The signal app, the one that shows me how strong my mobile signal is? Yes. (Annoyingly only for one SIM though.) "The app called Signal" would be the only sens

The signal app, the one that shows me how strong my mobile signal is? Yes. (Annoyingly only for one SIM though.) "The app called Signal" would be the only sensible way to do it that I can immediately see, but it's still clumsy and daft.