Used services like this for about six weeks, which is long enough to have an opinion.
One thing I'd do differently with services like this — assume the first three conversations will go nowhere.
What changed my mind on services like this was how much personal data the signup demanded.
Worth doing early on services like this: set your radius tight first and widen it only if it goes quiet.
Practical tip for services like this: screenshot anything that looks like a scam and report it.
My advice on services like this: keep chatting on-platform until you are comfortable.
Whether services like this works comes down to how many people locally are already on it more than anything the marketing mentions.
Your mileage on best foreign dating sites for international romance may differ, obviously.