@SaiTeja could you please clarify exactly what you mean by "size"? Are you referring to the difference in the final compiled size of the app (.ipa file)? Thanks, Craig.
Check out our new Swift integration library for iOS, macOS, tvOS and watchOS: https://github.com/Tealium/tealium-swift with updated documentation https://community.tealiumiq.com/t5/Swift/tkb-p/swift.