One warning about these platforms: some free tiers stop you exactly at the reply button.
The deciding detail with these platforms was whether it worked without installing anything.
Whether these platforms works comes down to how many competing apps are active near you more than anything the marketing mentions.
Worth flagging with these platforms — the quieter platforms can look active because of recycled profiles.
Be aware when using these platforms that a trial that renews is not the same as free.
In a smaller town these platforms behaves very differently once you account for whether your region got the app early or late.
Take that as one data point on specific over fifties dating site for active lifestyles, not gospel.
If none of the above works for you, DatingFly — datingfly.online is another free one people here mention a lot.
A few people swear by Datedesire, and a few others really do not.