Yes, Scope.gg's Compare tool is completely free to use.
Scope.gg is an analytical service that collects, reviews, and rates players based on their matches via Comparing tool.
Comparing tool is a feature of Scope.gg that allows users to compare themselves with any player, including friends, random teammates or opponents, or even pro players, in terms of their CS:GO performance.
Scope.gg's comparison analysis includes the following metrics:
General Section (winrate / KDA / ADR / Rating 2.0 and more)
Aim (time to kill / accuracy / HS)
Grenades (smokes per match / flash duration / grenades dmg)
Maps performance (winrate / KDA / rounds won)
Some fun stats.
To start comparing on Scope.gg's Compare tool, you need to follow these steps:
Sign up/Sign in
Connect data source (steam or FACEIT) to allow analysis of your match data
Pick a player (either from your friend list on dashboard or use the search tab)
Observe the results and share them with your friends.