“Can an indie AI-generated workout-plan app scale into a differentiated consumer fitness product?”
FitPlanAI is a small AI-personalized fitness/training-plan app operated by Mateusz Janiszewski (sole proprietor) based in Poland. The public evidence shows it as a consumer app with a GDPR privacy policy — no embedded finance stack was found. Note: the target domain fitplanai.com.br returned no evidence; the closest match in evidence is fitplanai.app operated by a Polish sole proprietor. These may or may not be the same entity.