Side by side
ARCA Monitor vs Unit21
Both stand on aml compliance software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial APIWeb
ARCA Monitor covers broad AML operations, from onboarding and screening through investigations and filings. Its free trial requires no credit card, while enterprise costs depend on transaction volume, workspaces, and compliance requirements.
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Paid APIWeb
Unit21 brings transaction monitoring, fraud controls, investigations and regulatory filing support into an AI risk platform. Pricing is custom and available by demo request.
Visit Unit21The facts
| ARCA Monitor | Unit21 | |
|---|---|---|
| Free plan | A free trial | Not published |
| Open source | Not published | Not published |
| Runs on | API, Web | API, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Unit21 |
| Website | arcamonitor.app | unit21.ai |
| On aml compliance software | #3 of 27 | #21 of 27 |
ARCA Monitor: what it does well
- Real-time and batch monitoring
- Screening across 15+ global lists
- KYC and continuous monitoring workflows
- Regulatory filing support
- Traceable, explainable risk decisions
What to know first
- No free plan
- Documentation has sections coming soon
- Transaction quotas count ingested payments
Unit21: what it does well
- Monitors transactions with configurable rules and risk scoring
- Case management includes evidence and graph analysis
- Screens sanctions lists with configurable matching logic
- Reports SOC 2 Type I and Type II compliance
What to know first
- Pricing is available by demo request
- The listed platform interfaces are web and API
Alternatives to ARCA Monitor Alternatives to Unit21 The whole list