HEAP UP is a free Android app developed by Opinion Box that allows you to participate in online surveys and earn rewards instantly. The app offers various types of prizes such as mobile bonuses, Livelo Points, Dotz, and coupons for raffles. What sets it apart from other survey apps is that you can choose and redeem your prize right after completing a survey.

The surveys on HEAP UP are quick and fun to answer. By giving your opinion, you help companies and governments improve their products and services. The app promises not to share your personal information with third parties, and the research findings are shared without any personal information from the respondents.

To get started, you need to download the app and create a free account. If you already have an account, simply log in and start participating in new surveys. With each survey you complete, you earn rewards that you can choose and redeem instantly.

HEAP UP is a great way to earn rewards while giving your opinion. The app is user-friendly, and the surveys are interesting and engaging.