Reliable and fast DDNS client for Android, light and Simple yet it has a powerful concept. Just subscribe to the Free freedns.afraid.org DDNS service. Install and launch the application and fill out your freedns.afraid.org credentials (username,password, domain name or subdomain) You can save your configuration once your done. When connecting from another IP you can just click a button to get your IP@ and update your server. You are good to go :).
Note: in freedns.afraid.org Username you must fill in your freedns.afraid.org UserID (not the Email, you can find it in your dashboard -> Preferences).
No if you can recommend another free DNS service like freedns.afraid.org, please feel free to add some comment we will try to update as soon as possible, Enjoy.