Most Used SDKs in Top 200 Free iOS Apps

Google Utilities 51 Apps (26% of Top 200)

Google utilities are several tools made available by Google to developers and other individuals to use on permission. These tools range from Google Sheets, Google Docs, Google Slides, and Google Maps, to name a few.
WhatsApp 46 Apps (23% of Top 200)

Whatsapp is a web-based mobile messaging platform that can be easily implimented into any app. The Whatsapp messaging SDK runs on iOS8 and later.
FL Animated Image 44 Apps (22% of Top 200)

FLAnimatedImage is a performant animated gif engine for iOSthat cna play multiple gifs with a play back speed that comparable to the speed of a computer. FLAnimatedImage is good for apps that do not yet support gifs or apps that want higher performance.
Swift 43 Apps (22% of Top 200)

Swift is a powerful and intuitive programming language for macOS, iOS, watchOS and tvOS. Writing Swift code is interactive and fun, the syntax is concise yet expressive, and Swift includes modern features developers love. Swift code is safe by design, yet also produces software that runs lightning-fast.
AppsFlyer 41 Apps (21% of Top 200)

AppsFlyer offers you an amazing tool that allows you track customer experience and preference inorder to make better marketing decisions. The AppFlyers tool offers you top of the line marketing analytics that are guaranteed to improve your overall performance with over 2000 integrations for your mobile applications whether game, ecommerce or travel inclined.
Google Maps 41 Apps (21% of Top 200)

Google Maps iOSSDK offers the opportunity to add maps data to your application. Google Maps SDK automatically handles access to the Google Maps servers, map display, and response to user gestures with the option to add markers, polylines, ground overlays, and info windows to your map.
Branch 38 Apps (19% of Top 200)

Branch is a mobile measurement and deep linking platform that allows for links to work on any platform or channel. Branch has good customer experience, good atribution data, and intergrates email providers, social platforms, data analytics tools, and ad networks.
Google Sign In 37 Apps (19% of Top 200)

API to add official Google signin to you iOSapp. Objective-C and Swift.
Naver 37 Apps (19% of Top 200)

Naver is a collection of APIs including, Clover Platform, Papago, Naver Maps, and Naver Login. Navers APIs have multiple use cases including, voice technologies and services, translation, and location-based applications.
Alamofire 36 Apps (18% of Top 200)

Alamofire is an HTTP networking library written in Swift. In order to keep Alamofire focused specifically on core networking implementations, additional component libraries have been created by the Alamofire Software Foundation.
MB Progress Hud 35 Apps (18% of Top 200)

MBProgressHUD is an iOSdrop-in class that displays a translucent HUD with an indicator or labels while work is being done in a background thread. The HUD is meant as a replacement for the undocumented, private UI kit, UIProgressHUD, with some additional features.
Pinterest 35 Apps (18% of Top 200)

Pinterest helps you easily integrate your iOSapps with Pinterest. It allows you make authentications and requests on behalf of the users.
FMDB 34 Apps (17% of Top 200)

FMDB library by using some simple examples in a small demonstrative app, will implement next. Focusing on the FMDB library now only, this one is actually a SQLite wrapper, meaning that it provides us with the SQLite features in a higher level so we don’t have to deal with the connection stuff.
Google Mobile ADS 34 Apps (17% of Top 200)

Google Mobile Ads enables publishers to monetize their mobile app through in-app advertising. It features streamlined APIs that provide access to mobile ad networks and advertising solutions. The Google AdMob SDK is a component of Google Mobile Ads.
Firebase Remote Config 34 Apps (17% of Top 200)

Firebase Remote Config is a cloud service that lets you change the appearance and behavior of your app without requiring users to download an app update. Firebase Remote Config is open source and let's you create in-app default values that control the behavior and appearance of your app with the potential to use the Firebase console or the Remote Config REST API to override in-app default values for all app users or for segments of your user base.
SS Zip Archive 33 Apps (17% of Top 200)

ZipArchive is a simple utility class for zipping and unzipping files on iOSand Mac. SSZipArchive is a very useful wrapper on top of minizip, an open source C library for zipping and unzipping files.
Pin Cache 32 Apps (16% of Top 200)

PINCache is a fast, thread safe, parallel object cache for iOS, tvOS, and OS X. It is a key/value store designed for temporary objects that are expensive to reproduce, such as downloaded data or the results of slow processing.
Cocoa Lumberjack 30 Apps (15% of Top 200)

CocoaLumberjack is one of the most popular logging frameworks available for iOSdevelopment and testing. It is specifically designed for. It is fast and simple, yet powerful & flexible logging framework for Mac and iOS.
Masonry 30 Apps (15% of Top 200)

Masonry is a light-weight layout framework that allows for better code readability when wrapping Autolayouts. Masonry comes with its own DSL and provides a chainable way of describing NSLayoutConstraints resulting in more readable and concise layout code.
Facebook Messenger Share Kit 29 Apps (14% of Top 200)

Sharing tool for Facebook messenger SDKs. Facebook plans to launch a "lighter, better, simpler" Messenger for iOSand Android. From August 15, 2019 and on, updated versions of the app will not support Share to Messenger SDK. Developers will need to make changes to adjust.