Your users are churning. AI can bring them back.

Autonomous lifecycle marketing orchestrates the campaigns to onboard, engage, and retain users.

One engine. Every stage of the lifecycle.

Drive LTV and reduce churn without the manual effort. Define your brand guardrails and let OneSignal AI handle the rest, including drafting, sending, testing, and optimizing.

1 in 4

App publishers use OneSignal

1.3 Trillion

Messages sent a year

1.5 Billion

MAU powered by OneSignal

200k

Apps powered by OneSignal

Onboard

Turn signups into activated users

Fintech growth teams watch too many users stall before making a first deposit. First-week activation is the metric on the line.

Engage

Build the habits that matter

Gaming studios ship new game modes, but most players never try it. Generic blasts only train them to tune out notifications.

Retain

Catch churn before it happens

A health & wellness app loses users silently—they don't cancel, they fade. By the time renewal fails, it's too late.

Rated 4.7 stars out of 5 on G2

Real results from teams like yours

From mobile gaming to fintech, OneSignal customers don't just send messages. They activate users, build habits, and grow revenue

“We use OneSignal because it’s simple to use and there’s the possibility of scaling campaigns.”
Beach Bum Games uses OneSignal to re-engage players and boost retention across their entire portfolio
+250%
Click-through rates
+140%
Paid user reactivation

“I love OneSignal AI. It took what used to take hours of manual reporting and gave me the answer in 10 seconds.”
Bitcoin.com turns messaging into a growth lever—engaging, educating, and launching new features seamlessly
+15%
Average daily transaction attempts
+11%
Average daily completed transactions

“The quality of the service is very good, what we’re doing is performing very well, and the platform is easy to use.”
From onboarding to re-engagement, Betmate uses OneSignal Journeys to deliver the right message at every step
+600%
MAU (unique, paying users)
+625%
User spending per month

Connect to your stack

Start with an AI prompt or drop in our SDKs for Android, iOS, Flutter, React Native, Expo, and Unity. No complex setup. Just fast integration that gets your lifecycle messaging live the same day.

// Initialize SDK during app bootstrapping
package com.onesignal.sample.android
import android.app.Application
import com.onesignal.OneSignal
class MainApplication : Application() {
    override fun onCreate() {
        super.onCreate()
        OneSignal.initWithContext(this, "APP_ID")
    }
}

import SwiftUI
import DotEnv
import OneSignalFramework
@main
struct MyApp: App {
    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate

var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}
class AppDelegate: UIResponder, UIApplicationDelegate, OSInAppMessageLifecycleListener {
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool {
        let env = DotEnv(withFile: ".env")
        env.load()

OneSignal.initialize(env.get("ONESIGNAL_APP_ID"), withLaunchOptions: launchOptions)

return true
    }
}

import 'package:flutter/material.dart';
import 'package:onesignal_flutter/onesignal_flutter.dart';

void main() {
  runApp(const MyApp());
}
class MyApp extends StatelessWidget {
  const MyApp({super.key});
  @override
  Widget build(BuildContext context) {
    LiveActivitiesManager.register();
    OneSignal.initialize("<<YOUR_APP_ID>>");
    OneSignal.Notifications.requestPermission(true);
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

import * as React from 'react';
import { APP_ID } from '@env';
import { OneSignal} from 'react-native-onesignal';
class OS extends React.Component<Props, State> {
  constructor(props: Props) {
    super(props);
    this.state = { };
  }
  async componentDidMount() {
    OneSignal.initialize(APP_ID);
  }
}

using System;
using UnityEngine;
using UnityEngine.UI;
using OneSignalSDK;
public class ExampleBehaviour : MonoBehaviour {
    public OSConfigData configData;
    public string externalId;
    private void Start() {
        OneSignal.Initialize(configData.appId);
    }
    private void _userStateChanged(object sender, UserStateChangedEventArgs e) { }
    public void LoginUser() { OneSignal.Login(externalId); }
    public void SetExternalIdString(string newVal) => externalId = newVal;
}

Integrations for smarter engagement

Connect OneSignal to your analytics, CDP, warehouse, and CRM to make lifecycle outcomes easier to measure and improve.

Scale confidently with proven reliability

OneSignal makes reaching customers seamless and scalable. Powering billions of messages daily, we help businesses of all sizes connect with their audiences in real time — across push, email, SMS/RCS, and in-app messaging — anywhere in the world.

Keep more of the users you earn

Push, email, SMS/RCS, and in-app messaging in one platform. Free to start, built to scale.