You can change plans at any time.
- Log into Air and click on your name in the top right of the screen
- Select "Account Settings" from the dropdown menu
- Select "Home"
- Hover over your company name and click the "Settings" button
- Choose the plan you'd like to switch to. If you're on the Free plan you may be asked to enter payment details to upgrade. If you're on the paid plan you may have to remove certain features to complete downgrade