All the subscription plans from Basic, Premium to Business Plan are the best according to your needs. In the Free plan there is a limited number of image processing that also includes watermarks. But if you are a designer and starting initially with Resleeve's tool, the Premium plan for a year will be the best to use with various benefits including an unlimited number of image processing and a big discount of 35% on it. For more details please visit our pricing page: https://resleeve.ai/pricing/