Create kaleidoscope patterns by swiping fingers across the screen. Adjust the number of lines and line color. Use multi-touch for advanced control. Save generated artwork to the device's Camera Roll.
Write and execute Ruby scripts with auto-indent, syntax highlighting, and code templates. Run selected text in the built-in browser or text editor. Support file operations for text, PDF, CHM, and MP3. Execute code via keyboard and use gets function.
Without touching the screen using the proximity sensor. Tap to increment, swipe left or right to decrement, and hold to reset. Multi-touch allows counting multiple times with separate fingers. Shake to generate a random number.
Write handwritten notes and sketches with customizable colors and stroke sizes. Add text to notes. Share notes to social media apps. Save notes to Photos with a single tap. Print, save, or export notes. No ads.
View schedules as timelines with fluid navigation and contextual views. Edit calendars intuitively with enhanced tools. Suggest and vote on new features. Customize themes and fonts for personalized appearance.
Track numbers, routines, and habits with multiple . Manage separate for tasks like counting days without smoking or tracking TV episodes. View counter history and hide titles for discreet use.
Convert numbers between hexadecimal, decimal, octal, and binary formats. Calculate two's complement and flip byte endianness. Perform bit-shift operations and view bit indicators with word grouping. Tap to copy, paste, or clear numbers.
Create and edit vector drawings and illustrations. Import and export files from cloud services. Design logos, posters, and technical drawings. Use multiple windows on iPadOS. Enable dark mode for system settings.
Plan and track tasks with daily and weekly planners. Set reminders and repeatable tasks. Monitor and manage grocery or study lists. Customize font, color, and size. Use Pomodoro timer and sync with Apple Calendar.