In App Update

Functions to control the in app update options in the app.

You'll need to import the javascript file in your website before starting from this link.

Plain Javascript

const { InAppUpdate } = window.WTN;

InAppUpdate.checkIfAppUpdateAvailable({
    callback: function(data) {
        //your logic
    }
});

InAppUpdate.updateApplication({
    updateType: "immediate", //immediate or flexible
    callback: function(data) {
        
    }
});

ES5+

In checkIfAppUpdateAvailable it will return two keys isUpdateAvailable (boolean) and latestVersion (string)

For Example:- { "isUpdateAvailable": true, "latestVersion": "2.0.1" }

In updateApplication it will return a key updateStatus (string) Values:- UPDATE_CANCELLED or UPDATE_STARTED

For Example:- {"updateStatus":"UPDATE_CANCELLED"}

*Feature added in Android on 02/07/25

Check If App Update Available

Checks whether an update is available for the app.

Plain Javascript

const { InAppUpdate } = window.WTN;

InAppUpdate.checkIfAppUpdateAvailable({
    callback: function(data) {
        //your logic
    }
});

ES5+

Callback Response:

It will return two keys isUpdateAvailable (boolean) and latestVersion (string).

{ "isUpdateAvailable": true, "latestVersion": "2.0.1" }

Show In-App Update UI

Displays a native in-app update prompt UI to the user. This allows you to trigger the platform's native update dialog and receive the result via a callback.

Plain Javascript

const { InAppUpdate } = window.WTN;

InAppUpdate.showInAppUpdateUI({
    callback: function(data) {
        //your logic
    }
});

ES5+

Callback Response:

It will return three keys: type (string), isUpdateAvailable (boolean), and latestVersion (string).

Key	Type	Description
type	string	Always "showInAppUpdateUI"
isUpdateAvailable	boolean	Whether an update is available
latestVersion	string	The latest version available on the store

For Example:

{ "type": "showInAppUpdateUI", "isUpdateAvailable": true, "latestVersion": "2.0.1" }

{ "type": "showInAppUpdateUI", "isUpdateAvailable": false, "latestVersion": "1.0.0" }

*Android and iOS for checkIfAppUpdateAvailable and showInAppUpdateUI support from 12/03/2026