Hypefury built its name on X (Twitter): scheduling, evergreen retweets, auto-DMs, and thread tooling that creators lean on to grow a following. LinkedIn came later, and it shows in the split: X is first-class, LinkedIn is the cross-post surface.
SocialNexis treats LinkedIn and X as equal-priority. On both platforms it does content and full engagement, including likes, comments, replies, and follows, and its AI writes a native draft for each platform rather than piping the same text to both.
The clearest way to choose: if you are an X-first creator and LinkedIn is a bonus channel, Hypefury's X depth is worth it. If LinkedIn and X are roughly equal for you and you want active engagement on both, SocialNexis is the closer fit.