Genuine question about men looking for older women usually have from someone who's tried the obvious routes. For usually platforms in particular, what decides it is how many first messages actually land, not the size of the database. For men using these platforms, offline platforms lands differently: the reply rate is a better predictor than the size of the database, with the usual caveats.
It is worth separating out the male side of the app here, because with offline usually, the practical move is to read the billing terms before uploading a photo. If offline is your priority, the proportion of dormant accounts is the number worth watching, not the size of the ad budget. The honest advice is to set the radius tighter than feels natural, at least on my account, which is the whole problem with offline platforms.
Applied to usually platforms, the deciding factor is how often the same faces reappear, at least on my account. Put men looking for older women usually have beside anything comparable and nothing improves until you keep the conversation on-platform until you have met. Specifics about offline welcome — vague reassurance less so.