Flipd: focus & study timer contains in-app purchases. Please check the pricing plan as below: Premium with 7-Day Trial-$49.99 Flipd Premium-$8.00 Flipd Premium-$5.99 Flipd Premium Regular Annual-$42.99 Flipd Premium Annual Offer-$5.99 Flipd Premium Regular Annual-$65.00 Flipd Premium Intro Offer-$5.99 Flipd Premium 6 Month-$26.99 Flipd Premium Lifetime-$99.99 The Success Bundle-$12.49