WIZAPET is the best and simplest app for finding lost pets. It's an application for people who want to alert all the users in their area about a lost or found animal. If you want to alert all the people in your area that you have a pet, then you can download this app for free and set the alert as "your pet is missing". 

You can choose the type of alert you want, for example: the app will notify you if your pet is lost or if it was found. It's really easy to use the app. First, you need to download it and install it on your Android device.