You can click here to change your plan. Alternatively, follow these steps.
Step 1: Log in to Mealplana at https://app.mealplana.com
Step 2: Click on Settings > Billing Settings
Step 3: Choose Change Plan
Step 4: Choose your new plan and desired number of users in your team. You can see a summary of pricing for the new plan. When you are happy with the new plan, click the Confirm my plan button.
You can check the article below to learn what happens when you change your plan.