There are many apps and web pages that can help you with your pronunciation (and English in general). For example, with BBC Learning English - you can practise pronunciation but also many other things.
Web: https://www.bbc.co.uk/learningenglish/english/
Application for Android: https://play.google.com/store/apps/details?id=uk.co.bbc.learningenglish
Application for iOs: https://apps.apple.com/us/app/bbc-learning-english/id1416610731