| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | — |
| Plans published | 1 | 1 |
| Spec score · Cross-Channel Advertising Software | 7.4 (#7) | 6.7 (#9) |
| Founded | 2006 | 2013 |
| Intended users | Quantcast says its solutions serve publishers, brands, and agencies seeking to understand, plan, and activate audience-based media. | Smartly describes its platform for agency, performance, brand, and creative teams. |
| Measurement | The platform reports on site events, conversions, and return on ad spend, and offers ready-to-use reports, Report Builder, and API integrations. | Brand Pulse provides real-time, cross-channel deduplicated reach, frequency, and attention measurement. |
| Support | Quantcast's Help Center provides explainer, how-to, and reference articles, along with search tools for platform questions. | Smartly describes support that includes onboarding, creative services, managed services, and hands-on customer service. |