> For the complete documentation index, see [llms.txt](https://help.impact.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.impact.com/brand/what-would-you-like-to-learn-about/account-administration/account-settings/subscription-add-ons/subscription-add-ons-explained.md).

# Subscription Add-Ons Explained

impact.com offers a wide range of product add-ons that enhance your partnership capabilities.

## How can I subscribe to add-ons?

If you're interested in purchasing impact.com add-ons, you can do so in-app. See the *Manage your impact.com subscription* section below to learn which add-ons are available to upgrade in-app.

Alternatively, you can reach out to your CSM (or [contact support](https://app.impact.com/secure/advertiser/support/customer-support-portal-flow.ihtml?execution=e1s1)) for assistance with purchasing add-ons not yet available to upgrade in-app.

## For how long are add-ons valid?

Once you purchase an add-on, the subscription fee start at the beginning of the next calendar month. Your add-on subscription will run concurrently with your Performance subscription and is subject to the same renewal terms.

## Can I cancel my add-on subscription?

Your add-on subscriptions are tied to your Performance subscription and are subject to the same termination clauses in your Performance agreement.

## Manage your impact.com subscription

* [View your impact.com subscription and usage details](/brand/what-would-you-like-to-learn-about/platform-features/finance/your-subscription/view-your-impactcom-subscription-and-usage-details.md)
* [Upgrade your paid search monitoring edition](/brand/what-would-you-like-to-learn-about/platform-features/protect-and-monitor-your-performance-program/paid-search-monitoring/upgrade-your-paid-search-monitoring-edition.md)
* [Get the Optimize Add-On](/brand/what-would-you-like-to-learn-about/account-administration/account-settings/subscription-add-ons/get-the-optimize-add-on.md)
* [Compare Included & Premium Features](/other/included-creator-and-advocate-features/compare-included-and-premium-features.md)


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