Voice Changer for Phone and WhatsApp is an Android application developed by HelloDev22. It is a free utility tool that allows users to change their voice during a call. This app is compatible with Android 9.0 and above.

With this app, users can choose from a variety of voice filters to use during a call. The app offers various options to choose from, including helium, robot, cave, and many others. Users can also customize the pitch and speed of their voice to make it sound more natural.

The app is easy to use, and users can switch between different voice filters during a call with just a few taps. It is a fun app to use with friends and family and can also be used for pranks. Overall, Voice Changer for Phone and WhatsApp is a great app for those who want to add some fun to their phone calls.