DialogAi is an AI-powered WhatsApp chatbot called ChitChatPal that can respond to text and voice messages. It uses the ChatGPT model to transcribe voice messages and provide quick answers. Users can ask any question, from requesting pizza recipes to financial planning advice, and ChitChatPal will use AI to provide an answer. The chatbot can also summarize long voice messages, research unfamiliar topics, and generate nice replies. It saves communication context for 10 minutes, allowing for follow-up questions. Users can subscribe to a paid plan for unlimited messages or continue using the free plan with occasional advertisements. The service ensures privacy by deleting messages after 10 minutes and not sharing data with third parties. Users can provide feedback by sending a message with the prefix "#feedback" to improve the service.