GoPro on Tuesday announced the availability of its new Hero3+ line of cameras with lighter design, new video functions, better optics and longer battery life, as well as an update to the company's iOS app that allows for remote viewing and control.

The new GoPro Hero3+ line features a number of improvements over its predecessors, most notably in terms of design. The Hero3+ Black Edition features a new housing that is 20 percent smaller and lighter than previous models, and comes with a waterproof case rated down to 40 meters. The Black Edition also has 30 percent longer battery life, Wi-Fi that is four times faster for interacting with an iOS device or the included remote control, and a new "SuperView" mode that captures an immersive wide-angle perspective.

The Hero3+ Silver Edition is billed as two times more powerful than its predecessor. The image processor in the Hero3+ is twice as fast as the Hero3, and the device can capture 1080p video at 60fps and 720p video at 120fps. It, too, has a reworked housing that is 15 percent smaller and lighter than its original. Like the Black Edition, it also features faster Wi-Fi for interacting with an iOS device.

GoPro also updated its GoPro App in the iOS App Store to take advantage of these two new devcies. The newest version of GoPro App adds compatibility with the company's just-announced Hero3+ line of cameras. Hero3+ owners can see previews in near real-time, and they can also control camera settings, including SuperView, Auto Low Light, and 2.7K Medium FOV video.

Version 2.2 of the Go Pro app is available as a free download in the App Store. The 16.1MB app requires an iPhone, iPad, or iPod running iOS 6.0 or higher.