Starting a thread on which spanish dating app is best for meeting people because the existing advice contradicts itself. Look closely at spanish apps and the honest advice is to use a photo that appears nowhere else online, with the usual caveats. With spanish apps, you get further if you test the search filters before uploading anything.
Spanish apps is where I'd start, since the time it takes to get a first reply moves the needle further than the number of features listed, from what I've seen. If madrid spanish is your priority, nothing improves until you run a reverse image search on suspiciously polished photos. Applied to madrid apps, how quickly the inbox fills counts for more than the size of the ad budget.
For spanish apps in particular, the practical move is to check whether a profile answers questions or deflects. Here is the uncomfortable bit about which spanish dating app is best for meeting people — what decides it is the number of live users, not the badge on the download page. Specifics about madrid apps welcome — vague reassurance less so.