The gender filter, and what it does on a free service
This is the single most asked question about the format and the one most often answered dishonestly, so here is the mechanism rather than the marketing.
What a filter can do and what it cannot
A filter narrows a queue. It cannot add anybody to that queue. If the pool waiting at that moment is seven parts one thing and three parts another, filtering to the smaller part gives you the smaller part — slowly, with long waits, and with the same faces coming round again.
| Free service | Paid room | |
|---|---|---|
| What the filter does | Narrows the existing queue | Narrows a queue somebody assembled |
| Where the other half comes from | Whoever turned up | Recruited and paid |
| What the waiting looks like | Long, and it gets longer | Short, because the supply is arranged |
| What you are buying | Nothing — it is the same pool | The other side of the pool |
So why do free services offer one
Because it is asked for, and because narrowing a queue is trivial to build. The result is technically a filter and practically a longer wait for the same evening, which is why people conclude it is broken. It isn't broken. It has nothing to work with.
There is a second reason, less charitable and probably the larger one. A control that appears to narrow the pool makes the service feel like it has more in it than it does, and a person who believes a filter is working waits longer before concluding the room is empty. Whether that is deliberate design or a convenient accident is beyond what anyone outside the company could establish.
What the paid version is actually selling
Not a feature — a payroll. Somebody has spent money recruiting the half of the queue you came for, and the subscription is that spending flowing back. Every other item advertised on such a service is downstream of that single fact.
Whether that is worth paying for is a separate question and depends entirely on why you are here. For practising a language it buys nothing at all, because the exercise doesn't care who is on the other side.
See what the unfiltered pool looks like
One practical note for anyone paying anyway. Take the month rather than the pack of minutes, and run the sum first: whatever they charge per minute, times twenty, is a single unremarkable evening. That multiplication rarely appears anywhere near the price.