Zing's fees can start at $0 for the restaurant and this model is popularly used for utilizing all the benefits in the value package. There is a flat fee as seen in the pricing page that can be given to the customer or split between customer and restaurant according to what the restaurant desires. The flat fee per order remains the same whether it is a $25 order or a $100 order. For catering orders there is an additional 5% fee.
The only other cost to the Restaurant is the credit card fee at a flat rate of 2.95% and 37 cents, which is among the lowest card not present rate.