ReplAI is an AI-powered browser extension that helps users create texts quickly with the GPT-3 model. Available on MacOS, Chrome, Edge, Opera, Brave, & other chromium-based browsers, it can auto-write replies on Gmail & WhatsApp Web. "Ask Everything" & the cost-effective "666 token" free trial are available. No mobile app, but a web playground is in the works. Pronounced as "Ripple AI" or "Reply".