iPhone Apps to Natural Language Processing

Calcbot is a sophisticated calculator and unit converter application designed for iOS, macOS, and watchOS. It combines powerful mathematical functions with a user-friendly interface, featuring an editable history tape, natural language input, and comprehensive unit and currency conversion capabilities.

Voximplant is a robust cloud communication platform offering APIs and SDKs to integrate voice, video, and messaging capabilities into web and mobile applications. It empowers developers to build custom communication experiences.

Cortana is a digital assistant developed by Microsoft, integrated into Windows 10 and other Microsoft products. It provides users with voice-activated assistance, information retrieval, task automation, and personalized reminders, aiming to streamline daily computing tasks through natural language interaction.

Siri is a powerful virtual assistant developed by Apple, deeply integrated across its ecosystem. It allows users to interact with their devices using voice commands to perform a wide range of tasks, from sending messages and setting reminders to searching the web and controlling smart home devices.

Google Now was a proactive smart assistant designed to provide users with timely information based on their routines and searches. It anticipated needs and presented relevant 'cards' without direct user queries, leveraging Google's vast data ecosystem.

Fantastical is a powerful and intuitive calendar and task management application designed for macOS, iOS, and watchOS. Known for its natural language processing engine and elegant interface, it simplifies scheduling and staying organized across all your Apple devices.

Remember The Milk (RTM) is a robust, web-based task and time management application designed to help individuals and teams organize their tasks efficiently. With powerful features like natural language processing, recurring tasks, smart lists, and extensive integrations, RTM simplifies managing your to-do list across multiple devices and platforms.

Wolfram Alpha is a computational knowledge engine that directly computes answers and provides curated data across a vast range of subjects, rather than merely linking to documents. It serves as a powerful tool for calculation, data analysis, and knowledge exploration using natural language input.