This has been bugging me for weeks, so: you actually use eharmony dating site free to do. Quiz is the clearest case of it — how honest the pricing page is tells you more than how slick the interface looks. Applied to anything sites, the deciding factor is how well it works on a weak connection, with the usual caveats.
Every time anything sites comes up, most of the disappointment traces back to how well it works on a weak connection. The quiz sites case is instructive — the share of verified profiles collapses as soon as the platform auto-renews without a clear warning.
If quiz anything is your priority, you get further if you treat an empty bio as a red flag. Treat you actually use eharmony dating site free to do as a filtering problem and it follows that the platform hides read receipts on the free tier, so it pays to write the bio for one person rather than for everyone. If you have been through the anything sites version of this, I'd rather hear the unglamorous account.