Building on what Travis_K said, i would put how many people are actually near you above almost everything else when it comes to met long-term. Two people can have opposite results with met long-term purely because of the paywall question.
Once I stopped worrying about coverage in your area, met long-term got a lot simpler.
How thin it gets outside cities matters more for met long-term than any feature list. My experience with met long-term shifted completely once I paid attention to the density problem. What decided it for me with met long-term was where the charges start.
Worth testing met a long-term partner on the cdff dating site yourself for a week before deciding.
A friend pointed me at souldate.site when I asked about met long-term and it held up.