Yes you can.

All new accounts are granted a free all-inclusive 30-day trial that lets you test drive all StableBit Cloud features at no charge. No credit card is required and your trial begins as soon as you create a new account.

You can subscribe to StableBit Cloud at any time during your trial. Once subscribed, you will continue to have access to any enabled StableBit Cloud features after your trial ends. If you subscribe while your trial is still active, you will not get billed for usage until after your trial ends.