This utility simplifies calculating LED resistors by handling various voltages, decimal values, and multiple LEDs. It offers intuitive input methods for power supply and LED ratings, making complex calculations straightforward.

10+ similar apps compared and reviewed
Whether you want more options like Microwave Time Calculator or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.







This utility simplifies calculating LED resistors by handling various voltages, decimal values, and multiple LEDs. It offers intuitive input methods for power supply and LED ratings, making complex calculations straightforward.

This app offers a versatile calculator for everyday tasks, supporting calculations in binary, octal, decimal, and hexadecimal. It allows for complex expressions with parentheses, editing of inputs, and displays both the expression and answer on separate lines. It also handles time calculations and large numbers up to 16 significant digits.




Transform your device into a smart desk clock with a customizable display. Show time, weather forecasts, calendar events, and personal photos. Features include a digital photo frame mode, whiteboard, and sleep mode for a minimalist display.






This tool helps you estimate video file sizes based on resolution, frame rate, and duration. It supports various units for easy conversion and allows for custom size inputs.



