Review on Tilswall Cordless Electric Spin Scrubber: Grout Shower 360 Power Bathroom Cleaner with 4 Rotating Brush Heads, Tool-Free Adjustable Extension Handle. Ideal for Tile, Floor, Bathtub Cleaning. by Rachel Flores

WARNING: Excellent, exceeded my expectations in all but one. I've used GROUT-EEZ for grouting (they worked great together) but the small stiff brush is almost completely worn out with spare brushes in the hallway and kitchen. Will try other brushes for the rest, so basically a draft or smaller device. Expensive for a single project, but I probably saved a lot of money by hiring someone to do the project. If you can find a device with replacement brushes that works the same way, definitely better.