This is an older app but it still reaches the top of the list for android users.  I wanted to bring this app up because this site continues to grow and we continue to make more and more recommendations and bring new software to your handheld device.  I know that everyone is on a budget and needs a way to get to try these new apps.  Google has created a service for us all that pays you for your opinion.

This is the simplest way to get the software you want on the device that you need!  Google Opinion rewards will give you random small surveys and pay you for them.  I have made as much as a dollar for a small 5 question survey.  Not all the surveys make money, as some are designed to get you more surveys.  The others will give you money to use at the Google Play store.  That credit can be used on anything that you buy through your Google account.  This can be your everyday $0.99 app or it can be used towards a subscription service like SafeTrek.

Download Google Opinion Rewards

Do you know of any other services that help save money on apps without downloading from unknown sources?