CoStar
Fathom Analytics
| Feature | CoStar | Fathom Analytics |
|---|---|---|
| Pricing | Contact sales | From $14/mo |
| Free Plan | ✗ No | ✗ No |
| Rating | 4.1 / 5 | 4.6 / 5 |
| Best For | commercial-brokers, property-investors, asset-managers, appraisers | privacy-conscious-businesses, bloggers, saas-companies, agencies |
| Founded | 1987 | 2018 |
| Property Data | ✓ | ✗ |
| Market Analytics | ✓ | ✗ |
| Tenant Information | ✓ | ✗ |
| Comparable Sales | ✓ | ✗ |
| Mapping | ✓ | ✗ |
| Forecasting | ✓ | ✗ |
| Alerts | ✓ | ✗ |
| Privacy First Analytics | ✗ | ✓ |
| Event Tracking | ✗ | ✓ |
| Email Reports | ✗ | ✓ |
| Custom Domains | ✗ | ✓ |
| Api | ✗ | ✓ |
| Uptime Monitoring | ✗ | ✓ |
✓ CoStar Pros
- Most comprehensive commercial real estate database
- Detailed property and tenant information
- Advanced analytics and market forecasting
- Verified data with dedicated research teams
✗ CoStar Cons
- Very expensive subscription costs
- Primarily focused on commercial real estate
- Steep learning curve for new users
✓ Fathom Analytics Pros
- No cookie banners needed
- Beautiful simple dashboard
- Fast loading (single script)
- EU-isolation for European data
✗ Fathom Analytics Cons
- No free plan
- Limited segmentation compared to GA4
- No e-commerce tracking
The Verdict
CoStar is built for commercial brokers and property investors, with a focus on property-data and market-analytics. Fathom Analytics targets privacy conscious businesses and bloggers and leads with privacy-first-analytics and event-tracking.
CoStar uses custom enterprise pricing, while Fathom Analytics starts at $14/mo — a tangible advantage for teams with a fixed budget.
Neither tool offers a free plan, so factor the subscription cost into your decision from the start.
Fathom Analytics edges out on user ratings (4.6 vs 4.1). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Feature-wise, CoStar offers broader built-in capabilities (7 features vs 6), while Fathom Analytics takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: Fathom Analytics has a slight overall edge — but if most comprehensive commercial real estate database matters most to you, CoStar may still be the right call.