| Price from | — | 4,000 NGN/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 7 |
| Spec score · AI Legal Research Software | 8.5 (#2) | 8.6 (#1) |
| Documentation | The opened official site exposes product, security, data-source and legal pages, but no public API reference or technical installation documentation was stated. | The Help Centre contains collections for case management, documents, email, legal assistance, practice, collaboration, workflows and developers. |
| Headquarters | Arca’s own pages list 205 W 28th St, New York, NY 10001. | The terms give the principal office as 7 Peter Utulu Close, Anu Crescent, Badore, Ajah, Lagos, Nigeria. |
| Integrations | The site names Word, Slack, Outlook, and Salesforce as enterprise integrations. | The site lists Outlook, Gmail, Zoho, Zoom, MongoDB, Notion, Microsoft Teams, Google Calendar, Slack, Dropbox, DocuSign and Calendly connections. |
| Legal research | The platform searches indexed primary legal sources across the United States, European Union, Canada and Asia. | The assistant searches case law and statutes across the United States, United Kingdom, Canada, European Union, Nigeria, Ghana, Kenya and South Africa, with linked authorities. |
| Product | Arca is a platform for deploying legal and compliance agents that perform research, intake and standard operating procedures. | ModulawAI describes itself as an AI operating system for legal practice covering research, drafting, matters, clients and billing. |
| Security | Arca states that it is SOC 2 Type II certified and GDPR compliant. | The data protection policy says legal documents are encrypted at rest and in transit, and staff access them only with user consent. |
| Support | Arca says enterprise deployments include dedicated support and offers demo contact through [email protected]. | Support is offered through in-app chat and email, while Enterprise plans include a dedicated account manager and the pricing table lists dedicated support. |