To be clear: xResolver is a database, not a booter. It links Xbox Gamertags to IP addresses. A "booter" (or booter service) is the tool that actually launches the DDoS attack to knock someone offline.
Users searching for "Xbox booters" often use xResolver to obtain the target's IP before using a "stresser" or "booter" service to flood that IP with traffic, knocking the player offline. IPRoyal.com Extortion Concerns xresolver xbox booter better
The ethical implications are equally severe. The gaming community thrives on fair play and skill-based competition. "Booting" an opponent undermines the integrity of the game and creates a toxic environment. It moves the competition from the digital battlefield to the infrastructure of a private residence, affecting not just the targeted player, but everyone sharing their Wi-Fi network, including those working or learning from home. To be clear: xResolver is a database, not a booter
The short answer is no, there is no "better" booter—and looking for one is dangerous for your own security. Users searching for "Xbox booters" often use xResolver