LinkDM alternative: free comment-to-DM automation

LinkDM is built around Instagram and Facebook DM automation. Its free plan is genuinely useful if your main job is sending links in response to DMs or story interactions: the pricing page lists one Instagram account and up to 1,000 DMs per month at no cost.

The product also supports story automations, link-in-bio style flows and multi-account plans. If you need Facebook automations alongside Instagram, LinkDM's broader channel coverage may be attractive.

The important difference for comment-driven creators is comment auto-reply. LinkDM's pricing page lists Comment Auto-Reply as part of Pro, while its free plan includes DM automation and story automations. CodAI AutoDM treats comment-to-DM as a core free workflow: a keyword or any-comment rule triggers a private reply, with optional public replies.

Both tools are free to start. The practical question is whether you need to pay before you can answer comments automatically. If comment volume is the reason you are evaluating automation, that difference matters more than the headline monthly price.

In CodAI AutoDM, a comment rule can match any comment, a whole word, an exact phrase, a contains pattern or a regex. You choose the post scope, write the DM, and optionally add a public reply. Repeat protection and opt-out filtering run before a send.

LinkDM's workflow is similar in spirit, but its plan gating means you should verify comment automation availability on the tier you intend to use. Pricing and feature packaging change; check the provider's current page before you migrate.

LinkDM Pro is listed at $19 per month for up to three Instagram accounts and 25,000 DMs per month, with higher tiers above that. CodAI AutoDM has a free tier and does not price by contact count. Neither tool can promise unlimited sending: Instagram's platform limits and policies still apply.

If you migrate, export or rewrite your message templates, reconnect Instagram through the official login flow, and test one rule on a single post before arming account-wide automations. Keep the old tool connected for a short overlap so you can compare delivery behavior.

Choose LinkDM if you specifically need its Facebook automation coverage, its established template library, or a workflow your team already knows. Choose CodAI AutoDM if free comment-to-DM automation, story replies and a simpler Instagram-first setup are the priority.

This comparison is based on publicly listed pricing and features as of November 2026. It is not a claim that one tool is universally better.