# Sub-apps

{% tabs %}
{% tab title="Experience level" %}
This core reference entry is suited for all experience levels<mark style="color:green;">**.**</mark>&#x20;

[Learn more about experience levels.](#user-content-fn-1)[^1]
{% endtab %}

{% tab title="In-depth articles (1)" %}
To learn about this topic more in-depth, we recommend reading the suggested articles below:

#### Sub-applications

* Article: [Sub-applications](https://manual.bubble.io/~/changes/1053/help-guides/infrastructure/sub-apps)
  {% endtab %}
  {% endtabs %}

## Push to sub-applications

This button will initiate the process of pushing the current version of this (parent) app to all its sub apps.

[^1]: In the Bubble docs, experience levels are categorized into beginner, intermediate, and advanced.

    To assist with learning, especially for more complex topics, we'll recommend prerequisite reading where it could be beneficial.&#x20;
