Simple Tools is a very fast, efficient, and handy app designed to enhance the built-in features of your iPhone by adding four (4) simple but useful utilities namely calculator, flashlight, QR code reader, and paint. Need to do simple calculations? Fire up Simple Tools and open the calculator feature. Need to find something in the dark? Turn on the Simple Tools flashlight. Need to browse a website that can be accessed only via QR code? Scan it using Simple Tools’ built-in QR reader. Need to do some quick sketches? Use the Simple Tools paint feature. Spice up your iPhone experience by using Simple Tools, the 4 in 1 productivity enhancer!