To redeem GeoPoll Credit to airtime credit, you will need to be a pre-paid subscriber and will need to have earned sufficient credit in your GeoPoll account
To redeem your credit:
1) Go to the app Menu (hamburger menu); this is available at the top-left
2) Select 'My Earnings'
3) Click on 'Redeem'
4) Select the amount you wish to redeem
(Please note: If you have not earned sufficient GeoPoll Credit in your GeoPoll account, you will not be able to see 'Redeem')