Google Android doesn't reveal its secret sauce but it is widely understood that the store's ranking algorithm considers user ratings and the "long install" rate, or whether consumers keep the apps they have downloaded.
"In general, we've been really impressed by the install rate, " McIntosh said.
Meanwhile, it found that in-app video ads had a 10% higher install rate and 40% lower cost-per-install rate compared with its internal benchmark data on other ad formats.
The App Center, in the familiar way of app stores, gives students and teachers a quick way to find, install, rate and review apps.
On top of that they appear to be driving more actions, with a 14% higher install rate compared to Marketplace Ads.
Google says that it found that the install rate for Google Earth increased by a whopping 10% simply by moving it 100 pixels higher on the page.
Many people decided they'd just stay on iOS 5 until Google Maps hit the App Store, and iOS 6's install rate flattened.
Yozio claims that its tools helped Airbnb increase organic Android downloads by 300percentt in one month; Pinterest boost iPhone more than double app download rates; and Washio increase their referral campaign install rate to 25percentt from less than one percent.
SimilarWeb found that Snapchat has maintained a 25% install rate on all US Android devices after the tweet on February 21st, with active app users rising from 32percentthatat day to 33percentt on February 24th.
The install rate for our core search app is growing 50% quarter per quarter and we will continue to use different channels to build our product's presence," she said.
