Most Used SDKs in Top 200 Free iOS Apps

Transition Kit 1 Apps (1% of Top 200)

Transition Kit is an Objective-C library for elegantly implementing state machines. Transition Kit is full-featured, completely documented, and very thoroughly unit tested. State machines are a great way to manage complexity in your application and TransitionKit provides you with an elegant API for implementing state machines in your next iOSor Mac OS X application.

Tutu Cloud 1 Apps (1% of Top 200)

TutuCloud is a platoform that offers Image, short video, and Live SDK support for your iOSapplications. TutuCloud is a great option when looking into face ID, camera, and other security centric integrations into your applications.

TS Messages 1 Apps (1% of Top 200)

TSMessages is a library provides an easy to use class to show little notification views on the top of the screen. TSMessages provides 4 different notification banners that are already set up for you: Success, Error, Warning, and Message.

TT Open IN App Activity 1 Apps (1% of Top 200)

TTOpenInAppActivity is a UIActivity subclass that provides an "Open In ..." action to a UIActivityViewController. TTOpenInAppActivity uses ARC and requires iOS6.

TW Reverse Auth 1 Apps (1% of Top 200)

TWReverseAuth is a OAuth for Twitter using reverse auth and ACAccount in case your server needs to talk to twitter as well. TWReverseAuth is opensource and accessible via its github repo.

UA Filterable Results Controller 1 Apps (1% of Top 200)

UAFilterableResultsController is an implementation of a NSFetchedResultsController-style pattern using NSMutableArray as the backing store instead of Core Data. UAFilterableResultsController provides methods for manipulation and filtering of the store.

UI Alert View+Blocks 1 Apps (1% of Top 200)

UIAlertView+Blocks is a category on UIAlertView to use inline block callbacks instead of delegate callbacks. UIAlertView was created in a time before blocks, ARC, and judging by its naming – touch screens too.

Text Field Effects 1 Apps (1% of Top 200)

Custom drop in UITextFields effects.

THE Amazing Audio Engine 1 Apps (1% of Top 200)

TheAmazingAudioEngine is a sophisticated framework for iOSaudio applications.

Touch JSON 1 Apps (1% of Top 200)

TouchJSON is one of the several tools developed by Jonathan Wright strictly for the iOSplatform. TouchJSON is an Objective-C based parser for JSON encoded data. However, even though the tool has been rendered deprecated due to iOSnow offering JSON patches in the newer OS editions, TouchJSON is still the go-to choice when building apps with support for iOS5 and later devices.

Twitter Text 1 Apps (1% of Top 200)

Twitter-text is an Objective-C port of the twitter-text handling libraries. Twitter-text supports OS X 10.7+ and iOS4+, both ARC and non-ARC environments.

To Web View Controller 1 Apps (1% of Top 200)

TOWebViewController is an inline browser view controller that allows users to view and navigate web pages from within an app. TOWebViewController works with iOS5 and up.

TU Safari Activity 1 Apps (1% of Top 200)

TUSafariActivity is a UIActivity subclass that opens URLs in Safari. TUSafariActivity provides an "Open In Safari" action to a UIActivityViewController. TUSafariActivity can be easily used if you alloc/init an instance of TUSafariActivity and pass that object into the applicationActivities array when creating a UIActivityViewController.

UI Image PDF 1 Apps (1% of Top 200)

UIImage+PDF provides a UIImage class category method that helps render a UIImage from any PDF stored in the application bundle.

UI Table View FD Template Layout Cell 1 Apps (1% of Top 200)

UITableView-FDTemplateLayoutCell is a template auto layout cell with automatic UITableViewCell height calculating.

UI Text View+Placeholder 1 Apps (1% of Top 200)

UITextView+Placeholder is a missing placeholder for UITextView. UITextView+Placeholder is licensed under MIT and can easily be implemented via cocoapods by inputing "pod 'UITextView+Placeholder'".

UI Scroll View (Infinite Scroll) 1 Apps (1% of Top 200)

UIScrollView (InfiniteScroll) is an Infinite scroll implementation as a category for UIScrollView. In using UIScrollView (InfiniteScroll) it is essential you note that this category swizzles setContentOffset and setContentSize on UIScrollView. It can be through cocoapods by simply adding pod 'UIScrollView-InfiniteScroll', '~> 1.1.0' to your pods file.

UI Text Sub Class 1 Apps (1% of Top 200)

UITextField/UITextView SubClass library.

UMeng 1 Apps (1% of Top 200)

UMeng analytics SDK for iOS.

vfrReader 1 Apps (1% of Top 200)

PDF Reader Core for iOS