Android and iOS app

Please read carefully and no standard messages pls apply in detail with detailed proposal stock messages to this will not be hired This needs to be an android and iOS app 1. Need delivery app with pick and drop services for merchants so they can deliver stuff to customers or pick items [login to view URL] can register and earn for delivery and need to have an interface through which they can check locally which items n eed to be delivered or picked 3. Owners need to have interface through which they can add vendors partners and hire or fire drivers and get reviews 4. Partners need to have an interface so they can add items or give tasks to the drivers or delivery agents This is due to the issue of covid 19 and lockdown which has hampered regular movement of customers 5. Anything can be delivered or picked up 6. Android and iOS app needs to get the from and to location. 7. If possible please send me detailed quote with pricing and plans so I can choose from my budget which features and what pricing Pls suggest which technology where hosting Pls send samples of your apps if built som ething similar I need a team to do this very quickly like within 10 days and if not possible pls say how much time Will you use xamarin so app can b produced for iOS or Android together Pls suggest several pricing options with features no stock responses and all payment will be cleared once full app is developed is that ok