Hello Sir,
We have gone through your Post and we are interested to Develop this Project. As Described you want to Upgrade iOS SDK in new Version. We have a Development Team who are Proficient in this and having more than 5+ years of Experience in this.
- Need to Integrate new Google Key. Before that, You need to tell us for which Product you wanted to Implement.
- Wanted to Integrate Payment Gateway. We will do that and Earlier we Implemented in Other Applications also like CCAvenue, Paypal, PayUMoney, paytm etc.
We can Implement all the Mentioned things without Affecting Existing Code. So, Ping us and we will Discuss more in this. The Estimation is for Reference only, may Vary after Actual Analysis.
We are working in this field for 17 years and having satisfied Customers 1470+. Also, we are an ISO certified Development center specializes in Mobile Applications since 2010 as well as Desktop and Web Softwares too from the Last 17 Years. We have Products which is Popular in Market and top MNC Companies are currently using it Also, Providing Services for Mobile, Desktop, And Web too.
We have more than 5+ years of experience in Android & IOS apps Development. Our Developers having 2-5 years of experience in Mobile Application and proficient in Objective-C, All Versions of swift, Android Studio, java etc.
Looking for your positive response
Team Sapphire Software Solutions.