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iOS Real Time Chat & Messaging SDK

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iOS Chat SDK


Open source iOS Chat and Messaging SDK that lets you add real time messaging in your mobile (android, iOS) applications and website.

Signup at to get the App ID.

Works for both Objective-C and Swift.

It is a light weight Objective-C Chat and Messenger SDK.

Applozic One to One and Group Chat SDK


Sample Projects:


One to one and Group Chat

Image capture

Photo sharing

Location sharing

Push notifications

In-App notifications

Online presence

Last seen at

Unread message count

Typing indicator

Message sent, delivery report

Offline messaging

Multi Device sync

Application to user messaging

Customized chat bubble

UI Customization Toolkit

Cross Platform Support (iOS, Android & Web)

Getting Started

Create your Application

a) Sign up with applozic to get your App ID.

b) Once you signed up create your Application with required details on admin dashboard. Upload your push-notification certificate to our portal to enable real time notification.

c) Once you create your application you can see your App ID listed on admin dashboard. Please use same App ID explained in further steps.

Installing the iOS SDK

ADD APPLOZIC FRAMEWORK Clone or download the SDK ( Get the latest framework "Applozic.framework" from Applozic github repo sample project

Add framework to your project:

i) Paste Applozic framework to root folder of your project. ii) Go to Build Phase. Expand Embedded frameworks and add applozic framework.


Quickly Launch your chat

You can test your chat quickly by adding below .h and .m file to your project.



Change applicationID in ALChatManager and you are ready to launch your chat from your controller :)

Launch your chat

//Replace with your App ID in ALChatManager.h

#define APPLICATION_ID @"applozic-sample-app"

//Launch your Chat from your controller. ALChatManager * chatManager = [[ALChatManager alloc]init]; [chatManager launchChat: ];

Detail about user creation and registraion:


a) Send device token to applozic server:

In your AppDelegate’s *didRegisterForRemoteNotificationsWithDeviceToken *method send device registration to applozic server after you get deviceToken from APNS. Sample code is as below:

Swift ``` func application(application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: NSData) {

let characterSet: NSCharacterSet = NSCharacterSet(charactersInString: "<>")

let deviceTokenString: String = (deviceToken.description as NSString) .stringByTrimmingCharactersInSet(characterSet ) .stringByReplacingOccurrencesOfString(" ", withString: "") as String


if (ALUserDefaultsHandler.getApnDeviceToken() != deviceTokenString){

let alRegisterUserClientService: ALRegisterUserClientService = ALRegisterUserClientService()
alRegisterUserClientService.updateApnDeviceTokenWithCompletion(deviceTokenString, withCompletion: { (response, error) in
    print (response)


} ```

``` - (void)application:(UIApplication)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData) deviceToken {

const unsigned *tokenBytes = [deviceToken bytes];            
NSString *hexToken = [NSString stringWithFormat:@"%08x%08x%08x%08x%08x%08x%08x%08x",                 
ntohl(tokenBytes[0]), ntohl(tokenBytes[1]), ntohl(tokenBytes[2]),             
ntohl(tokenBytes[3]), ntohl(tokenBytes[4]), ntohl(tokenBytes[5]),             
ntohl(tokenBytes[6]), ntohl(tokenBytes[7])];              

NSString *apnDeviceToken = hexToken;
NSLog(@"apnDeviceToken: %@", hexToken);

//TO AVOID Multiple call to server check if previous apns token is same as recent one, if different call app lozic server.

if (![[ALUserDefaultsHandler getApnDeviceToken] isEqualToString:apnDeviceToken]) {                         
   ALRegisterUserClientService *registerUserClientService = [[ALRegisterUserClientService alloc] init];          
   [registerUserClientService updateApnDeviceTokenWithCompletion
   :apnDeviceToken withCompletion:^(ALRegistrationResponse
   *rResponse, NSError *error) {   

if (error) {
NSLog(@"Registration response from server:%@", rResponse);
}]; } }

b) Receiving push notification:

Once your app receive notification, pass it to applozic handler for applozic notification processing.


func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject], fetchCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {

let alPushNotificationService: ALPushNotificationService = ALPushNotificationService()
let applozicProcessed = alPushNotificationService.processPushNotification(userInfo, updateUI: application.applicationState == UIApplicationState.Active) as Bool

//IF not a appplozic notification, process it

if (applozicProcessed) { //Note: notification for app }

} ```

``` - (void)application:(UIApplication)application didReceiveRemoteNotification:(NSDictionary)dictionary {

NSLog(@"Received notification: %@", dictionary);
ALPushNotificationService *pushNotificationService = [[ALPushNotificationService alloc] init];
BOOL applozicProcessed = [pushNotificationService processPushNotification:dictionary updateUI: [[UIApplication sharedApplication] applicationState] == UIApplicationStateActive];

//IF not a appplozic notification, process it            
if (!applozicProcessed) {                
     //Note: notification for app          
} }                                                           

c) Handling app launch on notification click :


func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {

// Override point for customization after application launch. let alApplocalNotificationHnadler : ALAppLocalNotifications = ALAppLocalNotifications.appLocalNotificationHandler(); alApplocalNotificationHnadler.dataConnectionNotificationHandler();

if (launchOptions != nil) {

let dictionary = launchOptions?[UIApplicationLaunchOptionsRemoteNotificationKey] as? NSDictionary

if (dictionary != nil) {
    print("launched from push notification")
    let alPushNotificationService: ALPushNotificationService = ALPushNotificationService()

    let appState: NSNumber = NSNumber(int: 0)
    let applozicProcessed = alPushNotificationService.processPushNotification(launchOptions,updateUI:appState)
    if (applozicProcessed) {
        return true;


return true }

  • (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

// Override point for customization after application launch.
NSLog(@"launchOptions: %@", launchOptions);
if (launchOptions != nil) {

NSDictionary *dictionary = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey];
if (dictionary != nil) { NSLog(@"Launched from push notification: %@", dictionary);
ALPushNotificationService *pushNotificationService = [[ALPushNotificationService alloc] init];
BOOL applozicProcessed = [pushNotificationService processPushNotification:dictionary updateUI:NO];
if (!applozicProcessed) {
//Note: notification for app
} } }
return YES;


For advanced options and customization, visit Applozic iOS Chat & Messaging SDK Documentation

Sample source code in Objective-C to build messenger and chat app

Sample source code in Swift to build messenger and chat app

How to add chat sdk source code in your xcode project


We provide support over at StackOverflow when you tag using applozic, ask us anything.

Applozic is the best ios chat sdk for instant messaging, still not convinced? Write to us at [email protected] and we will be happy to schedule a demo for you.

Free iOS Chat SDK - Supports both Objective-C and Swift

Special plans for startup and open source contributors, write to us at [email protected]

Github projects

Android Chat SDK

Web Chat Plugin

iOS Chat SDK

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