In June 2017, at the Worldwide Developers Conference (WWDC17), Apple announced their first plunge into augmented reality with the introduction of ARKit, a new framework on iOS for creating AR experiences for iPhone and iPad. Although new, it is being rapidly adopted and promises to be a leading platform for augmented reality, albeit limited to Apple devices and not for image target or marker-based applications.
For some of your projects, you can use the Apple ARKit for iOS instead of a general-purpose toolkit, such as Vuforia or ARToolkit. While Vuforia, for example, is best a target-based AR, ARKit is especially good at anchoring virtual objects in real-world 3D space and recognizing surfaces in the real world. ...