Instagram DM automation tools, compared by who writes the reply
Six tools for answering Instagram DMs and comments, and the one question that sorts them.
Instagram DM automation tools split by who writes the reply. Keyword tools like ManyChat send a pre-written message when a comment matches. Chatfuel adds AI inside flows you build. Maxbound trains an AI agent on your business to answer questions you never scripted, and turns comments into DMs and contacts. Respond.io suits complex routing across many channels.
Updated October 2026, from each tool's own public material. No tool is ranked; each says when to choose it.
How to choose.
- Is it one link, or a conversation?
- "Comment GUIDE and I’ll send it" is a keyword job. "Do you ship to Dubai, and how long does it take?" is a conversation, and a keyword cannot answer it.
- Does it connect through the official API?
- Use a tool that connects through Meta’s official Instagram API, never one that asks for your password or automates a logged-in browser.
- What happens to a comment?
- Some tools only reply in the DM. Others answer the comment in public too, hide spam, and save the person as a contact.
- Who takes over when the bot should not answer?
- Look for a shared inbox where a person can pick the conversation up, with the history in front of them.
At a glance. In no order.
| Tool | Channels | Who writes the reply | Billed by |
|---|---|---|---|
| ManyChat | Instagram, Facebook | Flows you build: a keyword picks a pre-written message | Contacts stored |
| Chatfuel | Instagram, Facebook, WhatsApp | An AI assistant inside flows you build | Contacts stored |
| Respond.io | Many, including WhatsApp, Telegram, LINE, Viber, SMS and email | A workflow builder you configure, with a shared inbox | Contacts and seats |
| Agorapulse | Many social networks | A person, with saved replies and moderation rules | Seats and connected profiles |
| Sprout Social | Social networks | A person; the Smart Inbox routes and prioritises | Seats |
| Maxbound | Instagram, Facebook, WhatsApp, website chat, your mobile app | An AI agent trained on your site, documents and past conversations, escalating to a person when it should | A price per workspace (one per client), with AI credits included |
One keyword, one link
The classic comment-to-DM: a creator posts, people comment a word, and each one gets the same DM.
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ManyChat
The best-known comment-to-DM tool on Instagram and Facebook: a keyword in a comment triggers a DM with a link, an offer or a next step.
Choose it when your replies really are one message with a link, and you want the largest template library in the category.
Maxbound vs ManyChat
Real questions in the DMs
When people ask about price, sizing, availability or booking, the reply has to be written for the question that was asked.
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Maxbound
An AI agent for the whole inbox, trained on your business, that answers Instagram and Facebook comments and DMs, WhatsApp, website chat and your own app, with a human-and-AI inbox, a CRM and post scheduling built in.
Choose it when most DMs are questions, comments need answering and moderating too, or you run Instagram for several clients.
See pricing -
Chatfuel
A Meta-channel automation platform rebuilt around AI, with an assistant handling open-ended turns inside the flows you build, focused on selling in the DM.
Choose it when the goal is selling products in Instagram DMs and you want AI working inside flows you design.
Maxbound vs Chatfuel
Complex routing across many channels
Larger teams with several channels and rules about who handles what often want to build that logic themselves.
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Respond.io
A business messaging platform that unifies a wide range of channels into one inbox, with a detailed workflow builder, routing and reporting.
Choose it when you need Telegram, LINE, Viber, SMS or email beside Instagram, and a workflow builder is an asset to you.
Maxbound vs Respond.io
A team answering by hand
If people are going to write every reply, the tool’s job is to make the queue easy to work.
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Agorapulse
A social media management platform with a strong unified inbox, publishing, moderation rules and per-client reporting.
Choose it for saved replies, assignment, moderation rules and per-client reports.
Maxbound vs Agorapulse -
Sprout Social
An enterprise social media platform: publishing with approvals, social listening, analytics and a Smart Inbox that routes messages to people.
Choose it for a large marketing team that also needs publishing approvals and social listening.
Maxbound vs Sprout Social
What Maxbound does not do.
If you need one of these, it is not your tool, or not your only one.
- Social listening and brand monitoring.
- Publishing to X, LinkedIn or Pinterest (it schedules to Instagram, Facebook, TikTok and YouTube).
- Email and phone support, or a ticket queue with SLAs.
- Telegram, LINE, Viber or SMS.
- Refunding or editing a Shopify order from the conversation.
Questions.
Is Instagram DM automation allowed?
Yes, through Meta’s official Instagram API. Maxbound is a Meta Tech Provider and connects only through the official Instagram and Facebook APIs, never a logged-in browser. Ask any tool you consider how it connects.
What is the difference between comment-to-DM and an AI agent?
Comment-to-DM sends a message you wrote when a comment matches a keyword. An AI agent reads the comment or DM and writes a reply from what it knows about the business, and hands the conversation to a person when it should not decide.
Can one tool answer Instagram and WhatsApp?
Yes. Maxbound answers Instagram, Facebook, WhatsApp, website chat and your app with one agent. Chatfuel covers Instagram, Facebook and WhatsApp, and Respond.io covers those and more through workflows you build.
Which tool suits an agency running several clients’ Instagram accounts?
One that keeps each client separate: Maxbound gives every client its own workspace, agent and reporting. Agorapulse reports per client for teams that answer by hand.
Product names are trademarks of their owners. This page describes how each product works, not how good it is, and gives no competitor prices because they change. Check theirs, and ours.
The only comparison that settles it is your own inbox.
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