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Instagram comment-to-DM tools, compared

Thirteen Instagram comment-to-DM tools, plus where ReplyMagnet lands, in one table: what each actually charges once you click past the loudest number on the pricing page, what it bills per, whether its follow check is something the API confirms or something a commenter just claims, and what happens to a comment once your plan's monthly limit is spent.

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Read the pricing page twice

Two traps show up often enough in this category to name plainly. The first: ManyChat's and Chatfuel's pricing pages load on the annual-billing toggle while still labeling every price "/month." ManyChat's Pro tile reads $29, but the real monthly rate, no annual commitment, is $39. Business reads $69 and is really $99. Chatfuel's AI PRO reads $49 and is really $69. Nothing dishonest is stated outright; the default view just isn't the number most people are looking for. For the full ManyChat table with overage math, see ManyChat pricing explained; for the two incumbents side by side, see ManyChat vs Chatfuel.

The second trap is what a plan is billed against. Several tools here charge per contact: every person who messages, comments, or gets messaged counts against your plan for that billing month, whether they're new or someone who came back. A quiet account can look inexpensive for months and then jump the moment one post performs well. ReplyMagnet bills per engagement instead: one unit for every reply or DM actually sent, so the number tracks what got answered, not how many people exist in your contact list. Neither model is automatically better; the point is knowing which one you're agreeing to before a post takes off.

Meta App Review, not a partner badge

ReplyMagnet's Instagram integration runs on the official Graph API, and the permissions it uses were approved through Meta's own App Review process in August 2026, the review where a Meta reviewer watches the actual comment-reply-and-DM flow before signing off. That's a different thing from the Meta Business Partner or Meta Tech Provider badges several vendors in this table carry, and ReplyMagnet doesn't hold either of those separate programs.

Several rivals here have a genuinely documented badge, not just a claim: ManyChat and LinkDM state Meta Business Partner status directly on their own sites, Chatfuel states an official Meta Partner plus WhatsApp Business Solution Provider status, and Inrō states Meta Tech Provider status. Others word it as a self-description, CreatorFlow, ReplyKaro, and InstantDM all quote their own "Meta…Provider" or "Meta Business Partner" language on-page without a way for us to independently confirm it, and ReplyRush references a "Meta-approved" badge without naming the program. A partner badge and an App Review approval answer different questions, so the "Meta status" column below states what each vendor's own material says, not a ranking of who's more legitimate.

The comparison table

Entry price is the cheapest tier, free included, where the vendor's own material shows the comment-to-DM mechanic actually switched on. Where a free tier explicitly excludes or gates that mechanic to a paid plan, the entry price shown is the first paid tier that includes it. "Not found" or "not documented" means the vendor's own pages never state it, not that the feature is confirmed absent.

ToolEntry priceBilled perVerified follow gateOverflow queueMeta status
ReplyMagnet$0 (Starter, 1,000/mo); Basic adds CSV export at $9/moEngagement actually sent (a reply or a DM)Yes, API-verified (is_user_follow_business); optional, and turning it on for a live campaign is a creator's own choice, not something ReplyMagnet pushesYes, on every planInstagram integration approved through Meta App Review (Aug 2026); not enrolled in the separate Meta Business Partner or Tech Provider programs
ManyChat$0 (Free; comment-to-DM capped at 4 live automations)Active contact per billing month; overage billed automatically"Follower Status Check" (Essential+): checks and prompts; not documented as blocking deliveryNone found; overage is billed instead of queuedOfficial Meta Business Partner + TikTok partner, documented on their site
Chatfuel$69/mo (AI PRO; shown as $49 on page load, the annual rate); a free Light tier also exists, comment-to-DM inclusion undocumentedFlat: unlimited contacts and messages; AI replies capped by an undisclosed fair-use allowanceNot found in vendor docsNone found; AI replies pause until the fair-use allowance resetsOfficial Meta Partner + WhatsApp Business Solution Provider, documented on their site
InrōFree (€0, up to 100 contacts); paid from €12.99/mo at 101 to 500 contactsActivated contacts per month, on a fine-grained ladderDescribed on their blog only, not the feature table: unconfirmedNot found in vendor docsMeta Tech Provider, documented on their site
replient.ai€129/mo (Pro); the cheaper €39/mo Lite tier is comments-only, no DM automationAI comments processed per month, plus a contact ceilingNot found in vendor docsNot found in vendor docsNo Meta partner status found in vendor material
FlowGent AI$19/mo (Starter); includes comment-to-DM but zero AI creditsFlat monthly plan, plus AI-credit add-ons ($12/mo, or $14 per 1,000 auto-recharge)Not found in vendor docsNot found in vendor docsNo Meta partner status found in vendor material
ReplyRush$10/mo (Lite); the free tier has no comment auto-reply at allDMs per month, tiered by planFollow-gated DM from Lite ($10/mo); verification method not documentedNot found in vendor docsClaims a "Meta-approved" badge on their site; which Meta program isn't named
LinkDM$19/mo (Pro); the free tier's comment auto-reply is Pro-onlyDMs per month, tiered by planNot found in vendor docsPlatinum+ only ($99/mo); not documented below that tierMeta Business Partner since 2021, documented on their site
CreatorFlowFree includes comment-to-DM; follow gate needs Pro, $15/mo real rate ($12 annual)DMs per month, tiered by plan; one-time top-up packs cover overageListed as a Pro feature ($15/mo); verification method not documentedNot found; sells one-time top-up packs instead of queuingSelf-described "Tech & Business Approved Meta Provider" since Jan 2026
ReplyKaroFree (₹0 / $0, 1,000 DMs/mo)DMs per month, tiered by planIncluded on the free tier; verification method not documentedA delivery queue exists; priority speed is a paid feature (Pro+)Self-described "Official Meta Tech Provider"
InstantDM$9.99/mo (Legend Pro); homepage and pricing page disagree on whether a free tier existsFlat monthly plan; unlimited contacts on Legend Pro, "truly unlimited" DMs on Trendsetter"Follow-for-link" from Legend Pro; verification method not documentedNot found in vendor docsSelf-described "Official Meta Business Partner"
LinkToDM$15/mo (Pro; free tier excludes the follow ask and all AI)Flat monthly plan; unlimited contacts from Pro upFree excludes an "Ask to follow" feature, implying Pro includes it; the name suggests a request, not a verified checkNot found in vendor docsClaims Meta Business Partner status on their site
Spur$12/mo (AI Acquire; Instagram automation plus Click-to-DM ads)Flat monthly tiers ($12 to $399); 20% off on an annual commitmentNot found in vendor docsNot found in vendor docsMeta Tech Provider, documented on their site; also a Shopify partner
DM Champ$97/mo (Growth, the first tier that includes Instagram; the $27 Starter is WhatsApp and web only)Flat tiers plus AI-response credits (1 credit = $0.10 = 1 AI response)Not found in vendor docsNot found in vendor docsNo Meta partner status found in vendor material

