The cost to repair the phones screen will depend on what type of phone you have. For the Iphones you can expect to pay at least $150.00 for the Iphone screen repair.
For android phones you might only pay $75.00 to $100.00 also depending on where you take the phone for the screen repairs.
If the phone is a cheaper model phone such as a cheap android then the screen repair may not be worth the money spent.