · made when you sign up · share it on X
Start as a Dev
Next roundBrief drops Mon 26 Oct, 09:00 UTC · new challengers welcome
1PStart · DevsApply for Season 2 2PStart · Vibe CodersApply for Season 2 ABe the crowdJudge the apps $5Insert coinAdd to the pot

12 pick an app up top←→ wiggle the stickOld cheat codes still work