Dolphin Memorize

Dolphin Memorize (i-Memorize Sheet) is a rote-learning tool that hides specific words or years you want to memorize using a filter. It uses image analysis to mask items in reference books and can convert pages to PDF for easy, on-device study, making rote learning possible anywhere.

The Pro version offers paid licenses with auto-renewal and flexible cancellation, with renewal details and account management available in the app.