Strings Tuner is a free Android application developed by Smart Kiwi that allows you to tune any musical instrument, including Oud, violin, viola, violoncello, bass, guitar, piano, wind instruments, and even your own voice/singing. The app features both manual and auto tuning modes, and it comes with great visual effects that make tuning even more enjoyable.

Strings Tuner is an excellent tool for musicians of all levels, and it is especially useful for those who are looking for a free guitar tuner. With its intuitive interface and accurate tuning capabilities, this app is a must-have for anyone who wants to keep their instruments in tune. Whether you're a beginner or a professional, Strings Tuner is an app that you don't want to miss.