Twinkle Timer turns toothbrushing battles into excitement. Parents of kids aged 3-10 know the struggle: getting them to brush for the full 2 minutes every night. Twinkle Timer solves this with AI-powered rewards. Here's how it works: your child takes a selfie, brushes for 2 minutes while a countdown timer runs, and at the end receives a magical AI-generated image where they're transformed into a superhero, princess, astronaut, sports star, or other fun characters. The anticipation of seeing their transformation keeps them engaged. Features include multiple topic categories (princesses, animals, superheroes, jobs), family sharing via iCloud, and complete privacy (no personal data collected). Built by a dad of 3 who was tired of nightly brushing fights. Available on iOS.