# Account and billing

This section covers how you can modify your account, subscribe to a plan, pay, etc.

<details>

<summary>Pricing and workload (WU)</summary>

The Workload Unit (WU) is a calculation of the totality of work the Bubble server has to do to power your app. In this section, we'll cover how this is calculated, and how it affects your plan and pricing.

Article series: [Pricing and workload](https://manual.bubble.io/account-and-marketplace/account-and-billing/pricing-plans)

#### **Other relevant articles:**

If you're interested in learning more about how you can optimize your app for workload, see the article series below:

Article series: [Optimizing for workload](https://manual.bubble.io/help-guides/workload)

</details>

{% content-ref url="account-and-billing/account-management" %}
[account-management](https://manual.bubble.io/account-and-marketplace/account-and-billing/account-management)
{% endcontent-ref %}

{% content-ref url="account-and-billing/building-apps-for-others" %}
[building-apps-for-others](https://manual.bubble.io/account-and-marketplace/account-and-billing/building-apps-for-others)
{% endcontent-ref %}

{% content-ref url="account-and-billing/selling-on-the-marketplace" %}
[selling-on-the-marketplace](https://manual.bubble.io/account-and-marketplace/account-and-billing/selling-on-the-marketplace)
{% endcontent-ref %}

{% content-ref url="account-and-billing/plans-and-billing-legacy" %}
[plans-and-billing-legacy](https://manual.bubble.io/account-and-marketplace/account-and-billing/plans-and-billing-legacy)
{% endcontent-ref %}


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