The app displays the current input source on the screen. It allows users to check their input source without looking away from the center of the screen.
by YI GU★ 0.00 ratingsUtilities$0.99Data updated 2026-09-24
Calculate in binary, hex, and decimal simultaneously
Convert numbers between binary, hexadecimal, and decimal bases. Display all three bases simultaneously. Switch input modes and see results in all bases. Perform arithmetic, logic, and bitwise operations. Support unsigned and 2’s complement numbers.
The app analyzes sound systems using dual-FFT. It can monitor and adjust system equalization during musical performances with music as the signal source.
Calculate with a customizable Japanese cute wallpaper. View calculation steps and instantly detect errors. Save results and access a simple, intuitive interface for everyday use.
Edit text with a customizable extended keyboard featuring compact buttons for symbol input. Import and use custom fonts, including ligatures if supported by the font. Manage font settings and adjust display options for monospace fonts.
Calculate molecular weights with a dedicated organic chemistry calculator. Long-press elements for details. Input elements, numbers, and parentheses for real-time results. Access a full-sized periodic table with combined periods 1, 2, and 3.
Measure device responsiveness by recording video of button presses and screen responses. Mark input and output times with frame-accurate scrubbing. Display the latency difference in milliseconds.
Automatically switches layouts based on application context. Assign custom shortcuts for layout changes. Supports multiple input sources and allows quick access to frequently used layouts.
Note-taking allows users to write notes with handwriting or keyboard input. Customize pen color and size. Undo mistakes with a single tap. Count characters in notes. Edit, add, or delete memos as needed.
A with iOS16 live activities and dynamic island support. Displays magnified with reading aloud. Offers lock screen and home screen widgets. Allows background color and font customization. Includes flip screen gestures and handwriting on a whiteboard.
Manage and calculate data with notes and a calculator. Input numbers and data items to automatically compute totals. Supports Dynamic Type and is compatible with hardware keyboards.