GuardAC vs Polar Anticheat

GuardAC is a cloud anti-cheat for Minecraft servers that looks for KillAura, aim assist, and unusual combat crosshair movement. It runs server-side, so players install nothing. During fights, the plugin sends a short set of crosshair-movement numbers to the cloud rather than video. The system learns a player's usual mouse movement and can flag changes in that style during a session. Staff receive alerts with a player name and score, and can handle punishment manually or automate it. Configurable thresholds range from alert-only operation to automatic bans. Listed enforcement actions include logs, kicks, bans, broadcasts, console commands, and optional combat suppression; replay analysis is also listed. The plugin supports Paper, Spigot, Purpur, and Folia servers running Minecraft 1.16 or newer. Supported servers require Java 17 or newer; Minecraft 26.1 and 26.2 require Java 25. The service combines a server plugin with a cloud API accessed using an API key. The free plan is listed at free, and a trial key is issued after sign-up without a card.

Polar Anticheat is cheat-prevention software for Minecraft servers, with checks largely processed in Polar Cloud. It monitors player activity and can mitigate movement, reach, and damage before applying punishments. Listed detection coverage includes auto clicker, heuristics, invalid protocol, movement, tick speed, inventory, world interaction, and latency abuse; enforcement can include hit cancellation, setbacks, kicks, and bans. Its plans include all checks, with limits on players, server instances, and HWIDs. Small server is €15 a month (billed €45/quarter or €150/year); Medium server is €29 a month (billed €29/month or €290/year); Large server is €59 a month (billed €59/month or €590/year). Installation uses a PolarLoader.jar file in the server’s plugins folder. Requirements include Java 8 or higher, Spigot or Paper, and an uninterrupted internet connection. Domain verification is required for onboarding, and proxy plugins are unsupported. The documentation describes an API for server and user lookup, events, and custom subcommands. The service supports Bedrock exemption when Floodgate and player-data forwarding are configured.