c177ed05_Stepper_vs_Servo_Motors_Stepper_Vs__Servo_Motors_Stepper__Hybrid_
[Characteristics] Cost [Servo Motor (DC Brushed] The cost for a servo motor and servo motor system is higher than that of a stepper motor system with equal power rating. [Stepper (Hybrid)] 
This feature would have to go to stepper motors. Steppers are generally cheaper than servo motors that have the same power rating.
Stepper vs Servo Motors
Stepper (Hybrid)