Interestingly, they are often developed in Germany. One I found is Fitness Point. They use Google analytics and ads, so privacy is relative. However, unlike for

Interestingly, they are often developed in Germany. One I found is Fitness Point. They use Google analytics and ads, so privacy is relative. However, unlike for example apps like MyFitnessPal and apps by brands like Nike, they don't use your fitness data (like weight) for direct advertising. The major apps all have the ability to market weight loss products when you gain weight, for example, which is the thing I personally resent the most.