CPU Speed Test is a free Android app developed by Spencer Studios in the Utilities & Tools category. It is a minimal micro benchmark app that allows you to test your device's CPU speed performance. With this app, you can select from 100 million, 500 million, and 1 billion operations for your device's CPU to perform and get results in nanoseconds and milliseconds.

The app has a nice, simple, and clean user interface, making it extremely easy to use. Whether you are a tech-savvy person or not, you can easily check your device's CPU speed with this app. The app is free and does not require any special permissions. If you want to test your device's CPU speed, CPU Speed Test is a great app to download.