Semdash is genuinely a great tool, intuitive and well-structured. The interface is clean, keyword research and backlink tools are solid, and the overall feature set is definitively competitive for the price. Customer support is also very responsive; after sending a question, I received a reply within the hour.
However, there's one significant issue that matters a lot for SEO: Keyword Difficulty scores are systematically underestimated. After comparing the same keywords across Semrush, Ubersuggest, and Keyword Surfer, Semdash consistently scores KD roughly half of what other tools report. On high-competition keywords (KD 77-80 on Semrush), Semdash shows 32-45. That's not a minor discrepancy, as it could lead you to target keywords that are actually out of reach for a new or mid-authority site.
I picked up Tier 5, so I'm committed to giving it a proper evaluation. I'll retest before the 60-day refund window closes and decide from there. Again, there's a lot of potential here, but the KD calibration just needs to be addressed to make this a truly trustworthy tool.