You can easily change your monthly plan whenever you want. Just visit the Switch Plan page when you're logged from the main account settings menu.
If you're downgrading then you'll keep access to your current plan until your next billing date. If you're upgrading it will upgrade you immediately and you'll be charged the difference between the two plans.
If you only need a higher usage plan for a short time during busier periods you can upgrade, then downgrade again right away - you'll keep the higher use plan for the remainder of your current billing period.
Our annual plans are less hassle, more flexible and include a one month discount. As we give you all the year's usage limit to use any time, you're not capped to a monthly limit, so it'll work better when you have some busier months or bigger projects to complete. Check out our annual options here