If you're looking to design a shirt, one of the best apps to use is Prêt-à-Template. This app is specifically designed for fashion design and offers a wide range of templates, design tools, and customization options, making it a versatile and comprehensive tool for designing shirts.
One of the standout features of Prêt-à-Template is the quality of its templates. The app offers over 2000 templates, which are diverse and cover a wide range of fashion design categories, including clothing, accessories, footwear, jewelry, and more.