Write an iPhone/iPad Image Gallery application

Hi, Looking for an experienced iOS app developer. I would like to build an iPhone/iPad app. The app shall be similar image gallery app. You have to show examples of previous apps that you created. If you simply show us links to projects you created in the app store, you will need to provide proof that you created the project. Developer requirements: - Seriously, Professional programmer only - Please show me at least 3 best iPhone apps that were done by you. - Must be willing to satisfy 100% Brief Project description: Create an Iphone/Ipad app of image gallery with artwork provided. 1. Splash screen 2. Category page - Category list - Has lock blocks/lock category to buy In-app purchase toìUnlock All Imagesî - Has 2 app promotion links are on the top page (Can change data from server side) 3. List page - Display images from selected category - User can click on heart icon to add/remove favorite - Has lock image to buy In-app purchase to ìUnlock All Imagesî 4. Image detail page - Display selected image - Can save image into camera roll - Has add/remove favorite button - Swipe function to the next/previous image page, If the next image is locked, show ìUnlock All Imagesî pop up 5. Tutorial page - Has 5 pages with swipe function - 1st page is a Youtube video & text - 2nd ñ 5th page is an image & text 6. Video page - Video list from YouTube - Get Data from XML file on server side 7. More apps page - Display banner to promote apps, links to app store - Get Data from XML file on server side 8. Favorite page - Show favorite images 9. Slide Menu - List of category - 2 App promotion links, link to app store (Can change data from server side) - Link to Favorites page - Link to Setting Page 10. Setting page - Unlock All Images - Remove Ads - Restore purchase - Rate us links to app store - Link to More apps page - Suggestion and Report problem, create email form Additional : - Premium App Option (Full Unlock features + No Ads, Set to Paid App) - Firebase integration : Analytics, Push notification - Admob integration - Full Screen promotion page, shows after home screen appear in 2 seconds link to app store (Can change data from server side) Payment structure: - 30% payment for the first building app to test all functions. - 40% Payment upon receiving of Source code and pass our testing requirements. - 30% Final payment after Apple approves the application on iTunes store. This project will be cancelled if you, 1) Donít provide production update showing the proper timely production 2) If you donít deliver on time as promised See the attachment, Please review and let me know how long and what the cost of producing this application will be. I'll provide more detail, if you are my candidate. Look forward to working with you. Note: For serious bidders only Thanks