If the pros&#x2F;cons are apparent, rank those items.  An obvious problem (like a big cost difference) may speed up the decision.<p>If there&#x27;s time, prototype both; explore any claimed advantages and find some disadvantages.  This will make any decision easier to accept.<p>If the two developers are regularly coming up with &quot;equally good&quot; solutions, consider alternating their decision power on projects (e.g. project A, developer 1 gets to decide; project B, developer 2; project C, developer 1 again...).