The Dropbox iOS X SDK in Objective-C provides developers access to Dropbox for integration with other applications and devices. Dropbox is a file storage, sharing, and synching service that allows users to store, share, and sync their files.
Box expanded its Mobile SDK strategy by announcing a new Preview SDK for Android. Box's Preview SDK allows developers to collaborate and test various features without downloading content or installing desktop apps. The SDK supports over 120 file types; including audio, video, image and more.