CoStar
StackAdapt
| Feature | CoStar | StackAdapt |
|---|---|---|
| Pricing | Contact sales | Contact sales |
| Free Plan | ✗ No | ✗ No |
| Rating | 4.1 / 5 | 4.4 / 5 |
| Best For | commercial-brokers, property-investors, asset-managers, appraisers | agencies, brand-marketers, media-planners, performance-marketers |
| Founded | 1987 | 2014 |
| Property Data | ✓ | ✗ |
| Market Analytics | ✓ | ✗ |
| Tenant Information | ✓ | ✗ |
| Comparable Sales | ✓ | ✗ |
| Mapping | ✓ | ✗ |
| Forecasting | ✓ | ✗ |
| Alerts | ✓ | ✗ |
| Native Ads | ✗ | ✓ |
| Display Ads | ✗ | ✓ |
| Video Ctv | ✗ | ✓ |
| Audience Targeting | ✗ | ✓ |
| Contextual Targeting | ✗ | ✓ |
| Creative Studio | ✗ | ✓ |
✓ 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
✓ StackAdapt Pros
- Excellent native ad inventory
- Strong machine learning
- Good customer support
- Multi-channel reach
✗ StackAdapt Cons
- Minimum spend requirements
- Learning curve for platform
- Reporting could be more granular
The Verdict
CoStar is built for commercial brokers and property investors, with a focus on property-data and market-analytics. StackAdapt targets agencies and brand marketers and leads with native-ads and display-ads.
Both tools use custom enterprise pricing — you'll need to contact sales for a quote, which makes direct cost comparison difficult.
Neither tool offers a free plan, so factor the subscription cost into your decision from the start.
StackAdapt edges out on user ratings (4.4 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 StackAdapt takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: StackAdapt has a slight overall edge — but if most comprehensive commercial real estate database matters most to you, CoStar may still be the right call.