Most flashcard apps lock your data away. SpreadsheetMemo treats Google Sheets as the content source, giving you full ownership and familiar bulk-editing tools. Standout features: · Formulas: Use RAND or CONCATENATE to create dynamic questions that change every time-perfect for math. · Rich Media: Supports TeX/AsciiMath, YouTube embeds, and images. · Advanced TTS: Mix 30+ languages on a single card. · No Lock-in: Your study material stays safe in your Drive.