ViewCaller is a free Android app developed by Smart Media, categorized under Social & Communication. It is an all-in-one contacts, dialer, and call recorder app that offers powerful phone call features to help you identify the true Dialer ID behind an unknown number and avoid spam calls without wasting time.

This app replaces your stock dialer and brings your dialing experience to the next level. It offers speed dial, T9 Dialer, and smart search options, making it easy to quickly search by name and numbers. Additionally, ViewCaller allows you to view your call history, contacts, and call log with ease.

Overall, ViewCaller is a great app for those looking for an effective caller ID and spam blocker app. Its features make it easy to manage your contacts and identify spam calls, and the app's user interface is simple and easy to navigate.