E-ZPass on the Pennsylvania Turnpike does not currently offer a dedicated mobile app for managing accounts. However, customers can access their E-ZPass accounts online through the official website. The website provides a variety of features that allow users to manage their accounts, including checking balances, viewing transaction history, updating personal information, and setting up automatic replenishment. While a mobile app may offer convenience, the website is designed to provide comprehensive account management functionalities. Users may find that accessing the website from a mobile device can still provide a satisfactory experience, as many websites are optimized for mobile browsing. For information about upcoming features or updates to services, it could be beneficial to keep an eye on the official E-ZPass Pennsylvania website, which should have the latest details on account management options.