Most Used SDKs in Top 200 Free iOS Apps

Bolts 120 Apps (60% of Top 200)

Bolts is a collection of low-level libraries designed to make developing mobile apps easier.

Google Ad Mob Ads Sdk 109 Apps (55% of Top 200)

Google AdMob Ads SDK.

Af Networking 106 Apps (53% of Top 200)

A delightful iOS and OS X networking framework.

Fbsdk Login Kit 106 Apps (53% of Top 200)

Official Facebook SDK for iOS to access Facebook Platform with features like Login, Share and Message Dialog, App Links, and Graph API

Fbsdk Core Kit 90 Apps (45% of Top 200)

Official Facebook SDK for iOS to access Facebook Platform's core features

Fbsdk Share Kit 88 Apps (44% of Top 200)

Official Facebook SDK for iOS to access Facebook Platform's Sharing Features

Fabric 88 Apps (44% of Top 200)

Fabric by Twitter, Inc.

Crashlytics 88 Apps (44% of Top 200)

Best and lightest-weight crash reporting for mobile, desktop and tvOS.

Answers 87 Apps (44% of Top 200)

Finally, mobile app analytics you don’t need to analyze.

Google Mobile Ads Sdk 65 Apps (33% of Top 200)

Monetize your mobile applications with Google ads

Fb Audience Network 59 Apps (30% of Top 200)

Facebook Audience Network Mobile App Ad SDK

Google Analytics 57 Apps (28% of Top 200)

Google Analytics - measure your app performance

Applozic 42 Apps (21% of Top 200)

Applozic Light weight CocoaPod for in-app messaging and chat SDK

Socket Rocket 41 Apps (21% of Top 200)

A conforming WebSocket (RFC 6455) client library.

Cocoa Lumberjack 40 Apps (20% of Top 200)

A fast & simple, yet powerful & flexible logging framework for Mac and iOS.

Jsq Web View Controller 39 Apps (20% of Top 200)

A lightweight Swift WebKit view controller for iOS

Fbsdk Messenger Share Kit 38 Apps (19% of Top 200)

Official Facebook SDK for iOS to integrate with Messenger