Roblox Run Service Script Heartbeat

The roblox run service script heartbeat is basically the heartbeat of your game's logic, firing every single frame after the physics engine has finished its calculations. If you've ever tried to move an object or update a UI element and noticed it looks a bit "choppy" or jittery, you're likely seeing the difference between a standard loop and the precision you get from the RunService. It's one of those essential tools that separates the beginners from the folks who really understand how Roblox handles its internal clock. ...

February 13, 2026 · 7 min · Healy Dubrino