Verb Bro is an Android app developed by Ventarron Crafts that helps users learn English irregular verbs. The app is designed to make it easy to learn and remember the three forms of the English verbs. It features more than 100 of the most popular irregular verbs, with a table of the three verb forms that includes translations and transcriptions.

The app also includes audio for all verb forms, which is spoken by a human voice, and an interactive practice feature to help users remember the rules of word formation. The app uses gamification to support motivation, and it provides personalized tasks for each day. The best part is that it works offline, so you don't need an internet connection to use it. The app is free, with no ads or in-app purchases.

Verb Bro is also suitable for children and students and can be used to learn English irregular verbs taught in school. It covers various grades, including 4th grade for English tenses and word formation, 5th grade for grammar of English tenses, 6th grade for gerunds and infinitives, 7th grade for expanding vocabulary, and 8th grade for practice and memorization of the three verb forms.

In summary, Verb Bro is an excellent app for learning English irregular verbs, and it is entirely free to use.