Yeah, that's true. The iOS version isn't great because of the Apple limits to iOS, so it works like a third-party keyboard -- except a badly designed one. In any case, I believe I tried this app on Windows a few years ago: https://www.phraseexpress.com/text-expander-android.htm
They have an iOS and Android app. A bit more pricey, though. Looks like licensing works like DevExpress.