The app is currently available on iOS. An Android version is coming soon.

Merriam-Webster Launches Vocabulary-Building App Puku for Kids

Merriam-Webster, America’s most-trusted dictionary has made vocabulary building a whole lot more fun with a new app called Puku. Designed for children aged 8-12, The Neopet-style app is based around a virtual pet that evolves as learners expand their vocabulary. The app delivers adaptive, personalized vocabulary training. The app has numerous features aimed at increasing engagement, like accomplishment milestones, feedback on performance, and rewards.