NX Optimizer vs Special K
| NX Optimizer | Special K | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, Windows | Windows |
| Free plan | Yes | Yes |
| Per-game profiles | Yes | — |
| In-game overlay | Yes | — |
| Supported platforms | Windows, Linux | windows |
Both are listed in Best Game Graphics Optimization Software. On Samsung Mobile US Press, NX Optimizer scores higher on our published basis.