The engineer
Does it work, and can people use it?
Pick something that would make Ramadan easier for people you know, and build it into a working app from 7 to 11 December 2026, online alongside Muslim builders around the world.
It’s free, and you don’t need to know how to code. How it works
Local communities
Back the buildersFour ways to
Four ways to
support BuildGood.
Money for prizes, a perk for every builder, a room for a local hub, or your audience. Pledge what you have and we’ll agree the details with you.
- Fiscal partnerYour money goes to prizes for the winning teams.Fund a prize
Cash for the prize pool.
- Perk partnerYour offer goes in the perks pack every accepted builder gets, win or lose.Offer a perk
An offer for every accepted builder.
- Space partnerYour space goes on the hubs map on this site.Offer a space
A room where local builders meet.
- Media partnerYou're listed as a media partner on this site and in the launch announcement.Spread the word
Your audience, to help builders find us.
Media partners
The challengePick one need.
Pick one need.
Five days to build.
It could be a better way to plan suhoor, a way for a newcomer to find an iftar, or an easier way to help a neighbor.
Start with something you’ve seen people struggle with during Ramadan and build an app that helps. You can do it alone, and you don’t need years of coding experience.
7–11 Dec 2026Free to joinOnline + local hubs
How your idea becomes an appThe full program
- Start here
Apply with an idea.
Tell us who you want to help and what you’d build. Come solo or with teammates.
- Before the week
Get accepted.
A person reads your application. If you’re accepted, you get perks for the week and after it, exclusive presentations during build week, and a shot at the prizes.
- December 7–10
Build it.
Start from a blank project with the AI tools you like. Make one working flow, test it, and improve it.
- December 10–11
Demo your work.
Submit your app and a short video on the 10th. Finalists showcase on the 11th.
Accepted builders get perks. Winning teams get prizes.
See perks & prizesBuildGood Perks / From the ummah, for the ummahA little help.
A little help.
A lot to build.
Tools, credits and discounts shared by our community. See what each offer includes, what it’s worth, and whether it fits your idea.
Open to browse. Redemption unlocks for accepted builders when claiming opens. Each provider’s terms apply.Have something useful to share? Put your tool or offer in the hands of Muslim builders.
Offer a perkHybrid judging
Four ways to look
at a project.
AI helps screen projects in the first round, looking at each app four ways: as an engineer, a maker, a thinker and a community builder would. People judge the finals.
AI helps with the first round. People judge the finals.The maker
Is it clear, thoughtful, and well made?
The thinker
Will it make a useful, lasting difference?
The community builder
Who does it help, and who might it leave out?
Online and in person
Build online or nearby.
Most builders will join from home, and some will meet at one of the local hubs below. It’s the same event either way.
Four local communities in talks to host.
Online
Apply to buildFrom wherever you are.
Join online from anywhere. Kickoff and the showcase are live online, and you build on your own schedule in between. A local hub is optional.
Four local communities are in talks to host.
Offer a space