With the BOGIS app is for plant operators in biogas plants very easy feeding amounts of the substrates in the operating diary (BTB) to capture. About two clicks on the menu just shown the measured variable (GPS substrate, slurry, etc.) and the value (amount) is selected and confirmed. In addition can be performed on the BOGIS-APP and the complete maintenance management of the biogas plant. The responsible employees are guided by the individual maintenance and inspection plan for the site daily. Each task is only confirmed in the BOGIS app on the OK button or scanned via QR code, or for failures or errors, this information is entered directly. The BOGIS app is an add-on for the application BOGIS information and management system for biogas plants. More information at www.biogas-bogis.de