ChangeSignal vs Explorium
ChangeSignal
getchangesignal.comExplorium
explorium.aiSide by side
| Figure | ChangeSignal | Explorium |
|---|---|---|
| Price from | — | — |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 0 | 6 |
| Spec score · Account Enrichment Software | 7.4 (#28) | 8.0 (#12) |
| Audience | The restaurant-opening alerts are presented for teams that need to reach new venues early, including sellers of POS, payments, insurance, supply, payroll, and equipment financing. | Explorium presents the product for building prospecting, account research, context-aware email, outbound, and inbound agents. |
| Integrations | The restaurant alerts page offers Slack or Discord webhooks for team visibility. | The integrations page lists n8n, ChatGPT, Clay, Claude Code, Salesforce, HubSpot, OpenClaw, and Claude Pro. |
| Product | ChangeSignal monitors public data and turns changes into evidence-linked buying signals. | Explorium describes itself as B2B data and infrastructure for AI agents and go-to-market workflows. |
Plans
Explorium
- Free TrialFree
- Lite$29.99, paid once
- Starter$149.99, paid once
- Growth$749.99, paid once
- Scale$7,499.99, paid once
- EnterprisePriced on request
In their own words
ChangeSignal
ChangeSignal has no write-up on Specifiction yet; its figures are above.
Explorium
Explorium provides B2B data and infrastructure for AI agents and go-to-market workflows, including account discovery, enrichment, event tracking and research. Its Generate Accounts & Prospects API builds targeted lists using filters such as company size, website keywords and technologies. Enrichment APIs cover firmographics, workforce trends, professional profiles, and company and personal contact information. The Events API tracks real-time developments such as partnerships and product launches; the AI Research API accepts natural-language queries to generate ideal customer profiles and insights. Listed coverage includes 146M+ business entities, 767M+ professional profiles, 90M+ geospatial datapoints and 4000+ data signals. Delivery options include native integrations, API or MCP access, and customized bulk data drops. AgentSource v2 includes matching, enrichment, research, events, webhooks, asynchronous jobs and credit-usage endpoints. A free trial provides 100 credits valid for 90 days. Paid packages include Lite at $29.99, paid once, with 500 credits valid for 12 months and no rollover.