Very simple C# unity static class to check if the user is capable of getting his reward bonus. Easily customizable.

HourlyBonus.cs

// Sean Loper
// Hourly Bonus Mechanic 1.0
// Very simple to expand and static functions for easy calling
// also simple bool checks with custom hour input.
// You can easily add your own saving and loading function check before
// the calculations of thisTime and lastTime;

using System;
using UnityEngine;
using System.Collections;

public class HourlyBonus {

	private static DateTime thisTime;
	private static DateTime lastTime;
	private static TimeSpan diffTime;

	public static bool Reward(){
		thisTime = DateTime.Now;
		diffTime = thisTime - lastTime;
		if(diffTime.TotalHours >= 1){
			lastTime = thisTime;
			return true;
		}else{
			return false;
		}
	}

	public static bool Reward(int hour){
		thisTime = DateTime.Now;
		diffTime = thisTime - lastTime;
		if(diffTime.TotalHours >= hour){
			lastTime = thisTime;
			return true;
		}else{
			return false;
		}
	}
}