2025-07-23 00:00:00 Communication is your daily springboard into the business world. And with the new O₂ Business app you have all important details always in mind. Follow invested talk time back and see available communication capacity before. The current state of the inclusive volume on individual compounds and tariff details, down to the local network quality keep always and everywhere a clear view with the O₂ Business app. Learn more now about your informative companion! • your plan efficiently use Keep an eye on available capacities and draw your plan effectively made. The consumption-check shows you - always up to date - the status of your inclusive volume of. So you have your volume of data and your minutes and SMS always in view.