In most cases, if you cancel your Plus or Professional subscription before it expires, you'll have to finish your current subscription without receiving money back.
If you'd still like to request a refund, all in-app purchase problems or questions should be directed toward the appropriate company’s support channel.
How to request a refund from Apple
- Visit your purchase history.
- Then, you'll need to report a problem with the Dropbox App and request a refund where appropriate.
- Apple should respond to your inquiry and should be able to further assist with your request for a refund.
How to request a refund from Google
- Visit this page to learn more about Google's refund policies.