You said "most government services" but eID is usable with all Estonian government services and a significant amount of private sector services.
I was sort of hedging my bets there w.r.t government services. Granted, it is comparatively less prevalent in private sector services.
Does Singpass use biometric (either for enrollment, or during each use of it)?
[0]: https://www.singpass.gov.sg/main
[1]: https://en.wikipedia.org/wiki/Smart_Nation