PRO subscription unlocks additional features both on the website and in the MuseScore mobile app including off-line access to your scores at any time and mixer tool. The full list of PRO features can be found here.
You should remember that with a Pro account, you can download up to 20 scores a day.
You can subscribe to a PRO account on a monthly or yearly basis.
To learn the exact price, please, click on 'Go Pro', 'Try for free' or 'Start Free Trial', as prices vary depending on the currency.
If your PRO account expires, do not worry! None of your scores will be deleted.