More than 30 % of apps are uninstalled on iOS and Android devices across the world , according to a report by AppsFlyer , with success rates exceeding those of its Apple counterparts , thanks to smaller storage space on the lower - cost smartphones . The report also found games were the most uninstalled apps , while Chinese users were 5 % less likely to uninstall , suggesting greater engagement with users was required to ensure app retention . Here are the highlights from the report: The findings from the study reiterate the importance for developers, publishers, and marketers to ensure they're taking action to keep users engaged. The paper predicted US post - launch ad revenue would reach more than $ 5000 by 2020 .
More than 30 % of apps are uninstalled on iOS and Android devices across the world , according to a report by AppsFlyer , with success rates exceeding those of its Apple counterparts , thanks to smaller storage space on the lower - cost smartphones . The report also found games were the most uninstalled apps , while Chinese users were 5 % less likely to uninstall , suggesting greater engagement with users was required to ensure app retention . The paper predicted US post - launch ad revenue would reach more than $ 5000 by 2020 .