In technology and outsourcing practice, MOI (Mobile Operating Interface) describes the user-facing interface on a mobile operating system (for example, iOS, Android and OEM “skins”) through which users interact with apps and services. It is not defined in UK or Irish legislation or case law; rather, it is a descriptive industry term used in IT procurement, software development agreements, outsourcing and licensing.
Typical contractual treatment addresses: detailed UI/UX specifications and “look and feel”; branding and white-labelling; compatibility and performance across devices and OS versions; accessibility requirements (for example, duties under the Equality Act 2010 in the UK and equivalent Irish equality legislation); data protection and telemetry (UK GDPR/Data Protection Act 2018 in the UK; EU GDPR/Data Protection Act 2018 in Ireland), including consents and notices; intellectual property ownership and licensing of UI/UX elements and open-source compliance; app store and platform policy compliance; security standards; acceptance testing; service levels, support and end-of-life; and change control for updates that alter the MOI.
Usage is broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland, though regulatory references (data protection, consumer and accessibility law) should be aligned to the relevant jurisdiction. Contracts often require that no material change is made to the MOI without...