Which one is better spline hobs or gear hobs

Spline hobs and gear hobs may look similar, but they are designed for different applications. Using the wrong type can lead to inaccurate components and poor performance. Understanding their differences helps manufacturers select the right tool for the job.
What Are Gear Hobs?
Gear hobs are cutting tools used to manufacture:
• Spur gears
• Helical gears
• Worm gears
They generate the complete tooth profile required for smooth gear meshing.
What Are Spline Hobs?
Spline hobs are used to cut:
• External splines
• Internal splines
Splines are mainly used to transmit torque between shafts and components.