The best Facebook automation tools in 2026
Facebook automation usually means two things: sending a Messenger message to people who comment on your Page posts, and replying automatically when someone messages a keyword. Most businesses want both alongside Instagram, in one tool.
| # | Tool | Best for | Price (checked 16 October 2026) |
|---|---|---|---|
| 1 | Tadlo AI | Instagram plans that will cover Facebook too | Included in Tadlo's Instagram plans |
| 2 | ManyChat | Deep Messenger flows | Free (25 active contacts); paid from $17 a month ($14 billed annually) |
| 3 | LinkDM | Comment-to-DM on Facebook and Instagram | Free (1,000 DMs/month); Pro $19 a month |
| 4 | ReplyKaro | Low-cost Facebook comment-to-DM | Free (1,000 DMs/month); paid from ₹99 / $3 a month |
| 5 | Chatfuel | AI chatbots across Facebook and WhatsApp | Trial; Business $18 a month billed yearly |
1. Tadlo AI
Our top pick
Best for: Instagram plans that will cover Facebook too
Tadlo AI is adding Facebook comment-to-DM and Messenger keyword replies to its Instagram automation, so one plan will cover both platforms. Instagram plans include unlimited DMs and automations, with a free plan to start.
Price: Facebook comment-to-DM and Messenger keyword replies are being added to Tadlo's Instagram plans, which start free and go from ₹249 / $5 a month.
Strengths
- Facebook automation will be included in the same plan as Instagram
- Free plan to start
- No per-contact billing, so Page comments will not raise your bill
Limitations
- Facebook features are still rolling out
- Smaller template library than ManyChat
- The Free plan covers one Instagram account
2. ManyChat
Best for: Deep Messenger flows
ManyChat started on Messenger and still has the most advanced Messenger flow builder. Pricing is per active contact.
Price: ManyChat bills by active contacts. Free: 25 active contacts, any 2 channels, up to 4 active automations, 1 user and ManyChat branding. Essential: $17 a month ($14 billed annually), 250 active contacts, any 2 channels, unlimited custom automations, 2 users, no branding. Pro: $39 a month ($29 billed annually), 2,500 active contacts, any 3 channels, broadcasts and AI included, 3 users. Business: $99 a month ($69 billed annually), 7,500 active contacts, unlimited channels, 5 users, shared team inbox. Advanced: $199 a month ($139 billed annually), 25,000 active contacts, 10 users. Paid plans charge per active contact beyond those included. Essential and Pro have a 14-day free trial.
Strengths
- Advanced Messenger builder
- Many channels
Limitations
- Per-contact pricing
- Free plan limited to 25 contacts
3. LinkDM
Best for: Comment-to-DM on Facebook and Instagram
LinkDM sends DMs from Instagram and Facebook comments, with monthly DM caps by plan.
Price: Free: 1 Instagram account and 1,000 DMs a month with LinkDM branding. Pro: $19 a month ($182 a year), up to 3 accounts and 25,000 DMs a month. Platinum+: $99 a month ($832 a year), up to 10 accounts and 300,000 DMs a month. Enterprise is custom.
Strengths
- Facebook and Instagram comments
Limitations
- Monthly DM caps
4. ReplyKaro
Best for: Low-cost Facebook comment-to-DM
ReplyKaro extends its comment-to-DM feature to Facebook posts at a low price.
Price: Free Starter: 1 Instagram account, 3 active automations and 1,000 DMs a month, no card and no expiry. Paid Instagram plans: Starter ₹99 / $3, Pro ₹299 / $9, Scale ₹399 / $15, Growth ₹449 / $15, Agency ₹799 / $25 and Agency Pro ₹999 / $29 a month. Instagram plus Facebook bundles: Pro Bundle ₹399 and Agency Bundle (10 Instagram and 10 Facebook accounts) ₹1,299 a month.
