Branch.io

Overview

Branch.io provides a suite of tools for mobile app developers and marketers focused on user acquisition, engagement, and measurement. Its core offering revolves around deep linking and mobile attribution, aiming to create seamless user experiences and provide data-driven insights into app performance. Deep links created with Branch.io are designed to be universal, functioning across various platforms (iOS, Android, web) and directing users to specific in-app content, even if the app is not yet installed. This capability supports use cases such as personalized onboarding, content sharing, and directing users from marketing campaigns directly to relevant app sections.

For developers, Branch.io offers comprehensive SDKs that integrate into existing mobile applications. These SDKs handle the complexities of link routing, deferred deep linking (where a user is directed to content after installing the app), and attributing installs and in-app events to their originating sources. The platform supports a range of mobile development frameworks, including native iOS and Android, React Native, Flutter, and Unity, allowing integration into diverse project types. Developers can utilize Branch.io's APIs to programmatically create and manage links, retrieve attribution data, and integrate with other marketing or analytics systems. The developer experience is supported by detailed documentation covering SDK integration, API references, and testing tools for verifying deep link behavior and attribution accuracy.

Beyond technical implementation, Branch.io's platform includes analytics and user journey mapping features. This allows businesses to track the effectiveness of their marketing channels, understand user behavior patterns, and optimize campaigns based on real-time data. For instance, a developer might use Branch.io to track which ad campaign led to a specific in-app purchase, or how many users installed the app after clicking a shared content link. The platform also offers features like Universal Ads for managing ad campaigns and Journeys for creating custom user onboarding experiences. These tools are designed to provide a comprehensive view of the mobile user lifecycle, from initial discovery to sustained engagement, and are particularly suited for applications that rely heavily on marketing, referrals, or personalized content delivery.

Key features

• Deep Linking: Creates universal links that direct users to specific content or pages within an app, regardless of whether the app is installed, supporting deferred deep linking after installation.
• Mobile Attribution: Measures the effectiveness of marketing channels by attributing app installs and in-app events to their original sources, such as ads, emails, or referrals.
• Universal Ads: A platform for managing and optimizing mobile ad campaigns by providing a unified view of performance across various ad networks.
• Journeys: Enables the creation of personalized user onboarding flows and intelligent content delivery based on user acquisition source and behavior.
• Personalized Onboarding: Delivers tailored first-time user experiences by leveraging deep link data to pre-fill information or guide users to relevant sections of the app immediately after install.
• Analytics & Reporting: Provides dashboards and reports to visualize app performance metrics, user engagement, and the efficacy of deep links and marketing campaigns.
• Fraud Detection: Incorporates mechanisms to identify and mitigate mobile ad fraud, helping ensure accurate attribution data.
• Cross-Platform SDKs: Offers software development kits for major mobile platforms and frameworks, facilitating integration into diverse app environments.

Pricing

Branch.io offers a tiered pricing structure that includes a free tier and custom enterprise options. The details below are based on information available as of May 2026.

For precise and up-to-date pricing information, including specific feature breakdowns per tier, refer to the official Branch.io pricing page.

Common integrations

• Firebase: Integrate Branch.io with Firebase Analytics to combine attribution data with Firebase's event tracking and user segmentation.
• Segment: Connect Branch.io to Segment for unified customer data collection and routing to various marketing and analytics tools.
• Adjust: Although a competitor in mobile attribution, some developers may integrate Branch.io's deep linking with Adjust's attribution for specific use cases, or migrate between the two.
• Stripe: Use Branch.io deep links to guide users to specific product pages or checkout flows within an app that uses Stripe for payments.
• CRM Systems: Integrate attribution data with CRM platforms like Salesforce or HubSpot to enrich customer profiles and personalize outreach.
• Email Marketing Platforms: Embed Branch.io deep links in email campaigns to direct users from marketing emails directly into relevant app content.

Alternatives

• AppsFlyer: A mobile attribution and marketing analytics platform offering similar attribution, deep linking, and fraud detection capabilities.
• Adjust: Provides mobile measurement, fraud prevention, and analytics solutions for app marketers, focusing on data privacy and security.
• Kochava: Offers mobile attribution, analytics, and optimization tools, with a strong emphasis on data-driven marketing and user acquisition.
• Singular: Combines attribution, cost aggregation, and analytics to provide a unified marketing intelligence platform.
• Firebase Dynamic Links: A Google-provided solution for creating deep links that work across platforms and survive app installs, offering similar deep linking functionality within the Firebase ecosystem.

Getting started

To integrate Branch.io into an iOS application using Swift, you typically begin by installing the Branch SDK and then initializing it within your app delegate. This example demonstrates a basic setup for handling deep links.

import UIKit
import Branch

@main
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Initialize Branch
        Branch.setBranchKey("key_live_YOUR_BRANCH_KEY") // Replace with your actual Branch key
        Branch.getInstance().initSession(launchOptions: launchOptions) { (params, error) in
            if error == nil && params != nil {
                // params will be non-nil if a deep link was opened
                print("Branch Deep Link Params: \(params as! [String: AnyObject])")
                if let url = params?["$deeplink_url"] as? String {
                    // Handle your deep link URL here
                    print("Received deep link URL: \(url)")
                    // Example: Navigate to a specific view controller
                    // self.handleDeepLink(url: url)
                }
            }
        }

        return true
    }

    // Required for handling deep links from Universal Links
    func application(_ application: UIApplication, continue userActivity: NSUserActivity, restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool {
        Branch.getInstance().continue(userActivity)
        return true
    }

    // Required for handling deep links from custom URI schemes (iOS 9.0+)
    func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
        Branch.getInstance().application(app, open: url, options: options)
        return true
    }

    // Add other AppDelegate methods as needed
}

This Swift code snippet illustrates the fundamental steps for setting up Branch.io in an iOS application. After initializing the SDK with your live Branch key, the initSession callback receives deep link parameters, allowing your application to process the incoming link and navigate the user accordingly. The continue userActivity and open url methods are essential for ensuring that Branch.io can properly intercept and handle Universal Links and custom URI schemes, respectively. For detailed platform-specific integration guides and advanced configurations, refer to the Branch.io iOS SDK documentation.