My niece and nephew were never taught to read or write cursive and as such my sister reads to them letters my mom wrote them for the holidays. She also read old

My niece and nephew were never taught to read or write cursive and as such my sister reads to them letters my mom wrote them for the holidays. She also read old letters from her own grandmother and grandfather. So its effectively relegated to the dust bin of history for many people. Are there apps you can use on your phone to photograph and translate it back?