The AppsFlyer SDK is a powerful tool that enables mobile app developers to measure, analyze, and optimize their app marketing efforts. With AppsFlyer, developers can track user acquisition, in-app events, and user engagement, providing valuable insights to drive app growth and revenue.


  • Accurate mobile attribution
  • Real-time campaign data reporting
  • Advanced in-app event tracking
  • Deep linking support
  • User cohort analysis
  • Fraud detection and prevention
  • A/B testing capabilities
  • Smart banners and dynamic remarketing
  • Powerful in-app deep linking


Step 1: Add the AppsFlyer SDK to your project

To get started with AppsFlyer, follow these steps:

  1. Open your Xcode project and go to File > Add Files to “Your_Project_Name”.
  2. Navigate to the folder where you downloaded the AppsFlyer SDK and select the AppsFlyerLib.framework file.
  3. Make sure to check the box next to “Copy items if needed” and click Add.

Step 2: Configure your project settings

Next, you need to configure your project settings to integrate the AppsFlyer SDK:

  1. Go to your project’s Build Settings and search for Other Linker Flags.
  2. Add the following flag:


  1. Locate the Info.plist file in your project and add the following lines:



Step 1: Initialize the SDK

Before using any AppsFlyer features, you need to initialize the SDK with your AppsFlyer Dev Key. Add the following code to your AppDelegate.m file:

#import "AppDelegate.h"
#import "AppsFlyerLib.h"

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
[AppsFlyerLib shared].appsFlyerDevKey = @"YOUR_APPSFLYER_DEV_KEY";
[AppsFlyerLib shared].appleAppID = @"YOUR_APPLE_APP_ID";
// Additional configuration if needed

return YES;


Step 2: Track in-app events

To track an in-app event, use the following code snippet:

[[AppsFlyerLib shared] trackEvent:@"EVENT_NAME" withValues:@{@"KEY": @"VALUE"}];

Documentation and Support

To learn more about the AppsFlyer SDK and its various features, check out the official documentation. If you encounter any issues or have questions, you can also reach out to the AppsFlyer support team for assistance.


The AppsFlyer SDK is an essential tool for mobile app developers looking to optimize their marketing efforts and maximize their app’s growth. By integrating AppsFlyer, developers gain access to powerful tracking, analyzing, and optimization features, allowing them to make data-driven decisions and drive app success.