Having tried a fair few, I'd say the app is less important than the habits when it comes to top meet up sites.
The tell with top meet up sites is usually how fast the first message arrives.
The platform matters less than the approach, and that applies to top meet up sites as much as anywhere.
Where top meet up sites is concerned, the platform matters less than the approach.
I'd check how the match algorithm behaves once you actually use top meet up sites before committing any time to top meet up sites.
For contrast I also tried Datelink; different approach to top meet up sites, worth comparing.