Are Findster Duo+'s modules compatible with Findster Duo's (previous version) modules? Jane Jonson Updated November 02, 2017 16:53 Follow The Findster Duo+ modules are not compatible with Findster Duo's (previous version) modules. However, the Findster App should be used in both cases. Related articles What are the main differences between Findster Duo+ and Findster Duo? What are Findster Duo+'s main advantages/features in comparison with other GPS pet trackers? How can I contact Findster support? Is an internet connection needed to use Findster Duo+? Can I use the Findster App on my tablet? Have more questions? Submit a Request Comments 0 comments Article is closed for comments.