The Best Ever Guide to Roblox FPS Unlocker (For Windows, Mac & Mobile)

Roblox limits its frame rate to 60 FPS. That might have worked 10 years ago, but on modern PCs, it feels choppy. If you’re on a 120Hz or 144Hz display, you’re not getting the full experience. That’s where Roblox FPS Unlocker comes in. It removes the built-in cap so your hardware can finally perform as it should.
This guide explains how to use it on Windows, Mac, and why mobile options don’t exist. We’ll also cover safe downloads, fixing errors, and how to boost performance without risking your device.
What Is Roblox FPS Unlocker and Why Do You Need It?
Roblox FPS Unlocker is a small tool that disables Roblox’s default 60 FPS cap. It’s not a hack or cheat. It doesn’t touch your games or servers. It just unlocks the FPS limit.
You can grab the latest version safely at Bloxecutor, which links directly to trusted sources and includes detailed setup instructions.
Roblox’s 60 FPS limit was designed for weaker machines. Today, that cap slows down smoother machines. Players with high refresh rate monitors immediately notice the difference after using the unlocker. It’s smoother, snappier, and feels right.
Roblox’s 60 FPS Cap Explained
Roblox restricts the frame rate to 60 FPS for all players. The setting isn’t adjustable in the game, and Roblox doesn’t offer a built-in option to change it. This limit keeps performance consistent on lower-end systems but holds back users with modern hardware.
How FPS Unlockers Improve Your Gameplay
Unlockers remove that cap and allow your system to use its full strength. The change is obvious: better movement, reduced lag, and smoother animations. It doesn’t increase your system’s performance but unlocks what it’s capable of. Players using high refresh rate displays see the biggest gains.
Roblox FPS Booster vs Unlocker – What’s the Difference?
A booster tries to improve performance by optimizing your system. An unlocker simply removes the limit that Roblox enforces. If your PC can already push high FPS, an unlocker lets you use that potential. You can use both tools, but they solve different problems.
Is Roblox FPS Unlocker Safe to Use in 2025?
Yes, but only if you use the original version from GitHub. It’s open-source and well-vetted by the community. Some antivirus apps will flag it, but that’s due to how it runs. Not because it’s dangerous.
Roblox’s Official Stance (DevForum Insight)
Roblox developers have said that FPS Unlockers are fine as long as they don’t modify gameplay. On the DevForum, many users confirmed that it’s allowed. No mass bans have occurred from using it responsibly.
Common Community Concerns (Reddit & YouTube Reactions)
Players worry about viruses and bans. Reddit users repeatedly confirm that the tool is safe if you download it from the right source. YouTubers warn against downloading anything that’s not hosted on GitHub.
How to Avoid Malware and Fake FPS Unlockers
Avoid sites that offer APKs or “free FPS unlockers” outside GitHub. Most of them contain malware or unwanted software. Always double-check the source and never run executables from sketchy domains.
How to Download Roblox FPS Unlocker Safely
Download Sources: Windows, macOS, and Trusted GitHub Links
Use Axstin’s GitHub page to download the Windows version. For Mac, lanylow has created a working script that runs through Terminal. Only use these sources.
Warning: Stay Away from APKs and Fake Unlockers
There is no mobile version. Any APK claiming to uncap FPS on mobile is fake or dangerous. Avoid them completely.
Checklist: How to Know If an FPS Unlocker Is Legit
- It’s on GitHub.
- The developer is known (e.g., Axstin).
- You can view the source code.
- No extra installers or software.
How to Use Roblox FPS Unlocker on Windows (Step-by-Step)
Installation Guide
- Download the ZIP from GitHub.
- Unzip it to a folder.
- Run the .exe file.
- Launch Roblox.
It runs in the background and unlocks FPS automatically.
System Tray Settings & Custom FPS Caps
Right-click the tray icon to change the FPS cap. To set a custom cap not listed in the menu, edit the settings.json file.
Troubleshooting FPS Unlocker Not Working
- Run it before opening Roblox.
- Try running as administrator.
- Check antivirus settings.
- Get the latest version after Roblox updates.
How to Use Roblox FPS Unlocker on Mac
Download & Run macOS Version (lanylow GitHub)
Download the script from lanylow’s GitHub. Open Terminal and run the unlocker using ./unlock.sh. It’s simple, but you’ll need to rerun it when Roblox updates.
Terminal Commands to Set FPS Cap on Apple Silicon
To set a specific FPS, use: ./unlock.sh 144. Replace 144 with any value.
Known Issues with Roblox FPS Unlocker for Mac
- Updates reset changes.
- Terminal access may be blocked by macOS.
- Performance boost depends on system power.
Roblox FPS Unlocker for Mobile: Can You Use It?
Why Mobile FPS Unlocking Isn’t Supported
Mobile systems don’t allow this kind of modification. Roblox’s app is locked down and doesn’t support external tools.
Are There Any Safe APKs for Android?
No. Every APK you find online is fake or unsafe. There is no legitimate FPS unlocker app for Android.
Best Mobile Alternatives to Improve Roblox FPS
- Lower graphics settings in-game.
- Use Game Booster apps.
- Close other apps before playing.
- Keep your device cool.
Advanced Tips to Boost FPS in Roblox (With or Without Unlocker)
Edit Roblox Config Files for Performance
Create a ClientSettings folder and a file named ClientAppSettings.json. Add:
{
“DFIntTaskSchedulerTargetFps”: 240
}
This sets a new FPS target directly in Roblox’s engine.
Use Bloxstrap or Flags File Methods
Bloxstrap is a custom launcher with built-in FPS options. You can also use the Flags File method by editing Roblox’s local settings.
Game Settings and Windows Tweaks That Actually Work
- Set Roblox to high performance in graphics settings.
- Turn off V-Sync in GPU software.
- Lower resolution.
- Use windowed mode.
Common Issues and How to Fix Them
FPS Unlocker Crashing or Not Opening
- Run as administrator.
- Close Roblox before launching.
- Install .NET and Visual C++ runtimes.
Antivirus Deleting the Unlocker
- Restore it from quarantine.
- Add an exception.
- Re-download from GitHub.
Compatibility Problems After Roblox Updates
Roblox updates often break compatibility. Always download the newest version from GitHub after updates.
FAQs About Roblox FPS Unlocker (Real Answers from the Community)
Is FPS Unlocker allowed on Roblox?
Yes. Developers and players confirm it’s okay if it doesn’t change gameplay code.
Can you get banned for using FPS Unlocker?
Unlikely, but memory-based methods might get flagged in the future. Stick to the Flags File for safety.
Does FPS Unlocker increase FPS or just unlock it?
It only removes the cap. It doesn’t boost your system’s power.
Does it work on laptops?
Yes, especially if you set your power mode to “High Performance.”
Can you use it with Roblox Studio?
Yes. Many developers use it to get smoother editing and testing performance.