Touch for ios. Click for Editor. this code is compatible.

TouchOrClick.cs

using UnityEngine;
using System.Collections;

public class TouchOrClick : MonoBehaviour 
{
  public float touchSpeed = 1.0f;
	// Use this for initialization
	void Start () {
		Debug.Log("touch start");
	}
	
	// Update is called once per frame
	void Update () {
#if UNITY_EDITOR
		if(Input.GetButtonDown("Fire1")){
			Vector3 clickDeltaPosition = Input.mousePosition;
			Ray ray = Camera.main.ScreenPointToRay(clickDeltaPosition);
			if(Physics.Raycast(ray)){
				transform.Rotate(	clickDeltaPosition.y * touchSpeed * 10f,
									clickDeltaPosition.x * touchSpeed * 10f,
									0f,
									Space.World);
			Debug.Log("Clicked");
			}
		}
#elif UNITY_IPHONE
		// Get Touch Count.
		int fingerCount = 0;
		foreach ( var touch in Input.touches )
		{
			if( touch.phase == TouchPhase.Ended )return;
			if( touch.phase == TouchPhase.Canceled )return;
			fingerCount++;
		}
		if(Input.touchCount <= 0) return;
		//change to Behavior by phase.
		switch(Input.GetTouch(0).phase)
		{
			case TouchPhase.Began:
				Debug.Log("Begin");
				break;
			case TouchPhase.Moved:
				Debug.Log("Moved");
				Vector2 touchDeltaPosition = Input.GetTouch(0).deltaPosition;

				transform.Rotate(	touchDeltaPosition.y * touchSpeed * 10f,
									touchDeltaPosition.x * touchSpeed * 10f,
									0f,
									Space.World);
				Debug.Log("Touched");
				break;	

			case TouchPhase.Ended:
				Debug.Log("Ended");
				break;
		}
#endif
	}
}