Vumber is a free Android app developed by A.V.M. Software Inc. It falls under the Social & Communication category and offers a convenient solution for those dealing with bad cell reception or in need of a second phone number. With Vumber, users can make calls via Wi-Fi or 3G and receive calls on the same number. The app runs in the background, ensuring that no calls are missed.

One of the standout features of Vumber is the ability to add multiple numbers to your phone. Simply press the phone icon in the app to choose which number people see when you call them. This feature is especially useful for those with multiple business or personal contacts.

Vumber also provides easy access to voicemail, with users able to dial 123 from the app for instant access. Additionally, the app allows for Wi-Fi and 3G calling, eliminating concerns about poor cell reception and reducing monthly minute usage. Advanced features such as custom call blocking, speed dial, and detailed call activity can be accessed through the online account.

Overall, Vumber offers a reliable and convenient solution for those in need of a second phone number or dealing with poor cell reception. With its user-friendly interface and useful features, it is a valuable tool for both personal and business use.