WordBite

The cheapest Instagram automation tools, by real monthly cost

By WordBite Editorial. Updated 16 October 2026.

Sticker prices hide the real cost. Most tools charge by something that grows with your audience: DMs sent per month, active contacts, or the number of accounts. So the useful question is not "what is the cheapest plan?" but "what will I pay when 10,000 people comment this month?"

We worked out the cheapest published plan for each tool at three volumes, assuming one DM per commenter. If you use a follow gate or a follow-up message, each commenter may need two or three DMs, which pushes DM-capped plans up faster.

Cheapest plan that covers your monthly commenters (one DM each)
#ToolBest forPrice (checked 16 October 2026)
1Tadlo AICost that does not grow with commentersFree; paid from ₹249 / $5 a month
2InstantDMUnlimited monthly DMs on a low paid planFree (500 DMs/month); paid from $9.99 a month billed yearly
3ReplyKaroThe lowest entry price in IndiaFree (1,000 DMs/month); paid from ₹99 / $3 a month
4LinkDMPredictable tiers for steady volumeFree (1,000 DMs/month); Pro $19 a month
5ReplyRushGenerous DM allowances per tierFree (1,500 DMs/month); paid from ₹900 / $10 a month
6CreatorFlowSmall volumes across two accountsFree (500 DMs/month); Pro $15 a month

1. Tadlo AI

Our top pick

Best for: Cost that does not grow with commenters

Tadlo AI's free plan has unlimited DMs and automations for one Instagram account, so it covers 1,000, 10,000 and 50,000 commenters a month at no cost. Sends are paced within Instagram's limits rather than capped by the month.

You pay only when you want something the free plan does not include: removing the "via Tadlo" line, full lead export, branching flows or more AI reel credits. The Creator plan that adds those is ₹249 a month in India or $5 elsewhere, and it is still unlimited.

Price: Free forever plan with no card needed. Paid plans start at ₹249 a month in India or $5 a month elsewhere. Every plan, including Free, has unlimited automations and unlimited DMs (no monthly DM quota and no per-contact charge; sends are paced within Instagram's limits).

Strengths

  • Unlimited DMs and automations on every plan, including Free, so a viral reel never raises your bill
  • Verified follow gate: checks through Instagram's API whether the commenter really follows you before sending the link
  • Comment-to-DM on any comment or chosen keywords, story reply automation and DM keyword flows in a visual flow builder
  • Email capture, comment-to-product carousels and a link-in-bio page in the same tool
  • Connects with Instagram Business Login on the official API, so no Facebook Page is needed
  • AI reel analysis and analytics on paid plans

Limitations

  • Facebook comment-to-DM and Messenger keyword replies are still being added
  • Newer than ManyChat, so the template library and tutorial community are smaller
  • The Free plan covers one Instagram account
  • The Free plan adds a "via Tadlo" line to DMs and limits lead export to 100 leads

Visit Tadlo AI

2. InstantDM

Best for: Unlimited monthly DMs on a low paid plan

InstantDM's Legend Pro plan is $9.99 a month billed yearly with unlimited DMs, capped at 800 an hour. That covers all three volumes for one account. Below 500 DMs a month the free plan is enough.

Price: Free forever: 1 account and 500 DM automations a month, no card. Billed yearly: Legend Pro $9.99 a month (unlimited, up to 800 an hour), Trendsetter $24.99 (up to 2,000 an hour) and Trendsetter Pro $49.99 (no hourly cap). Multi-account plans: Multi Starter $4.44 per account a month (3 accounts, $160 a year) and Multi Pro $8.25 per account a month (10 accounts, $990 a year). Paid plans have a 7-day trial.

Strengths

  • Unlimited monthly DMs on Legend Pro
  • Free plan up to 500 DM automations

Limitations

  • Hourly cap of 800 on Legend Pro
  • Paid prices are quoted billed yearly

3. ReplyKaro

Best for: The lowest entry price in India

ReplyKaro's paid plans start at ₹99 / $3 a month, and its free plan covers 1,000 DMs, so the first volume tier costs nothing. We did not find DM limits for its paid plans in the published pricing, so check the plan you need before a big campaign.