Where each one is strongest

A roundup that says every tool loses to us isn't useful to anyone reading it. Two of these are genuinely the better pick for a specific need: ManyChat if Instagram is one channel among several, and InstantDM if flat, truly-unlimited pricing matters more than a verified follow check. Pick ReplyMagnet if you want the reverse trade: a follow check the API confirms instead of one a commenter self-reports, a flat per-engagement price that can't spike when a post goes viral, an overflow queue on every plan instead of gated to a top tier, and an Instagram integration that cleared Meta's own App Review process. The rest of the honest read, vendor by vendor, follows.

ReplyMagnet

Where we land on our own table: flat engagement pricing with no per-contact scaling, an overflow queue on every plan including free, a follow check the API actually confirms rather than one a commenter self-reports, and an Instagram integration approved through Meta's own App Review process. Instagram only, no multi-channel reach, and priced above LinkDM and ReplyKaro's headline numbers.

ManyChat

ManyChat is the pick if Instagram is one channel among several you run automated messaging on. Messenger, TikTok, Telegram, and, from Pro, WhatsApp, SMS, and email all sit in the same inbox and the same contact record, with a genuinely deep AI suite once you're past the free plan. The trade is active-contact billing: check the real monthly price on the Monthly toggle before comparing it to anyone else's headline number, since Pro's page-load price of $29 is really $39 and Business's $69 is really $99. Full comparison below.

Chatfuel

Chatfuel's real strength is its stated limit model: unlimited contacts and messages, with only AI replies drawing against an undisclosed fair-use allowance. That's a different shape from per-contact billing, and worth knowing about if the concern is a bill that grows with your audience. What we couldn't find anywhere in Chatfuel's material is a documented follow check or an overflow queue; when the AI allowance runs out, the bot pauses instead.

Inrō

Inrō prices by activated contacts on a fine-grained ladder, so a smaller account can stay cheap for a long time, from free at 100 contacts through a long list of narrow bands rather than a handful of big tiers. Its follow-gate loop is described on the company's own blog, but not in its feature table, exactly the kind of gap this comparison exists to flag rather than smooth over.

replient.ai

replient.ai leads with an EU/GDPR angle and reach across Instagram, Facebook, TikTok, YouTube, review sites, and more on every plan. Worth knowing before comparing its €39 headline price to anyone else's: that entry tier is comments-only, DM automation doesn't start until Pro at €129, and removing replient's own branding from the delivery link is an Enterprise-only feature at €249.

FlowGent AI

FlowGent's $19 Starter plan includes comment-to-DM workflows and unlimited flows for one flat price, no separate mechanic-gating trick. It ships with zero AI credits at that tier, and adding them, or removing FlowGent's own branding, both cost extra on top.

ReplyRush

ReplyRush claims a Meta-approved badge and a follow-gated DM from its Lite tier at $10 a month. It's also the one vendor here pricing data retention itself: 30 days free, up to 365 days on its top plan, worth checking if keeping lead history around matters to you.

