Join the Actions on Google Developer Challenge

Turn your inspiration into action by building apps for the Google Assistant on Google Home, select Android devices, and the iPhone. Enter to win more than 20 prizes including a trip to Google I/O 2018. Your app must be approved by August 31st to be eligible, so start building!

Categories and prizes

Best new apps for the Google Assistant

The app that scores the highest in creativity, relevance, quality and usage.


As the first place winner, your prize includes a trip to Google’s Headquarters in Mountain View, CA and tickets to Google I/O 2018. You’ll get to explore our campus, enjoy our delicious food and meet the Google Assistant team. You‘ll also win $10,000 along with serious bragging rights. Second place gets $7,500 and a Google Home. Third place gets $5,000 and a Google Home.

Other prize categories

More ways to win

The best app by a student or student team. There will be 5 winners selected in this category.

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping. You’ll also receive your very own Google Home.

The app with the most interesting yet unexpected functionality

Win $1,500 in cash to spend however you want, like on new toys, or a nice gift for Mom who always believed your ideas were the best.

The app that makes the judges lose track of time

Win $2,500 in cash and also take home some schwag, because who doesn’t love schwag?

The app that enhances the experience with the most interesting usage of different sounds

Win $1,500 in cash to spend however you want, like on new toys, or a nice gift for Mom who always believed your ideas were the best.

The app that has the most engaging personality. There will be 3 winners selected in this category.

Win $2,500 in cash and also take home some schwag, because who doesn’t love schwag?

The app with the highest rating in the directory on September 30th. To be eligible for this award, your app needs to be above the median in terms of ratings received.

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping. You’ll also receive your very own Google Home.

The app that helps you the most when your hands are tied up

Win $2,500 in cash and also take home some schwag, because who doesn’t love schwag?

The best app designed to help parents

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping. You’ll also receive your very own Google Home.

The app that best adapts to user behavior, making each return experience more personalized

Win $2,500 in cash and also take home some schwag, because who doesn’t love schwag?

The app that most helps you increase your productivity

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping. You’ll also receive your very own Google Home.

The best app developed using API.AI

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping.

The best app developed using Converse.ai

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping.

The best app using DashBot analytics

You’ll win $5,000 in cash that you can spend on a trip, or on some early holiday shopping.

Challenge guide

Check out our FAQ and Terms for more information.

Start building now!