YX YuB-X

YuB-X Executor

The Free Roblox Executor with 100% UNC.

Download YuB-X
Version 3.2.0 • 48MB • Windows • Free & Open Source • 100% UNC • 100% sUNC

100% UNC & sUNC Score

Perfect compliance score across all Roblox scripting APIs.

Byfron Undetected

High-speed injection evades Roblox's anti-cheat engine.

Multi-Threaded Processing

Lightning-fast execution without draining resources.

Memory Optimized

RAM usage reduced by up to 40% vs comparable executors.

Under 2s Startup

Average launch time under 2 seconds, ready instantly.

Regular Updates

New builds every 2–3 weeks, community-driven improvements.

Pricing Tiers

Free Version

  • 12-hour key system
  • 3 checkpoints
  • Takes 5–10 min to obtain a key
RECOMMENDED

Paid Version

$20 one-time
  • No keys required
  • No ads
  • Lifetime access

System Requirements

If your PC can run Roblox, it can run YuB-X. No additional hardware requirements. Built for speed and reliability on all Windows machines.

What Is YuB-X Executor?

YuB-X is a free, open-source Roblox executor built for scripters and game modifiers who demand speed and reliability. It runs natively on Windows and delivers a perfect 100% UNC and 100% sUNC compliance score, meaning it correctly implements the full range of Roblox scripting functions that advanced scripts rely on. Whether you are testing automation, building tools in private servers, or experimenting with the Luau runtime, YuB-X executes your scripts without the gaps found in lower-tier alternatives.

Performance is at the core of YuB-X. The executor uses multi-threaded processing and an optimized memory pipeline that reduces RAM usage by up to 40% compared with comparable tools, while its quick-launch technology brings average startup time to under two seconds. A high-speed injection method keeps YuB-X undetected by Roblox's Byfron anti-cheat engine, and there are no demanding system requirements: if your PC can run Roblox, it can run YuB-X.

YuB-X is actively maintained, with new builds shipping every two to three weeks based on community feedback. The free version uses a simple 12-hour key system with three checkpoints that takes roughly five to ten minutes to complete, after which the executor runs uninterrupted for the full session. A one-time paid version removes the key system and ads entirely.

Frequently Asked Questions

Is YuB-X free to use?

Yes. YuB-X is free and open source. The free version uses a 12-hour key system with three checkpoints that takes about five to ten minutes to complete, after which you can use the executor for the next 12 hours without interruption.

What is the UNC score of YuB-X?

YuB-X achieves a 100% UNC and 100% sUNC score, meaning it fully implements the Unified Naming Convention used to measure how completely an executor supports Roblox scripting APIs.

Does YuB-X work with Byfron?

YuB-X uses a high-speed injection method that keeps it undetected by Roblox's Byfron anti-cheat engine, and the development team ships updates every two to three weeks to keep it current.

What platforms does YuB-X support?

YuB-X supports Windows PC. There are no special hardware requirements: if your computer can run Roblox, it can run YuB-X. The download is approximately 48MB.

What is the latest version of YuB-X?

The latest version is YuB-X 3.2.0. New builds are released every two to three weeks with bug fixes and new features driven by community feedback.