Merchants have provided overwhelmingly negative feedback on the "Slider - Image & Video" app. Users are quite frustrated with various aspects of the app, particularly its performance issues, limited functionality in the free version, and the cost associated with upgrades. There are a few positive notes, but the negatives seem to dominate.
Overall, the "Slider - Image & Video" app faces significant criticism from merchants due to its performance shortcomings and pricing model. While there are users who seem to appreciate its basic capabilities when it functions correctly, the general reception highlights the need for improvement in functionality and better value proposition to satisfy its user base.