ReplyRush is the best free alternative to LinkinChat, offering advanced Instagram and Facebook DM automation beyond basic features. While LinkinChat starts at $14.99/month with limited tools, ReplyRush includes Sendback, global triggers, DM overflow queue, and follow-gated DMs to boost engagement. For just $25, you get 40,000 DMs, plus a mobile app and smooth IG/FB login for easy management. It’s a powerful, affordable solution for creators ready to scale their social strategy.