Your country: US
Reward types: Cash and gift vouchers
Incentives per survey: 0.50 up to 5 US$
Cash out: from 50 US$
Number of invites: about 10 surveys in a month
Age to join: from 14 years
Prize draws: New membership prize draw for 1,000 US$

Your country: US
Reward types: Gift vouchers
Incentives per survey: $2 to $5 (and up to 50 US$ for specialist surveys)
Cash out: from $20
Number of invites: about 12 surveys in a month
Age to join: from 16 years
Prize draws: New member prize draw for electronics (e.g. iPod touch)

Your country: US
Reward types: Cash
Incentives per survey: 1 to 3 US$
Cash out: from 5 US$
Number of invites: about 8 in a month
Age to join: from 15 years
Prize draws: Monthly high technical devices (e.g. iPhone, iPod or Apple TV) with a total retail value of 500 US$
Comments: Payments checks are mailed weekly

Your country: US
Reward types: gift cards and cash via prepaid card from VISA
Per survey: 1 to 3 US$
Cash out: from 25 US$ (2,500 points)
Number of invites: about 10 surveys in a month
Age to join: from 13 years
Comments: Prepaid card from VISA are sent by post, but you can also request a virtual gift card

Your country: US
Reward types: money, gift cards and items
Cash out: Amazon gift card for a value of $5
No. of invites: continuously throughout installed software
Age to join: from 18 years with all devices
Comments: Amazon gift card of $5 if kept as an active member for only a week, additional credits every week, which can be redeemed for more gift cards from Amazon, your participation (for at least 90 days) will also be recognized with donating a tree.

Your country: US, Canada, UK, Australia, Singapore, Hong Kong, Ireland, New Zealand, South Africa, India and 35 more countries
Reward types: Cash
Incentives per survey: 0.50 to 4 US$
Cash out: from 10 US$
Number of invites: about 30 surveys in a month
Age to join: from 16 years
Comments: Access to our own survey online panel to participate daily in paid surveys, as well as a huge range of other earning opportunities: tasks, micro jobs, apps, discover offers and more