In 4. Fees and Costs: In return for giving users access to their platform or opportunities, certain money-making apps may charge fees or withhold a portion oraja rani winf user profits. Users should think about whether an app's costs fit with their income objectives and be aware of any associated costs before using it. 5. . Market Saturation: As more people look to make money with apps, some opportunities may get oversaturated, which will make it harder to make a sizable living.