The NuFACE Smart App functions as a dedicated digital interface for NuFACE's line of microcurrent skincare devices, positioning itself as a professional-grade companion tool in the beauty technology market. This Android application transforms standalone devices into connected skincare systems, bridging the gap between at-home treatments and professional aesthetician guidance through structured digital protocols. Core functionality centers around guided treatment tutorials that provide step-by-step visual instructions for proper microcurrent application. Users select treatments based on specific skin concerns and follow expert-led videos demonstrating correct technique. The app requires device pairing to unlock exclusive treatment protocols, creating an integrated hardware-software ecosystem. Treatment sessions typically range from 5-11 minutes for full-face routines, with the system tracking completion progress and theoretically maintaining treatment history across sessions. User experience presents a mixed implementation according to available feedback. The interface provides clear visual guidance during treatments but exhibits workflow issues in session management. Multiple users report instances where the application fails to recognize completed treatments, prompting unnecessary repetition warnings instead of progressing to post-treatment screens. This creates friction in the daily routine experience, particularly for users engaging with the 11-minute full face and neck treatment protocol that represents a core offering. User feedback indicates generally positive reception of the guidance functionality, though interface inconsistencies emerge as a recurring theme. Reviewer T M (March 8, 2023) specifically notes appreciation for the instructional aspect while criticizing the 'clunky' interface that failed to recognize treatment completion. More recent feedback from Ana (February 12, 2025) highlights improved stability following updates and praises responsive customer support for addressing technical issues, suggesting ongoing development attention to user-reported problems. The application demonstrates strength in structured skincare guidance and device integration but faces challenges in seamless user experience design. Ideal for committed NuFACE device owners seeking regimented treatment protocols, though occasional interface inconsistencies may frustrate users expecting fully polished digital experience. The app serves best as a supplemental tool rather than standalone solution, dependent on hardware pairing for full functionality.