c177ed05_Stepper_vs_Servo_Motors_Stepper_Vs__Servo_Motors_Stepper__Hybrid_
[Characteristics] Low Speed High Torque [Servo Motor (DC Brushed] Servo motors will do fine with low speed applications given low friction and the correct gear ratio [Stepper (Hybrid)] 
Stepper motors provide most torque at low speed (RPM).
Stepper vs Servo Motors
Stepper (Hybrid)