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You can find details about our pricing here, on our Marketplace listingPricing.
To summarize, if you have 10 users or less licensed for your Jira Cloud instance, you’ll only pay $5 per month for Notifications for Portal Customers. If you have more than 10 users, you'll be charged per user amount based on the user tier. You can use this Cloud Pricing Calculator provided by Atlassian to easily calculate the cost of apps based on your user tier.
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