Looks like an official app by the Belgian federal government.
Considered to be less predatory than Itsme, though it seems to reliable on proprietary app stores and may require Itsme the first time

There’s no such thing as “AI” in the way the tech industry promotes it. AI is marketing hype, not “intelligence.” What people call AI is a messy collection of tools that do stuff: ChatGPT extrudes plausible-sounding text, Midjourney spits out synthetic images, Instagram’s algorithm sorts you into demographic categories to annoy you with ads, Amazon’s product recommendation system cyberstalks your every click to sell you stuff you don’t need.