Whether it is office meeting, chilling at home or leaving for adventurous trip, smartphones or mobile apps are all time companions and most reliable option in any case. Today smartphones have indulged in our life in a way that we can&#39;t even picturized our day to day task without its assistance. From health to finance, smartphones are everywhere to help us and assist with better and smarter features.There are countless numbers of mobile apps available in the store and selecting suitable as well as smart apps from this ocean of application is not an easy task. So, get ready to free some space on your phone for most demanding mobile apps that will transform your smartphone, even more, smarter device.5 mobile apps that you should have on your phone1. Avira AntivirusSharing the mobile space with antivirus is always been a point of discussion from a long time, however, you need a antivirus if your mobile regularly interacts with the internet and other devices. Avira antivirus is quickly growing mobile app and allows basic security stuff with some great features including device scanning, real-time protection, external sd card scanning and also have stage fright advisor to assist you. Avira also has anti-theft, privacy and blacklisting features that ensure a sturdy protection against any threat.2. Google Drive This app is must have application considering today&#39;s working environment, as smartphones play a crucial role in working space also so all the documents need to be available all time with you. Google Drive helps you to store any document or data by just dropping in your drive and you can go through anywhere and anytime to that document. It also assures the safety and works as a backup for important docs in case of any damage to the smartphone.3. XDA This app is for particularly for mobile app developers, it is a platform that allows developers around the world to gather and communicate at one place. You can post any query or doubt over here regarding app developing and will get a reply with required information instantly from the experts. This app helps the developers to get up to date with the leading technology and trends in the mobile app industry.4. CamScannerThis app is very reliable and will come in handy in very needy situations, it serves the feature of scanning any document using your smartphone. CamScanner uses the phone camera, scans any piece of documents, picture with the help of your mobile camera. You can also sync, store and collaborate the documents across many devices. CamScanner also allows you share the scanned document in JPG/PDF format over social media.5. Agent This is one of the less known mobile app among the most demanding mobile apps, it has some stupendous features that will take you entirely at the new level of interaction with your smartphone. This app somehow acts like an AI gathers all the info from your calendar and social accounts to manage your day. It automatically set reminders by fetching information from calendars, turn mobile on silent while attending an important meeting and also automatically reads the text when you are behind the wheel.Wrap up These mobile apps will change your mobile phone in many aspects and will enable your smartphone to assist you with the more smarter feature. Along with these apps, there are also some apps like Google Keep, 1password, and Pills reminder you can consider installing to convert your mobile in a device containing everything you need in day to day life.