ImmediatelyFast
7.1#3 in minecraft performance modsFree planFree planAPILinuxmacOSWindows
VisitImmediatelyFast vs Krypton
What both publish
| Fact | ImmediatelyFast | Krypton |
|---|---|---|
| Compatibility | The project is designed to interfere minimally with other mods and modpacks. | The FAQ reports compatibility with Fabric API, Lithium, Sodium, Phosphor, and Immersive Portals as specified there. |
| CurseForge reach | CurseForge shows 190,454,848 downloads for the project. | CurseForge reports 36,010,488 downloads and a July 14, 2026 update date on its Krypton listing. |
| Licence | The source is licensed under the GNU Lesser General Public License version 3. | The project is licensed under GNU LGPL version 3, with Modrinth specifying LGPL-3.0-only. |
| License | The project is licensed under LGPL-3.0-or-later. | The project is licensed under LGPL-3.0-only. |
| Minecraft versions | The listing shows compatibility with Minecraft versions 1.18.2 through 1.21.x and versions 26.1.x, 26.2, and 26.3. | Modrinth lists compatibility with Minecraft Java Edition versions 1.16.2 through 1.16.5, 1.17.x, 1.18.1 through 1.18.2, 1.19.x, 1.20.x, 1.21.x, and 26.1 through 26.3. |
| Mod loaders | The listing names Fabric, Forge, NeoForge, and Quilt as supported platforms. | CurseForge lists Fabric and Quilt as supported mod loaders. |
| Modrinth reach | The Modrinth listing shows 133.9 million downloads and 11.7 thousand followers. | Modrinth reports 44.1 million downloads and 5.8 thousand followers for Krypton. |
ImmediatelyFast plans
- ImmediatelyFastFree
Krypton plans
- KryptonFree
Pick ImmediatelyFast if…
ImmediatelyFast suits Minecraft: Java Edition players looking to improve client rendering, particularly when the CPU is the bottleneck. It is client-side and supports several mod loaders.
Pick Krypton if…
Krypton may suit Minecraft server operators looking to optimize networking and entity tracking, particularly on Linux. It can also run client-side, but its features are geared toward servers.