ReplyRush is the ideal free alternative to Inrō Social, offering advanced Instagram and Facebook DM automation at just $25 for 30,000 DMs. While Inrō starts at the same price, it lacks key features like Sendback, global triggers, and full customization. ReplyRush also supports Instagram and Facebook login, and includes a mobile app for easy management. With greater flexibility and scalability, it's the smarter choice for creators looking to grow engagement across any niche.