We measure and reduce emissions by rewarding sustainable mobility.

Promote eco-friendly and healthy mobility through gamification and exclusive rewards.

How it works

Download the CO2mmon app

Available for Android and iOS on the respective app stores.

We reward eco-friendly activities with Greencents

Ride your bike and CO2mmon rewards you with Greencents, always following the principle: 1 KG of spared CO2 = 1 Greencent.

Spend Greencents on exclusive eco-friendly offers

There are many eco-friendly products, services, cultural and sport events waiting for you. Redeem your Greencents, meet our challenges and share your eco-friendliness with your friends.

We are


We always follow the principle:
1 KG of saved CO2 = 1 Greencent.


We refer to data from scientific and acknowledged institutions.


We make eco-friendlier solutions visible.


We support local economies.

Download the CO2mmon app and start earning Greencents!