Most “free” in this category means a fourteen-day trial with a card on file. A few tools have a genuine free tier. Here is which is which, and how much you can do before paying.
The short version
DM Automation — ours — is free forever on one account, with real comment-to-DM, story reply and keyword automations, mobile apps included and no card required. Limits are on message volume rather than features, so you can test the thing you actually want to test.
InstantDM is the closest equivalent and the alternative we recommend. Same idea: guided setup, good mobile apps, free plan with no card. Click tracking sits behind its paid tiers.
ManyChat has a free tier limited by contacts. Full builder access, but every unique person who messages you counts toward the cap permanently, so a single good Reel can exhaust it.
SendPulse has a free tier with message limits, inside a suite that also includes email and SMS. Instagram features are thinner than the specialists.
Chatfuel and Respond.io are trial-only. You will be paying within two weeks.
What free is actually good for
The point of a free plan is not to run your business on it. It is to answer one question: does my audience respond to DMs?
That question takes about a week and a few hundred messages to answer. If the answer is yes, upgrading is easy to justify. If it is no, you have learned something important for nothing.
This is why trial-only pricing is worse than it looks. A fourteen-day window forces you to test during whatever two weeks happen to follow signup, which may not include a post that performs.
What you give up
Free plans differ in where they cut.
Volume caps are the honest version. You get every feature and run out of messages. When you hit the cap you know exactly what you are buying.
Contact caps are the one to watch. They count people, not messages, and they do not reset. Six months of moderate traffic can put you over the line without a single viral post.
Feature gates are the frustrating version, where the free plan runs but the thing you need sits behind the paywall. Common gates: link click tracking, removing vendor branding, follow-up messages, and email capture.
Branding on your automated messages is standard on free tiers and usually the first thing people pay to remove.
How far you can get on our free plan
Concretely, the free plan covers:
- One connected Instagram account
- Comment-to-DM automations on any post
- Story reply automations, keyword or catch-all
- Keyword triggers in the inbox
- A welcome message
- The iOS and Android apps, with full automation building
- Basic reporting on triggers and messages
That is enough to run all four of the automations we recommend in the complete guide. The cap is on monthly automated DMs, so a quiet month costs nothing and a busy one tells you clearly it is time to upgrade.
Paid tiers add volume, click tracking, follow-ups, email capture in the thread, and branding removal.
When to stop being free
Three signals, any one of which is enough:
You hit the cap mid-month. Messages stopping is worse than paying.
You need click data. Once DMs are producing revenue, not knowing which message drives clicks is expensive guesswork.
Branding is costing you. For a business account, vendor branding on outbound messages reads as amateur. Worth the first tier by itself.
Free tools to avoid entirely
Anything asking for your Instagram password. Chrome extensions that “mass DM your followers”. Anything offering to message people who have not contacted you.
These are free because they are not using Meta’s API, and the cost is your account rather than your money. The safety guide covers how to tell the difference in one question.
Start here
Sign up free, connect the account, and put a comment-to-DM automation on your best recent Reel. Ten minutes, no card, and by tomorrow you will know whether this channel is worth funding.
If you want the pricing picture across the whole category first, we broke it down here.