The newest version of Apple's mobile OS didn't get off to as fast a start as its predecessor, but it's picking up steam.
Greg Joswiak, vice president of iPhone, iPod and iOS product marketing, also says the iOS 8.0.1 bug, which caused phones to lose connectivity, was because of how the operating system was delivered, not because of the software itself.
The new beta also offers performance enhancements and one change that affects the iOS 8 Health app, says AppleInsider.
The new figure shows steady but slow growth from the 46 percent reported by Apple more than a month ago.
The update, which became available for download Monday, adds support for Apple Pay, brings back the camera roll and launches the iCloud photo library.
The tech giant announces it will "bring back the beloved camera roll" with its upcoming update for iOS 8, along with Apple Pay support and other new features for photo library.
Apple's iPhone 6 launch gets rocked by the iOS 8.0.1 update, and the iPhone 6 Plus can be bent in your pocket.
A bug in Apple's release of iOS 8.0.1 has broken iPhone 6 and iPhone 6 Plus devices. Here's how you can fix them.
The percentage of users updating to Apple's latest mobile OS has remained virtually flat since September 21, which was four days after its release.
Apple pulls iOS 8.0.1 due to a major software glitch, and users get out of shape over accidentally bending the iPhone 6 Plus. Meanwhile, BlackBerry continues to fight on with the square Passport phone.