ImmediatelyFast vs Immersive Optimization
| ImmediatelyFast | Immersive Optimization | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | — |
| Mod loader | multi-loader | multi-loader |
| Performance focus | rendering | server |
| Client/server scope | client | server |
| Minecraft versions | 26.3 | 1.20.1; 1.21–1.21.1; 1.21.11; 26.1.2; 26.2 |
| Requires Sodium | No | No |
| Dedicated server support | No | Yes |
Both are listed in Best Minecraft Performance Mods. On Specifiction, ImmediatelyFast scores higher on our published basis.