If by "better" you mean "easier" or "unlocked," you might be looking for (free official demo) or a Mod Menu .
The 2.2 update was notorious for performance issues, especially on mobile devices. The 2.21 version includes critical optimizations that make the game smoother: Shader Performance geometry dash 221 apk better
The anticipation for 2.21 stems from several highly requested features that aim to polish the massive 2.2 update: If by "better" you mean "easier" or "unlocked,"
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: New triggers for camera controls, post-processing effects (like shaders), and movement triggers allow for much more complex player-created content. Live Content & Community Features post-processing effects (like shaders)