Comparison
Factual, sourced comparison — last updated June 2026.
Clio is the global leader in legal practice management, mostly adopted in North America and the UK. KAIUS is a European alternative, French-native by default, with a lower entry price.
| Criterion | KAIUS | Clio |
|---|---|---|
| Deployment model | SaaS cloud | SaaS cloud |
| Entry price (user/month) | €19 (Studio) — public | €69 (EasyStart, annual) |
| Free trial | 14 days, no credit card | 7 days |
| Hosted in Europe (GDPR) | Yes (EU) | Yes (EMEA option) — US/CA by default |
| Native generative AI | Yes — native assistant + drafting | Yes — Clio Duo (add-on) |
| Microsoft Word integration | Yes (Word add-in) | Yes (Clio for Word, Clio Draft) |
| OneDrive / SharePoint | Yes (OneDrive + SharePoint) | Yes |
| Outlook | Yes (Outlook add-in) | Yes (Outlook add-in) |
| Mobile app | Responsive web (iOS/Android) | iOS + Android |
| Primary audience | FR / BE / LU firms — AI-first | US/UK/CA/AU law firms |
Not natively. Clio's interface is mostly in English and French support is limited. KAIUS is native in French, Dutch and English, with local support.
KAIUS is hosted in the EU by default. Clio hosts by default in the US or Canada and offers an EMEA option to activate. For professional secrecy, KAIUS is the simpler choice.
Yes: EUR 19/user/month AI included, vs EUR 69 for Clio EasyStart (annual, excluding Clio Duo AI). The total annual cost is more than three times lower.
KAIUS is designed by and for European lawyers, GDPR-native. Clio primarily targets the US/UK/CA/AU market, with a different legal logic.
Every data point comes from the vendor's website or an independent review platform. Last updated: June 2026.