These surveys are used to improve our product, opt users into a panel for which they may receive surveys in the future, and measure the quality of the respondent panel. While it might not be as vital for an iPhone user, money is credit to PayPal instead, ready for you to spend as you see fit. Billenert Anderson. Each time you complete a survey, your updated balance will be displayed. Shrugging shoulders here Rob Houston. Surveys take around 10 seconds to complete, and usually end up with a few cents being added to your account.