Nível de bolha is a simple application designed to check if a surface is horizontal or vertical. This app functions as a measurement instrument to determine the variations of inclination in relation to the horizontal or vertical plane. The app is available for Android users and is free to use.

The history of the spirit level dates back to 1661 when French writer and scientist Melchisedech Thevenot developed the spirit level. It consisted of an air bubble inside a container with alcohol, coupled to a stone slit and a lens. Its use only became popular from the early seventeenth century.

Nível de bolha is easy to use, and its straightforward design makes it accessible to all users. The app is a useful tool for anyone seeking to check the level of a surface quickly. It is an excellent addition to anyone's utility and tool collection.