Settle the compliance question first
Most major platforms — advertising networks, marketplaces, social networks — prohibit operating multiple accounts, and using a tool to make separate accounts look unrelated will usually breach their terms even where it breaks no law. There are genuine exceptions: agencies given explicit permission to manage client accounts, sellers operating legitimately distinct businesses, and internal testing. Establish which category you are in before you spend anything, because the risk of losing accounts and ad spend sits with you, not the vendor.
Price per profile is the number to compare
Every vendor prices by concurrent profiles, and the spread is large — the same 50-profile workload ranges from roughly $30 to well over $100 a month depending on provider and tier. Count the profiles you genuinely need running at once rather than the total you might create, since most tools charge for the former.
Proxies are a separate purchase and usually the bigger cost
None of these tools include the proxies that make separate profiles look like separate locations, and residential proxy traffic frequently costs more than the browser subscription. Budget both together, and check that the tool supports assigning proxies in bulk rather than one profile at a time — at 50 profiles, manual assignment is a genuine time sink.
Team features matter more than fingerprint marketing
Every vendor claims a superior fingerprint engine and none of them can prove it in a way you can verify. What you can evaluate is the operational side: sharing profiles between team members without exposing passwords, role permissions, activity logs, and whether a profile opened on one machine syncs to another. That is where these tools genuinely differ, and where a badly-chosen one costs you hours weekly.