A free-to-download Wear OS smartwatch app for kids ages 6 to 14. Play a daily science trivia challenge, earn badges, and create your own mini-podcast—no phone required. It’s time to WOW your brain with daily science facts, podcast challenges, and WOWs from Tinkercast, creators of the #1 kids' podcast Wow in the World!

Based on the hit game show Two Whats?! And A Wow!, this standalone Wear OS app turns screen-light time into creative and educational entertainment.

Features That WOW

Daily Science Trivia (100% FREE): Spot the real science fact from two sneaky fakes. New challenge added every day!
Science History & Pop Culture: Discover mind-blowing trivia, build daily streaks, and earn awesome badges.
The Podcast Creator (Try for Free): Step into the shoes of beloved podcast hosts Mindy Thomas and Guy Raz! Record your own mini-podcast on a mini-mic with fun audio tools like voice filters and earn creator badges too.
Real-World Prompts: Get kid-friendly podcast topics inspired by Two Whats?! And A Wow! People Who Wow to interview family, friends, classmates, neighbors — or record your own solo podcast.
Submit Your Show: Save your episodes on the device or have a grown-up send them to Tinkercast for a chance to be featured on a real podcast!

Why Parents Choose This App

Free: Daily science trivia game with streaks and badges.
Try Before You Buy: Unlock unlimited podcast recording and saving with a secure, one-time parent purchase of $4.99.
No Subscriptions: No recurring fees or hidden charges.
100% Safe: Zero ads, no social media tracking, and fully COPPA-compliant.

Designed for Curious Kids

Safe and easy to use on Wear OS
Standalone, watch-only app. No phone companion required!
Screen-light, imagination-powered fun
Encourages listening, creativity, and real-world connections
New science questions and podcast prompts added regularly
Set up the Tinkercast tile on your kid’s Wear OS watch to quickly begin or replay today's game

PRIVACY
Tinkercast is committed to creating a safe and secure environment for families to play and learn across our platforms. This Two Whats?! And A Wow! app will not collect any personally identifiable information without explicit parental permission and does not include any third-party links. We adhere to the Children’s Online Privacy Protection Act (COPPA) and Google Play’s Families Policy. If you would like to learn more about TINKERCAST’S privacy policy, visit https://tinkercast.com/privacy-policy/.

ABOUT TINKERCAST
Founded in 2017, Tinkercast is an audio-first children’s media company with content that has been downloaded more than 300 million times. Its flagship program Wow in the World has expanded into a #1 New York Times-best selling book series, a multi-city live tour, STEM toys, a YouTube channel, and an in-school program, TinkerClass. Other Tinkercast podcasts include Who, When, Wow! which explores history’s mysteries; Once Upon a Beat, which remixes classic fables with hip hop beats for today’s kids; and Flip and Mozi, a musical podcast that features earth’s amazing animals. Visit www.tinkercast.com and follow @wowintheworld..

ADD MORE WOW TO YOUR WORLD!
Visit Tinkercast.com to explore our podcasts, including Wow in the World, the #1 science podcast for kids, and learn how to become a member of the World Organization of Wowzers!

QUESTIONS?
Contact us at hello@tinkercast.com with any questions about this app or our podcasts!