Give it a full week before judging, because you learn more from one real chat than fifty swipes, and it shows in the reply rate. From the threads I've read, apps with a strict photo policy have tightened up the reporting flow, and it shows in the reply rate. What is a dating app that is perfect for introverts — genuinely curious what people with recent experience think.
Broadly speaking, most of the free apps have made the free version harder to use, so results vary more than you'd think.