Flashcards by SwiftStudy is a versatile educational app designed for iPhone users, enabling effective memorization and knowledge testing. Users can create double-sided flashcards filled with various content such as words, visuals, definitions, and formulas, making it suitable for a range of subjects from languages to science. The app allows for the organization of flashcards into stacks by topic and offers customization options to enhance user engagement.

The app features a unique four-level progression system that tracks mastery from 'New' to 'Mastered', helping users to systematically improve their knowledge retention. Accessible on any device, SwiftStudy promotes continuous learning with a streak tracker to maintain motivation. With an environmentally friendly approach, this flashcard app provides an efficient and engaging way to study without the need for paper or ink.