# Sub-apps

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

[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](/help-guides/optimizing-an-application/sub-apps.md)
  {% 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.


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