Toybird Labs

AI Study Sheet is a self-study app for iPhone and iPad that turns learners' own textbook photos, notes, screenshots and PDFs into active-recall practice. On-device text recognition and term selection suggest words to hide. Learners can edit masks and reveal answers in the original page context, with surrounding diagrams retained. Saved review results support repeated practice. Study materials are processed locally, and no app account is required. Designed for secondary-school and university students and independent exam preparation. Free to start with 3 saved pages, expanding to 10 after the first study session; optional US$4.99 one-time Unlimited Saves, with no subscription. Requires iOS/iPadOS 16 or later. No product-specific learning-outcome improvement or standards certification is claimed.