I am running a e com store and just created the website. Now my business is growing and i want to make mobile app of best japanese vegetable knives (https://toolsofchef.com/best-japanese-vegetable-knives/) my store. Is there a developer here who can tell me how much it would cost to build a mobile app?

I am working in enterprise edition. As winter 14 changed... i am unable to see the option reset security token . In devoloper edition it is visible. So from Enterprise edition i am unable to find.