Yes, there are free GPT-based applications you can use! One popular free app is 'ChatGPT' by OpenAI. You can download it from the Google Play Store. It’s great for getting quick answers, personal tips, and creative ideas.Another awesome free AI application is 'AiChatSy.' It’s also has a free plan and gives you a fun way to try out AI technology without spending any money. Both of these apps let you explore what AI can do at no cost.