2.1K views · 35 reactions | Verified As the temperatures drop and we begin heading indoors more to workout we know some of you like apps to enhance your Erging experience. ErgData is our free option to connect with our online logbook. The powerful PM5 monitor is open source and is compatible with many 3rd party apps to meet your wants and needs, check out more here: https://www.concept2.com/service/software/apps | Concept2, Inc. | Facebook