To upgrade your subscription, please access the Zoho Invoice web app from your desktop or laptop. The link to access would be www.zoho.com/invoice
1. Sign in to Zoho Invoice (https://invoice.zoho.com) with your user credentials.
2. Click the "Subscription Details" sub-tab under the "Home" tab.
3. Select your preferred plan and click the "Upgrade" button under the plan.
4. Select the billing mode and update your credit card information.
5. Confirm the payment and your plan will be moved to the paid plan.
Please check our pricing page for more information.
Zoho Invoice FAQ