September CPI Surges on iOS, Google Play and Amazon

The leaves may be falling, but average CPIs on all three platforms on the Chartboost Network in September are rising. The average CPIs for iOS were up 7.1%, up 9.2% for Google Play and up 19% for Amazon.

Average CPIs for All iOS Devices Up, Back-to-Back MonthsSummary

• iPad: CPI up to $3.30 (+8.5%)
• iPhone: CPI up to $2.69 (+5%)
• iPod touch: CPI up to $1.83 (+11.4%)

For the second straight month, we saw month-over-month growth across all iOS device types. iPod touch average CPIs exhibited the most growth, increasing 11.4% from $1.64 in August to $1.83 in September. Among the top 10 countries by average iOS CPIs, emerging market Russia and soft-launch favorite Canada displayed the greatest growth, advancing 18% and 14%, respectively.Google Play Average CPI Shows Growth in Most CountriesSummary

• Google Play: CPI up to $1.30 (+9.2%)

Average CPIs for Google Play experienced robust growth in most countries in September. South Korea, however, felt average CPIs drop 21% month-over-month to $1.15. With South Korea?s average CPI increasing 55% in August, it wasn?t unexpected for the average CPI to taper off in September. The countries that spearheaded Google Play?s average CPI growth included Canada (up 52% to $2.46), Germany (up 33% to $2.33) and the UK (up 30% to $2.02).Amazon Average CPI Catches FireSummary

• Amazon: CPI up to $2.42 (+19.3%)

Average CPIs for Amazon were on fire in September (pun intended). The top 10 countries by average CPIs for Amazon were all up month-over-month. In particular, average CPIs swelled by 19% in the US, 14% in the UK and 37% in Mexico.With Apple potentially recording 20 million iPhone 6 sales, we expected advertisers to bid slightly more for installs on iPhones. While we saw iPhone bids increase in September, it looks like bids rose for every platform, showing that seasonality had a stronger effect on average CPIs in our Network than the iPhone 6 release.Chartboost CPI InsightsCheck out CPI trends for more countries on Chartboost Insights.The shared CPI figures are averages from our Network and should be used for guidance only.