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

  • Paid plans from ₹99 / $3 a month
  • Free plan covers 1,000 DMs a month

Limitations

  • Paid-plan DM limits not shown in the pricing we checked
  • 3 active automations on Free

4. LinkDM

Best for: Predictable tiers for steady volume

LinkDM covers 1,000 DMs a month free, 25,000 on Pro at $19 a month and 300,000 on Platinum+ at $99 a month. Its cost steps up at fixed points, which is easy to budget.

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

  • Clear monthly DM tiers
  • Free plan for low volume

Limitations

  • $99 a month once you pass 25,000 DMs
  • Branding on the free plan

5. ReplyRush

Best for: Generous DM allowances per tier

ReplyRush gives 1,500 DMs free, 7,500 on Lite at ₹900 / $10, 40,000 on Boost at ₹2,100 / $25 and 400,000 on MAX at ₹8,400 / $100 a month.

Price: Free: 1,500 DMs a month. Lite: ₹900 / $10 a month for 7,500 DMs. Boost: ₹2,100 / $25 a month for 40,000 DMs and 3 Instagram plus 3 Facebook accounts. MAX: ₹8,400 / $100 a month for 400,000 DMs and 5 Instagram plus 5 Facebook accounts.

Strengths

  • 1,500 DMs free
  • Large allowances on Boost and MAX

Limitations

  • Comment auto-reply and follow gate start on Lite
  • 10,000 commenters needs Boost

6. CreatorFlow

Best for: Small volumes across two accounts

CreatorFlow covers 500 DMs free, 5,000 on Pro at $15 a month and 10,000 on Growth at $30 a month. Its published plans stop at 10,000 DMs, so 50,000 commenters is beyond them.

Price: Free: 1 Instagram account and 500 DMs a month. Pro: $15 a month ($12 billed yearly), 2 accounts and 5,000 DMs. Growth: $30 a month ($24 billed yearly), 5 accounts and 10,000 DMs. Pro and Growth have a 14-day trial.

Strengths

  • Two accounts on Pro
  • 14-day trial on paid plans

Limitations

  • 500 DMs a month on Free
  • Published plans top out at 10,000 DMs

Monthly cost at three volumes

Cheapest published plan that covers the volume, one DM per commenter
Tool1,000 commenters10,000 commenters50,000 commenters
Tadlo AIFreeFreeFree
InstantDM$9.99 (billed yearly)$9.99 (billed yearly)$9.99 (billed yearly), 800 an hour
LinkDMFree$19 (Pro)$99 (Platinum+)
ReplyRushFree$25 (Boost)$100 (MAX)
CreatorFlow$15 (Pro)$30 (Growth)Beyond published plans
ReplyKaroFreeCheck paid-plan limitsCheck paid-plan limits
ManyChat$39 (Pro, 2,500 contacts)$199 (Advanced, 25,000 contacts)$199 (Advanced) plus per-contact charges

ManyChat counts people rather than DMs: every commenter you message is an active contact that month. Each plan includes a set number of contacts and then charges per extra contact, so 50,000 commenters goes past the 25,000 that Advanced includes. Essential, at $17 a month, includes 250 contacts.

Hidden costs to check

How to keep the bill low

Start on a free plan with no volume ceiling, so a reel that takes off does not force an upgrade mid-campaign. Pay only when you need a feature, not because a counter ran out. And keep each DM useful, because a message that answers the question in one go saves you a follow-up send.

Frequently asked questions

What is the cheapest Instagram automation tool?

Tadlo AI, at any volume, because its free plan has unlimited DMs. Among paid plans, ReplyKaro starts lowest at ₹99 a month, and InstantDM's Legend Pro, at $9.99 a month billed yearly, is the cheapest we found with unlimited monthly DMs.

Is there an Instagram automation tool with unlimited DMs for free?

Yes. Tadlo AI's free plan includes unlimited DMs and automations for one Instagram account, with sends paced within Instagram's limits.

Why does ManyChat get more expensive as I grow?

Since 2 March 2026 ManyChat bills by active contacts, so every person who interacts with your automations in a month adds to the count that sets your price.

Do I pay more if I use a follow gate?

On tools that cap DMs per month, yes, because a gate usually sends two messages per person. On Tadlo AI it makes no difference, since DMs are unlimited.

Sources