LinkDM

LinkDM undercuts ReplyMagnet on raw price for accounts and volume: $19 a month for 3 accounts and 25,000 DMs against our $29 for the same account count. What that price doesn't include, by what we could verify in its own material, is a documented follow check, AI matching, or an overflow queue below its $99 Platinum+ tier. Full comparison and migration notes below.

CreatorFlow

CreatorFlow pitches itself directly against per-contact billing: flat DM tiers, a real free plan with comment-to-DM built in, and follow gate, email gate, link tracking, CSV export, and geo analytics all bundled into Pro at $15 real monthly rate. At that price and feature list, it's a genuine budget pick if you're only running one or two Instagram accounts.

ReplyKaro

ReplyKaro is the cheapest follow-gated option we found: included on its free tier, no paid plan required. Its India-focused pricing (₹99 to ₹799 across tiers, with USD listed only through Pro) makes it worth a specific look if budget is the entire decision, though the verification method behind that gate isn't documented beyond the feature being named.

InstantDM

InstantDM is the most direct threat on feature depth at its price: $24.99 a month for what it calls truly unlimited DMs, plus webhook and send API access and AI agents built on Claude, GPT, or Gemini. Its cheaper Legend Pro tier ($9.99) already names unlimited contacts as a feature, with none of the per-contact math ManyChat requires, a real reason to look here if volume anxiety is the whole problem you're solving for. Its pricing page shows only a 7-day trial while the homepage separately claims 500 free credits a month; the two don't agree, so verify directly before signing up.

LinkToDM

LinkToDM's Pro plan, $15 a month with a $10 annual rate, unlocks unlimited contacts and an "AI intent trigger," the same smart-matching idea ReplyMagnet ships on every plan including free. Its free tier is real but deliberately thin: no scheduler, no follow ask, no data collection, and no AI at all, so the comparison that matters is Pro to Pro, not free to free.

Spur

Spur is the pick if you're running a Shopify or D2C store rather than delivering a lead magnet. Its $12 AI Acquire plan pairs Instagram automation with Click-to-DM ad flows, and it's a documented Meta Tech Provider plus a Shopify partner that self-reports 475+ D2C brands, so the store-and-catalog orientation is real. What we couldn't find anywhere in Spur's own material is a documented follow check or an overflow queue, which is why both read as not found rather than confirmed above.

DM Champ

DM Champ is a WhatsApp-first AI agent built with agency-reseller economics, so its cheapest $27 Starter tier runs WhatsApp and web chat only, and Instagram doesn't arrive until Growth at $97 a month. On top of the tier price it meters AI replies in credits, where 1 credit is $0.10 and buys one AI response, so the AI side carries its own per-response cost. If you're an agency reselling white-labeled bots it's built for exactly that; for a single Instagram comment answered with a DM, its Instagram price starts higher than most of this table.

Common questions

Which Instagram comment-to-DM tool is cheapest?

By free-tier availability, several vendors here (ManyChat, Chatfuel, Inrō, ReplyRush, LinkDM, CreatorFlow, ReplyKaro, LinkToDM, and ReplyMagnet's own Starter) offer a genuine $0 plan, though the core comment-to-DM mechanic is sometimes gated to a paid tier (LinkDM, ReplyRush) or its inclusion on the free tier isn't documented (Chatfuel Light). Among paid tiers confirmed to include the mechanic, ReplyKaro's sub-$10 tiers, ReplyRush Lite at $10, and InstantDM's Legend Pro at $9.99 are the least expensive we found among competitors; ReplyMagnet's own Basic tier, at $9/mo, sits in that same range.

Which tools have a verified follow gate?

ReplyMagnet's is API-verified through Instagram's own is_user_follow_business field. Several competitors document a follow-related feature, ManyChat's Follower Status Check, ReplyRush's follow-gated DM, ReplyKaro's free-tier gate, InstantDM's follow-for-link, LinkToDM's Ask to follow, but none of their public material confirms the same API-level verification; treat those as documented features with an unconfirmed verification method rather than a like-for-like match.

What's the difference between per-contact and per-engagement pricing?

Per-contact pricing (ManyChat) bills for every person who interacts with your account in a billing month, so a bigger audience or a viral post adds to the bill even before volume changes. Per-engagement pricing (ReplyMagnet) bills for every reply or DM actually sent, so the number tracks how many comments got answered, not how many people exist in your contact list.

Do any of these tools handle a sudden spike in comments without extra charges?

ReplyMagnet queues any comment past a plan's monthly allowance on every tier, including free, and releases it automatically once headroom opens, with no extra charge. LinkDM documents the same kind of overflow queue, but only at its $99 Platinum+ tier. ManyChat instead bills every contact past your cap automatically rather than queuing anything.

Should I pick a tool that only does Instagram, or one that covers more channels?

If Instagram is the whole job, a focused tool avoids paying for channels you won't use. If comment-to-DM is one piece of a wider automated-messaging setup already running on Messenger, TikTok, Telegram, or WhatsApp, ManyChat is the vendor here built to run all of it from one inbox.

Based on public docs, July 2026. Tell us if we got one wrong and we'll fix it.