The listing still has to reach Facebook, Instagram, TikTok, Pinterest, and wherever else your buyers scroll, and copying it there by hand quietly eats an hour a day. Shopify social media auto-poster apps remove exactly that chore: your products go out to your channels when you publish them, or on a schedule you set once and leave running. The first group keeps posting manually, promises themselves a batching system, and falls behind the week orders pick up. The second group installs the first app with “auto post” in the name, connects a channel, and discovers at the end of the month that the free plan never published a single post. Every number here comes from each app’s Shopify App Store listing: networks, plan limits, ratings, and review counts.