YTGrowth.io tells YouTube creators exactly what to fix this week, and writes the fix. Channel Audit surfaces 5 priority fixes. SEO Studio writes titles and descriptions in your channel's voice. Thumbnail Score rates yours against breakouts in your niche. Post-Publish Review explains why a video flopped. Video Ideas pulls next-video topics from competitor breakouts. Tracked Optimisations measure the lift after every change, so you see whether the fix worked, not just that you made one.