The kind people behind Acceptance and Commitment Therapy (ACT) have made their app available for free for the next 3 months. It has mindfulness exercises and meditation, goal setting and support with managing difficult feelings.
The app is called: ACT companion: The Happiness Trap
You need to sign up using an email address then go to the menu, select subscription and enter the promo code. You do not need to enter any card details. It is likely that once the subscription runs out it automatically cancels, but you may want to set a reminder to check it is cancelled when the 3 months is up.
The promo code to get it free is: TOGETHER