It's a native app what are you talking about

> It is worth noting that this law also applies to non-web applications where the service provider supposedly being secured against is also the client software distributor; thus, the “end-to-end encryption” offered by Whatsapp and Signal, amongst other proprietary services, is equally bogus. (Both Whatsapp and Signal ban use of third party clients, and enforce this policy.)

the specificity of between web apps that is highlighted by the article is that you receive a bundled code of software every time you open or use the app, as opposed to say, the operating system or desktop apps, which are less frequently updated. (Native) mobile apps are like web apps in that they release updates almost every day.