MarkSheet: answer sheet app for iPhone and iPad

An answer sheet application for mark sheets (bubble sheet).
You can freely set the number of questions and choices.
Easy scoring and multiple answers are supported.

Functions/Features
- Answer Sheet for marksheet(bubble sheet) type
- Number of questions and choices can be freely set.
- Choices include uppercase letters (A-Z), lowercase letters (a-z), numbers (+,-,±,0-9)
- Multiple answers supported
- Fill the mark by tapping the choice
- Line highlighting (long press or checkbox)
- Press the Start scoring button, tap the option and enter the answer
- Press the End scoring button to display the number of correct answers and the correct answer rate
- Press the menu on the bottom right or the button displaying the percentage of correct answers to restart/reset mark input/scoring
- Manage answer sheets with labeling, search, and sorting functions
- Long press to select multiple sheets, delete/label selected sheets
- Duplicate sheet
- Customization (dark mode, theme colors, mark size)
- Simple design based on Material Design