1. In addition, with the latest iOS8 system, we can check the number of steps we take in a day on the iPhone without other third-party software. In iOS8 system, there is a "health" function, where we can see the data we want to see.

2. In the "Health Data" of health application, find the "Fitness Data" column and click to enter.

3. Next, you can see the number of steps, frequency+distance, etc. After clicking enter, you can view the detailed data.

I can see the frequency of my walking by taking the steps as an example. In addition, it is suggested to check the option of "Show in Chart Summary", which can be viewed directly in the chart summary column in the future.

5. As shown below, you can see the frequency, distance and how many floors I climbed. For the current iPhone6 model, you can see the floor you climbed all day. If it's an iPhone5s, because there is no air pressure sensor, you can only see the number of steps and the distance.