My venue currently uses a mobile device with the Gateway mode. Can this be used for SE check-outs? June 23, 2022 12:29 Updated Yes. The SafeEntry (Business) App can be toggled between check in/out modes and can be used for check-outs. Related articles SafeEntry Gateway - Overview My app crashes or stops scanning when using Gateway mode on the SafeEntry (Business) app, how do I fix this?