Yes, Nudgify offers a free plan option with certain limitations. Under this plan, your access is restricted in several ways. Firstly, your unique site visitors is capped at 300. Additionally, you're limited to utilizing just one Review for your review nudges.
Also, on the free plan, there are some nudge styling that cannot be accessed. Likewise restrictions to some nudge types in the nudge library.
On the positive side, you can connect to any integration of your choice on the free plan. Hence, despite the constraints on the free plan, it still allows you experience Nudgify's functionalities.