step counter (pedometer) app question

[spatterfree]

Hi,
is there an app for iPhone that shares my actual steps with friends? used run keeper, garmin, steps and few others in the past but never saw one that could do that. let me know,

 

[Just_Me_D]

The Activity app on the iPhone has the share option.

 

[spatterfree]

i want it in real time, where friends can compare anytime of the day.