isbn1

Tobit Software AG , the publisher behind many iOS app (pinup Koblenz ,RHOTEC Computer GmbH ,MS-IT Produkte ,Walter's Hof ,Hafenküche Berlin ,Zur Barriere), brings isbn1 with a number of new features along with the usual bug fixes. isbn1 app has been update to version 5.479 with several major changes and improvements. App release that improves performance, provides several new options.