Which aspect of Power BI allows real-time data analysis?

The Power BI Service is designed to facilitate real-time data analysis and reporting, making it possible for users to access up-to-date data insights. This is primarily because the service can connect to live data sources, enabling reports and dashboards to refresh automatically as new data becomes available.

In contrast, Power BI Desktop is primarily a development tool for creating reports and dashboards, but it does not support real-time refreshing in the same way as the service. The Power BI Mobile application focuses on providing access to reports and dashboards on mobile devices but relies on what has been published to the Power BI Service rather than managing real-time data connections itself. The Power BI Query Editor is fundamentally used for data preparation and transformation, rather than live data interaction and visualization.

Overall, the Power BI Service offers the infrastructure and capabilities necessary for real-time analysis, allowing users to make informed decisions based on the most current data available.