- Get the
.app
file:react-native run-ios --configuration=release
.app
file pathBuild/Products/Release/"<Your_Filename>.app"
. In my Case it was:

- Convert
.app
to.ipa
:- Create folder
Payload
. - paste
.app
file intoPayload
folder. - compress the
Payload
folder. - change the name you want and put extension as
.ipa
.
- Create folder