SIMon mobile-App is a utility and tool application available on the iPhone platform, developed by Vodafone GmbH. It is a free app that offers users flexible and affordable mobile plans without a fixed contract. The app allows users to access a range of benefits, such as 10GB of data from just €8.99 per month, with the option to add more data if needed and a monthly cancellation policy.

With SIMon, users can enjoy top-quality D-netz network coverage, along with an all-in-one package featuring an all-net flat for calls and SMS, EU roaming, and the flexibility to pause their plan for up to three months. The app is easy to use, and users can manage their SIMon mobile account and keep track of their data usage, costs, and remaining data allowance through the app's customer portal.

In addition, the app offers a range of other useful features, including the ability to order a new SIM card, port an existing mobile number, manage personal details, and even pause or cancel their plan. For users looking for an affordable and flexible mobile plan, SIMon mobile-App is the perfect solution.