CryptoTab is a mining pool. Its one of those apps that you can sign up for a leave running in the background. It can be that simple but you also have the option to customise depending on your PC and your knowledge. I have just installed it to the default settings and it lets me see how much bitcoin I am earning. As we know none of these apps will make us rich but we can keep earning bit by bit by bit.

Honeybee uses your space internet bandwidth. You will receive $5 as soon as you sign up but you cant withdraw anything until you've earnt $20. The software runs in the background, so you dont have to do anything but have a little patience.

The best of the survey apps that I use. You dont have to reach an amount to cashout. Complete a survey worth 20pence and 20pence will go into your paypal account. You will never become rich but it will pay for you coffee and earn some money completing a a survey about it! I will always follow a follower and use at least one of your referal link. :)