Frontrun vs Harmonic
Frontrun
frontrun.vc
Harmonic
harmonic.aiSide by side
| Figure | Frontrun | Harmonic |
|---|---|---|
| Price from | $49/mo | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| API | Yes | Yes |
| Plans published | 3 | 3 |
| Spec score · Startup Databases | 7.8 (#9) | 7.8 (#10) |
| Integrations | The documentation lists integrations or client guides for MCP, Hermes, OpenClaw, Claude Code, Cursor, Python, and JavaScript. | Native integrations include Slack alerts, Google accounts, Affinity, and LinkedIn connections; third-party connections include Polytomic and Zapier. |
| Security | The maker says API communication uses HTTPS with TLS 1.2 or higher, API keys are stored hashed, and request bodies and response data are not logged. | The pricing page states that Harmonic is ISO 27001 certified and SOC 2 Type II compliant. |
| Support | Pro includes priority support, while Enterprise includes dedicated support and an SLA. | The maker lists email support at [email protected]. |
Plans
Harmonic
- API accessPriced on request
- Bulk dataPriced on request
- Console accessPriced on request
In their own words
Harmonic
Harmonic is a startup intelligence database for following companies and people as they grow, hire, raise funds, launch products, or change direction. Its Console and Bulk Data offerings list 40 million companies, 200 million people, and 250 thousand investors. Harmonic says it combines legal filings with dozens of public sources and refreshes the information regularly. Scout lets users ask questions about startups or schedule AI agents to find, evaluate, and monitor companies, people, deals, and markets. Network Mapping connects LinkedIn relationships, email and calendar events, and CRM engagements with companies and operators in the database. The maker positions Harmonic for venture capital, growth capital, corporate innovation, and go-to-market prospect discovery. It offers REST and GraphQL APIs, MCP connectivity, and bulk delivery through S3, BigQuery, or Snowflake. Integrations include Slack alerts, Google accounts, Affinity, LinkedIn connections, Polytomic, and Zapier. Console, API, and Bulk Data prices are available on request. Scout includes up to $750 of credits per user each month, and the Scout API has a $250 free credit allowance.