Rseven is an application that is capable of doing backups to a variety of needs in the mobile phone such as call history, SMS, MMS, images, audio, and video. In addition, the R-Seven is able to make contact to Phonebook. This contact can be arranged online, changes and deletes made in the website, and can be updated to the phone. R-Seven is a backup service for mobile phone, or better known by the term life-caching tool. Rseven able to save all data in the mobile phone into a website. RSeven mobile client on the phone collect data from phone and upload to the website RSeven.com. RSeven mobile client also synchronize your contacts and be able to call back a picture, video and audio to the phone if the item is selected by the user in their website. RSeven mobile client connection using the available data on mobile devices such as GPRS, EDGE, or wireless LAN connection. This application is able to select all the items to be saved by default. But the user can unselect the item if it does not want to upload. One of the advantages is the ability to use RSeven supports multiple phone users. This means if the user create a new contact on a mobile phone and uploaded to a website, they also appear in the phone after the handset is to synchronize with the website. Through this application users can share items with the same group member behavior. Items in the share will appear in the timeline and contact list member. Free version of RSeven have a limitation for the storage of 50 MB that can be done monthly reset again. Each file has a limited maximum capacity of 10 MB. The user can call back the picture, audio, and video to mobile phone by choosing items that are stored in the website. The file will be downloaded automatically to the phone while in storage next.