![iOS7 Challenge App Concept](https://pixelpapa.com/wp-content/uploads/2018/11/ios7-challenge-app-psd-580x435.jpg)
iOS7 Challenge App Concept is a clean and elegant concept of an iOS7 app for challenging friends including two screens. You can use this in anything but it quite enjoyable to use this in a game apps. Free PSD created and released Olia Gozha.
http://dribbble.com/shots/1428271-iOS7-Challenge-App/attachments/209735
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