發票特務 is a lifestyle app developed by lifi Technology available for Android users. It is a platform that rewards users for completing tasks using invoices. By completing brand missions, specific invoice missions, and exclusive promotions, users can earn brand coupons and special mission coins which can be used to redeem shopping credits and physical items. The app also offers a coffee invoice mission where users can have a chance to get a free cup of coffee.

發票特務 offers a unique feature where it opens an additional winning number for a special agent prize every month, providing users with more opportunities to win. Users can also participate in current events and answer questions to earn more special mission coins. Additionally, users can take part in various courses to learn how to make coffee, drinks, and snacks. Finally, the app provides users with the latest news on discounts and promotions, ensuring they don't miss a single opportunity.

Join the 發票特務 community now and complete tasks to earn rewards!