Yes, software on F-droid is free and reviewed for anti-features before publishing. Google Play has the worst, ad ridden, dark pattern filled, data guzzling, subscription packed, commercial slop with no real oversight on what gets published. Malware frequently gets on the Play Store, never heard of it being a problem on F-Droid.

Google is a malware services company. They profit when malware OBS is the first search result when you search for OBS.