Most Used SDKs in Top 200 Free iOS Apps

Unity3D 48 Apps (24% of Top 200)

Unity 3D tool has features such as visual editor, multi-platform game build support, full and robust scripting and animation system to provide robust development for high-quality games and apps. Unity3D is a powerful cross-platform 3D engine and a user friendly development environment. Easy enough for the beginner and powerful enough for the expert.

Protobuf 46 Apps (23% of Top 200)

Protocol Buffers are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data. Protocol Buffers currently support generated code in Java, Python, Objective-C, and C++

AppLovin 46 Apps (23% of Top 200)

AppLovin offers a comprehensive platform where app developers of all sizes can connect with their ideal consumers and get discovered.

Godzippa 44 Apps (22% of Top 200)

Godzippa library is no longer being maintained as of iOS13+ and macOS 10.15+, as the Foundation provides equivalent functionality through APIs like compressed(using:) and decompressed(using:). Godzippa regardless is still available to developers and can easily be implemented via its repo.

WhatsApp 42 Apps (21% 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.

AddLive 40 Apps (20% of Top 200)

AddLive provides a simple and convenient way to integrate live video, voice and text chat into applications by supplementing the emerging open WebRTC standard. It allows developers to add high quality, low latency, video conferencing to an app where, instead of users calling each other, they connect to the same scope on a server.

Applozic 39 Apps (20% of Top 200)

Applozic provides you with chat SDKs and messaging APIs to build Realtime Messaging experiences on your applications. Applozic makes provision for running on the cloud always available, continuously upgraded and auto-scaled to meet your needs.

Twitter 38 Apps (19% of Top 200)

Using the Twitter API requires an authorized Twitter App and authenticated requests. The Twitter API supports a few authentication methods depending on the endpoint.

Firebase Remote Config 37 Apps (19% 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.

Naver 35 Apps (18% 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.

Inneractive 35 Apps (18% of Top 200)

SD Web Image 33 Apps (17% of Top 200)

SD WebImage is a library that provides an asynchronous image downloader with memory and disk image caching. It includes categories for user interface elements such as UIImageView, UI Button, and MKAnnotationView.

IN Mobi 32 Apps (16% of Top 200)

InMobi helps brands to fully maximize the market place by helping to identify, engage and acquire new customers. InMobie is lightweight and allows you to start monetizing your app directly or programmatically.

Google Sign In 31 Apps (16% of Top 200)

API to add official Google signin to you iOSapp. Objective-C and Swift.

Answers 30 Apps (15% of Top 200)

Answers provides realtime statistics on how the app is being used such as number of active users, session length, stability rating, and retention. Answers is one of the modular kits contained within Fabric and it is strongly suggested to be installed via Crashlytics.

Branch 30 Apps (15% 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.

Fabric 30 Apps (15% of Top 200)

Fabric is a mobile platform with three modular kits, Answers, Beta, and Crashlytics. The Answers SDK provides realtime analytics and event tracking, Beta allows for app distribution for beta testing, and Crashlytics provides detailed crash reporting.

Bytedance UnionAD 30 Apps (15% of Top 200)

Bolts 29 Apps (14% of Top 200)

Bolts is a collection of low-level libraries designed to make developing mobile apps easier. These libraries, originally created by Facebook and Parse, have been open sourced and made available to others without a mandatory Facebook developer or Parse affiliation. Bolts includes "tasks", which make organization of complex asynchronous code more manageable, and an implementation of the App Links Protocol, which helps link content in other apps.

Fyber 29 Apps (14% of Top 200)

The Fyber Ad Monetization SDK.