Top free iPhone app devs paying $1.81 in marketing per loyal user

Fiksu, a mobile marketing firm, released some interesting data on how much money top iPhone app developers are spending on promoting their creations. After looking at the top 200 free iPhone App Store for December, the average cost to get someone to run an app more than three times is $1.81.

Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/4cIjAp520TQ/story01.htm

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