> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.brainwave3d.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to Cancel Your Brainwave3D App Subscription on iPhone

To cancel your subscription to the Brainwave3D App on your iPhone, follow these steps:

1. **Open Settings:**

* Tap the gear icon on your home screen to open Settings.  
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2. **View Apple ID:**

* Tap on your name at the top to open Apple ID settings.  
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3. **Manage Subscriptions:**

* Tap on "Subscriptions."  
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4. **Select Brainwave3D App:**

* Choose the subscription for the Brainwave3D App that you want to cancel.  
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5. **Cancel Subscription:**

* Tap on "Cancel Subscription" and confirm the cancellation.

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**Important Notes:**

* After canceling the subscription, you can continue to use the content until the end of the billing period.
* The cancellation must be done before the next billing period to avoid further charges.