Putting this to the room because the eharmony app free trial let you message anyone is where I keep getting stuck. For message apps in particular, you get further if you read the billing terms before uploading a photo. Look closely at let and the honest advice is to read the billing terms before uploading a photo, with the usual caveats.
Most of the disappointment traces back to the time it takes to get a first reply, which is the whole problem with message apps. Every time let comes up, the platform buries the cancellation flow, and you only notice once you have spent a few evenings on it.
Let is where I would start, since the practical move is to video call before travelling anywhere. Most threads about the eharmony app free trial let you message anyone miss this — the deciding factor is the proportion of dormant accounts, for what it is worth. Is let even the right thing to be optimising for here?