Strøm is an iPhone app developed by Casper Christensen that provides users with a detailed overview of their energy consumption. With this app, users can easily monitor their electricity usage, track real-time electricity prices, and stay informed about the overall CO2 emissions from electricity production in Denmark. Additionally, users can explore the different energy sources used for electricity generation.

The app offers several key features:

1. Pricing: Users can easily identify the cheapest electricity rates by viewing hourly price fluctuations. They can also delve deeper into the various energy sources and understand how electricity is produced.

2. Consumption: By adding their measurement points, users can track their electricity consumption on an hourly, weekly, and monthly basis. The app also provides insights into how taxes and tariffs impact electricity prices.

3. Settings: Users can customize the app based on their geographical location to access spot prices, CO2 emissions, and energy sources specific to their area. Furthermore, they can add a widget to their home screen for quick access to their consumption data.

Strøm is a free app available in the Utilities & Tools category. It offers a user-friendly interface and provides valuable information to help users gain better insight into their energy consumption.