# In App Update

{% hint style="info" %}
You'll need to import the javascript file in your website before starting from this [link](https://docs.webtonative.com/javascript-apis/getting-started).
{% endhint %}

{% tabs %}
{% tab title="Plain Javascript" %}

```
const { InAppUpdate } = window.WTN;

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

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

{% endtab %}

{% tab title="ES5+" %}

```
import { InAppUpdate } from "webtonative";

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

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

{% endtab %}
{% endtabs %}

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.

{% tabs %}
{% tab title="Plain Javascript" %}

```
const { InAppUpdate } = window.WTN;

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

{% endtab %}

{% tab title="ES5+" %}

```
import { InAppUpdate } from "webtonative";

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

{% endtab %}
{% endtabs %}

**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.

{% tabs %}
{% tab title="Plain Javascript" %}

```
const { InAppUpdate } = window.WTN;

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

{% endtab %}

{% tab title="ES5+" %}

```
import { InAppUpdate } from "webtonative";

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

{% endtab %}
{% endtabs %}

**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:

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

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

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


---

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.webtonative.com/javascript-apis/in-app-update.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.