 The user has an option to purchase a discounted package of prepaid minutes in the app . The price can therefore be significantly reduced to 2,9 CZK per minute.
<clarity>  The user has an option to purchase a discounted package of prepaid minutes in the app . The price can therefore be significantly reduced to 2,9 CZK per minute.
 The user has an option to purchase a discounted package of prepaid minutes in the app , which reduces the price to 2.9 CZK per minute.