Power BI and Looker Studio (formerly Google Data Studio) are the two most widely used BI tools for small and medium-sized businesses. Both have free versions, both produce professional dashboards, and both are worth using — in different contexts. This comparison cuts through the noise to help you choose the right tool for your situation.
The Short Answer
If you're already using Microsoft products (Excel, SharePoint, Dynamics), use Power BI. If you're already on Google (Analytics, Ads, Sheets), use Looker Studio. If you're starting from scratch with no strong ecosystem preference, Power BI has more advanced capabilities but Looker Studio has a faster learning curve.
Feature Comparison
| Feature | Power BI Desktop (Free) | Looker Studio (Free) |
|---|---|---|
| Operating system | Windows only | Browser (any OS) |
| Data connectors | 100+ native | 600+ (many via partners) |
| Google native connection | Via connector (some paid) | Native — instant |
| Microsoft native connection | Native — instant | Via connector |
| Calculated columns/measures | DAX (powerful, steep curve) | Basic formulas |
| Data modelling | Full — relationships, hierarchies | Limited |
| Online sharing | Requires paid licence (Pro) | Free — share by link |
| Collaboration | Via Power BI Service (paid) | Native, like Google Docs |
| Scheduled refresh | Pro/Premium required | Free |
| Learning curve | Moderate to steep | Gentle |
Where Power BI Wins
Complex Data Modelling
Power BI's data model supports multiple related tables, calculated columns, hierarchies, and role-level security. For businesses with data spread across multiple systems — ERP, CRM, Excel files — Power BI's modelling layer is significantly more capable.
DAX for Advanced Calculations
DAX (Data Analysis Expressions) allows complex time intelligence, ranking, and statistical calculations that simply aren't possible in Looker Studio's formula language. Year-over-year comparisons, moving averages, and cumulative totals are all straightforward in DAX.
Volume and Performance
Power BI's in-memory compression can handle tens of millions of rows efficiently. Looker Studio can struggle with large datasets, especially when using Google Sheets as a data source (which has a 5 million cell limit).
Richer Visualisations
Power BI has more built-in chart types and a marketplace of custom visuals (decomposition trees, chord diagrams, advanced maps). Looker Studio's visual library is more limited.
Where Looker Studio Wins
Zero Cost for Sharing
This is Looker Studio's biggest practical advantage. Sharing a Power BI dashboard requires a Pro licence (around €9/user/month). Looker Studio dashboards are shared via a link, for free, with anyone — no account required to view.
Google Ecosystem Integration
Native, one-click connection to Google Analytics 4, Google Ads, Google Search Console, YouTube Analytics, and BigQuery. For businesses running digital marketing, this integration alone makes Looker Studio the obvious choice.
Cross-Platform and Collaboration
Looker Studio runs in the browser — Mac, Linux, Windows, Chrome OS. Multiple people can edit a dashboard simultaneously, like a Google Doc. Power BI Desktop is Windows-only and has no real-time collaboration.
Faster to Get Started
A first useful dashboard in Looker Studio can be created in under an hour. Power BI's learning curve is longer, especially around data modelling and DAX.
Cost Comparison
Both tools are free for creation. The cost difference appears when sharing:
- Looker Studio: free to create and share, always
- Power BI Desktop: free to create; sharing requires Power BI Pro (€9.40/user/month) or Power BI Premium
- Power BI Embedded: for embedding dashboards in websites, pricing varies by capacity
For teams under 5 people who need to share dashboards, Looker Studio's zero sharing cost is a meaningful advantage.
The Verdict by Use Case
- Digital marketing reporting (GA4, Google Ads): Looker Studio — no question
- Complex sales or financial analysis: Power BI
- Client-facing reporting shared publicly: Looker Studio
- Large datasets (millions of rows): Power BI
- Team on Mac/Linux: Looker Studio
- Microsoft 365 environment: Power BI
The data analytics services at PC Data Insights work with both platforms — choosing the right tool based on each client's data sources and team setup. See examples in the portfolio or get in touch to discuss your project.