What actually separates good AI social media tools from generic ones?

Most "best AI tools for social media" articles rank products by feature count. That's the wrong metric.

The real question is: after 30 days, does the content still sound like you — or does it sound like everyone else using the same tool?

I've been testing this space for a while and noticed a clear split. Schedulers are easy to evaluate. AI generators that actually learn your voice are much harder to assess from a features page alone. The difference only shows up in the output after a few weeks of use.

I wrote a full breakdown of 10+ tools — organized by what they're actually good at — rather than a generic feature matrix

(XreplyAI is on the list — I built it, so take that for what it's worth. Tried to be honest about where it fits and where other tools are stronger.)

How do you evaluate AI content tools? Feature list, free trial feel, or something else?