Well, if praying in Latin is difficult for you, then pray in your mother tongue. The important thing is that you pray the rosary daily. If Latin is challenging, you can pray the rosary in your native language. Latin is a sacred language of the Church.
Is it more beneficial to pray the rosary in Latin?
It depends on your level of attention. You may become distracted while praying in Latin, but you can also pray very piously and attentively in your mother tongue. It depends on your inner focus. However, Latin has its own special value because of its sacredness.