12-week marathon UI Kit is a high-layer template for mobile applications made in sketch. Each screen is highly customizable and is carefully assembled in Sketch 3. You can easily create your own application design or a beautiful prototype. Forget half pixel! All ink components are extremely clean and neat.
Try before use! Download 7 free screens in both .sketch formats:
[FREE] 12 Week Sketch Marathon UI Kit
If you still do not have your app design, the 12 week marathon UI Kit will help you.