Unfortunately, that is not possible. If you no longer want Campercontact PRO+, you can cancel your subscription up to 24 hours before the renewal date. You can find the renewal date in the 'My purchases' menu item. To cancel, follow these steps:
Android:
- Open de Play Store-app
- Click on your profile photo
- Select Payments and subscriptions
- Cancelling subscriptions
iOS:
- Open the 'Settings' app on your device.
- Click on your name
- Click on 'Subscriptions’
You will retain the PRO+ version until the end of your original subscription period. After that, your account will be transferred to FREE.