Hello ,
I have gone through your requirements i can Develop android App + IOS App service with (payment integration)some time technical support free as well.i will be available 24/7 for chat and any call .so please message me here.
My skillset includes
• iOS: Objective C, Swift, Xcode, Apple Script
• Android: Java, Kotlin, Android Studio
• Cross-Platform - Flutter
• Database : Sqlite, Cloud services like Firebase
• Payment gateways, In-App purchase, Google API integration, Third party API integration
• Web : Wordpress, PHP, Magento, Shopify
Note: Kindly initiate the chat so that we can discuss the project in brief to have a seamless understanding .
regards
Nikita