Friskies Price Increase . Both brands provide roughly the same amount of crude fiber. One of friskies’ dry foods would cost closer to $0.13 per day. Ração Friskies 1Kg Atum from www.bernardaoemcasa.com.br You can also expect to see higher prices for the product. With regards to wet cat food, purina friskies and whiskas also provide roughly the same amount of crude fat. 2 weeks ago a can was.54 with the 30 can box costing $15.12.