FNF OPT Mod

Download FNF OPT Mod for Android & iOS

FNF OPT Mod V-Slice Add-On

FNF OPT Mod is an optimization add-on that improves the overall performance of FNF V-Slice on both PC and mobile. It applies various tweaks and optimizations under the hood to reduce lag, improve frame rates, and make the game run smoother on devices that struggle with the default performance settings. Unlike Disable Shaders which only removes visual effects, OPT Mod takes a broader approach to optimization.

Created by Sonic356, this add-on (currently at version 1.6.0) has been regularly updated through early 2026. It aims to maintain visual quality while improving performance, making it a good middle ground for players whose devices are borderline — not terrible enough to need all shaders disabled, but not powerful enough to run everything smoothly at default settings.

You can use OPT Mod alongside other performance add-ons for maximum effect, or on its own for a more balanced approach. If your phone handles most songs fine but occasionally stutters during intensive moments, this add-on might be all you need.

Download

Need help installing? Check our complete installation guide.

More FNF Add-Ons

  • Disable Shaders — Removes shader effects to improve performance on low-end devices. Essential for smoother gameplay on budget phones.
  • V-Slice Like Psych Engine — Brings Psych Engine-style features and UI elements to FNF V-Slice. Familiar experience for Psych Engine fans.
  • Crusher's UI — Complete visual overhaul of the FNF user interface. Replaces menus, health bars, and score displays with a fresh design.