iOS vs Android Market Share & Revenue: One Win for Each App Store in 2015

Apple and Google both saw gains for their respective app stores over 2015, but each dominated one specific metric over the other. For Apple's iOS App Store, the biggest win was in revenue. For Google's Play Store (Android), it excelled in growth and market share.

Android vs. iOS: Google OS to Pass 1 Billion Shipments in 2014, Predict Analysts

If trends continue, Google's Android shipments this year could surpass the magical number of 1 billion.
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