Are you using an android phone? If so it is really hard to update all your apps when new versions are available. 
Because all the apps are getting new versions everyday.

Now you can let the apps automatically update itself by following these steps.
First you need to go to google all store. Then you need to click on the menu bar.

There you need to go to settings. There you need to select Automatic app update.
Best option is you can turn on over wifi only. Then it will automatically update all the apps when you turn on wifi.

Are you using an android phone? If so you may have lot of apps installed. Do you know all most all apps get updates at least once a month. So there will be new app versions with new features though it is the same app. For example if you take facebook it get updates in every month. There will be new features in this new version.  Now you can identify what are the new updates available by following these steps.

First you need to go to google app store in your android mobile. Then you need to select menu bar. After that you need to select my apps and games. There you will see all your apps available. There you need to select apps one by one or you can just select update all. Then you will get new updates to your phone. Here make sure to use WiFi rather than using mobile data. Otherwise it will waste money. Also by updating apps you can enhance the processing power of your phone.