There are many AI apps that can be useful for enhancing productivity. Some of the most notable include virtual assistants like Cortana and Alexa, which can help with scheduling, reminders, and other tasks. Otter.ai is an app that uses AI to transcribe audio recordings, making it easier to take notes and review meetings or interviews. Murf is an AI voice generator that can be used to create high-quality voiceovers for presentations or videos. Lensa AI is an AI-powered photo editor that can create vivid avatars and enhance images. Other useful AI apps include Robin AI, which provides in-car navigation and entertainment, and WOMBO Dream, an AI art generator. Overall, these AI apps can help streamline tasks and improve efficiency, making them valuable tools for enhancing productivity.