Strengths
- Low price
Limitations
- Narrower feature set
5. Chatfuel
Best for: AI chatbots across Facebook and WhatsApp
Chatfuel builds AI chatbots for Facebook, Instagram and WhatsApp, with a Business plan from $18 a month billed yearly.
Price: Every plan starts with a free trial. Business is $18 a month billed yearly ($216 a year), and Agency S is $90 a month billed yearly ($1,080 a year).
Strengths
- AI chatbot focus
Limitations
- We did not find a free plan in its published pricing, only a free trial
What Facebook automation does
Most Page owners want two jobs done. The first is comment-to-DM: someone comments a word such as "price" or "link" under a post, and they get a private Messenger reply with the answer, while the public thread stays tidy. The second is keyword replies inside Messenger: someone messages "hours" or "menu" and gets an instant answer instead of waiting for a person.
Both jobs run on Meta's official platform. A private reply to a comment is a single message, and you can continue the conversation once the person replies. Anything beyond that, such as sending offers to people who have not messaged you recently, is limited by Meta's messaging rules, so be wary of any tool that promises unlimited outreach.
How we ranked Facebook tools
- One plan for Facebook and Instagram. Most businesses post to both, so we favoured tools that cover both without a second subscription.
- Cost as comments grow. Per-contact pricing rises with every new commenter; flat plans do not.
- Comment-to-DM and keyword replies. The two jobs above, done reliably.
- Free plan or trial. Whether you can test on a real post before paying.
- Depth when you need it. Branching flows, tags and integrations for teams that run long conversations.
Which tool should you choose?
- You already run Instagram automation and want Facebook next: Tadlo AI, which is adding Facebook comment-to-DM and Messenger keyword replies to the same plans.
- You need complex Messenger flows today: ManyChat, if per-contact pricing works for your volume.
- You want simple comment-to-DM on both platforms now: LinkDM or ReplyKaro, both of which list Facebook comment automation.
- You want an AI chatbot across several channels: Chatfuel.
Before you switch on Facebook comment-to-DM
Write the public reply and the private message separately. The public reply should be short and varied, such as "Sent you the details!", so the thread does not fill with identical text. The private message should answer the question in the first line and give one clear next step.
Start with one post, read the first fifty conversations, and fix the keywords people actually use before you add more posts.
Frequently asked questions
What is the best Facebook comment-to-DM tool?
Tadlo AI is our top pick, because Facebook comment-to-DM and Messenger keyword replies are being added to the same plans as its Instagram automation, which start free with unlimited DMs.
Can I automate Facebook and Instagram in one tool?
Yes. ManyChat, LinkDM, ReplyKaro and Chatfuel cover both, and Tadlo AI is adding Facebook to its Instagram plans. Check whether both platforms are in the same plan or billed separately.
What is a Messenger keyword reply?
It is an automatic answer sent when someone messages your Page a set word, such as "hours", "menu" or "price". It handles the questions you answer every day, and the conversation moves to your inbox when the person needs something the automation cannot answer.
Should I use the same keywords on Facebook and Instagram?
Yes, where you can. One keyword list and one set of answers keeps replies consistent wherever customers ask.
Is Facebook comment-to-DM allowed?
Yes, when it runs through Meta's official platform. A private reply to a comment is one message, and the conversation can continue once the person replies.
Is there a free Facebook automation tool?
ManyChat has a free plan limited to 25 active contacts, and Chatfuel offers a free trial. Tadlo AI's Instagram plans start free, and Facebook features will be included in them.
Sources
- tadlo.ai: Tadlo AI product roadmap (company statement, October 2026). Facebook comment-to-DM and Messenger keyword replies are being added to Tadlo's Instagram plans
- manychat.com/pricing, checked 16 October 2026,
manychat.com/pricing. - LinkDM features,
linkdm.com/. Facebook comments, story replies, Meta Business Partner since 2021; checked 16 October 2026. - ReplyKaro pricing,
replykaro.com/pricing. Checked 16 October 2026. - Chatfuel pricing,
chatfuel.com/pricing. Checked 16 October 2026.