MSFT App Store

Microsoft boasts that its Windows Store now has 669,000 apps for phones, tablets and PCs, and hundreds more join the party each day.

The app ecosystem can make or break a platform, as it plays a tremendous role in users' choice to stick with one operating system or flee to another. Android and iOS have huge app ecosystems and are the top two mobile platforms. Others such as Windows Phone and BlackBerry, for instance, saw many users switch to Android or iOS because they wanted more apps available. Android offers 1.6 million apps, while Apple offers 1.5 million.

Microsoft promised a big change with its latest Windows 10 OS and its universal apps, pledging to significantly widen the app ecosystem and allow apps to run on phones, tablets and PCs alike.

The company has now updated its Microsoft by the Numbers site, revealing that it currently has 669,000 apps in the Windows Store and it's adding "hundreds more each day."