Device for inventory monitoring (1, 101) by permanent detection and/or control of inventory changes of goods provided with transponders, - with a storage space for storing or temporarily storing goods, - with a person singling device, via which the storage space can be entered and/or left by a person, and - with a goods passage (6, 106) via which goods can be brought into and/or out of the storage space, - wherein the goods passage (6, 106) has at least one detection device which is set up for detecting goods provided with transponders, - wherein the person singling device and the goods passage (6, 106) are formed separately, - wherein the person singling device comprises a goods detection device for goods carried along and provided with a transponder, - wherein the person singling device comprises at least one identification device (32, 36) for detecting the identity of a person and is arranged for differentiated detection between user and service provider, - wherein the person singling device is set up to release or block the passage of a person depending on the determined person identity, - wherein the person singling device is arranged to block the passage of a person upon detection of unauthorizedly carried goods to forcibly cause a user to leave the storage space through the goods passage (6, 106), - wherein the person singling device is arranged to release the passage of a person provided that no unauthorized carried goods are detected, - wherein the goods passage (6, 106) comprises at least one identification device (12, 16) for detecting the identity of a person, and the identification device (12, 16) is arranged to detect the leaving of the storage space by a user, - wherein the detection device is set up to subtract the goods removed by a user and detected from the total stock and to assign them to the respective profile of the user and to assign the goods brought into the storage space by a service provider through the goods passage (6, 106) and detected to the total stock. - with a storage space for storing or temporarily storing goods, - with a person singling device, via which the storage space can be entered and/or left by a person, and - with a goods passage (6, 106) via which goods can be brought into and/or out of the storage space, - wherein the goods passage (6, 106) has at least one detection device which is set up for detecting goods provided with transponders, - wherein the person singling device and the goods passage (6, 106) are formed separately, - wherein the person singling device comprises a goods detection device for goods carried along and provided with a transponder, - wherein the person singling device comprises at least one identification device (32, 36) for detecting the identity of a person and is arranged for differentiated detection between user and service provider, - wherein the person singling device is set up to release or block the passage of a person depending on the determined person identity, - wherein the person singling device is arranged to block the passage of a person upon detection of unauthorizedly carried goods to forcibly cause a user to leave the storage space through the goods passage (6, 106), - wherein the person singling device is arranged to release the passage of a person provided that no unauthorized carried goods are detected, - wherein the goods passage (6, 106) comprises at least one identification device (12, 16) for detecting the identity of a person, and the identification device (12, 16) is arranged to detect the leaving of the storage space by a user, - wherein the detection device is set up to subtract the goods removed by a user and detected from the total stock and to assign them to the respective profile of the user and to assign the goods brought into the storage space by a service provider through the goods passage (6, 106) and detected to the total stock.