Giftbit Payment API - Stripe for gift cards

Fitbod - Personalized Strength-Training powered by Machine Learning

Felt for iPhone - Handwritten cards for the modern world

JEFIT - Jefit is the #1 popular gym workout app for Android and iOS. Jefit allows you to manage your training routine and keep track of your workout progress easily.

Raise - The easiest way to save money on the go

Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.