This happens because SOOMLA can only calculate revenue for users that use the app on the versions with SOOMLA SDK inside. There are always some users who didn't update to the latest version and don't send data to SOOMLA.
This happens because SOOMLA can only calculate revenue for users that use the app on the versions with SOOMLA SDK inside. There are always some users who didn't update to the latest version and don't send data to SOOMLA.