The Siddur Annotated Edition is a mobile application designed for iPhone users, providing access to the complete Tehillat Hashem Annotated Siddur with English translation. This app features a user-friendly interface that allows for easy navigation through all prayers and blessings. With its smart prayer functionalities, users can quickly find the specific prayers they need, enhancing their prayer experience. Additionally, the app includes a hyperlinked table of contents for quick access to different sections and a Tefillin mirror to assist users in their daily prayers.

One of the standout features of this application is the 'Zmanim' calculator, which provides accurate Halachic times based on the user's location. This ensures that users can observe prayer times correctly. The app also includes a Mizrach Compass, making it easier to face the right direction during prayer. Overall, the Siddur Annotated Edition combines convenience and functionality, making it an essential tool for anyone looking to enrich their spiritual practice on the go.