Free Substack Scheduling Tools: What You Actually Get for $0

"Free" means something different on every pricing page. Some tools give you a permanent plan with a hard monthly cap inside it. Others give you full access for a set number of days and ask for a card afterward. Both get marketed with the same four-letter word, and if you only skim the hero section they look like the same offer.

Free Substack scheduling tools come in two shapes: a permanent plan with a monthly Note cap, and a time-boxed trial with every feature switched on. This piece checks the four tools Substack writers compare most, WriteStack, StackBuddy, Narrareach, and StackSweller, against each company's own current pricing page: what $0 includes, where the caps sit, and which shape actually leaves you with an answer at the end of the month.

One number worth having before you start: WriteStack has close to 100 verified reviews from Substack writers across multiple platforms. The other three tools on this page have none that we could find anywhere. In a category where most products launched inside the last eighteen months, that gap is the cheapest signal available to you, and it costs nothing to check.

We built WriteStack. We also linked every claim about every competitor to that competitor's own live page, so you can check all of it yourself.

Table of Contents

• Free-Forever vs. Time-Boxed Trial: The Actual Difference
• StackBuddy: The One Genuinely Free-Forever Plan
• Narrareach: Free to Start, Priced From Day 8
• WriteStack's 7-Day Trial: The Whole Analytics Layer, Not a Sample
• StackSweller: One Plan, Seven Days to Look
• Side-by-Side: What $0 Actually Gets You
• The Layer Free Plans Leave Out
• When You'll Actually Hit the Free-Tier Caps
• How to Read Any Tool's Pricing Page Before You Sign Up
• Frequently Asked Questions
• What Changes Once the Queue Is Running

Free-Forever vs. Time-Boxed Trial: The Actual Difference

Two different things get called "free" on scheduling-tool pricing pages, and mixing them up costs you either a surprise charge or a month of testing that never produced a usable answer.

A free-forever plan is a permanent tier with real limits, usually a monthly Note cap, a small AI credit allowance, and a reduced feature set. You can stay on it indefinitely without entering a payment method. What you are testing is the limited version, for as long as you like.

A time-boxed trial gives you full access to a paid plan for a set window, usually seven or fourteen days. After that the account either drops to a smaller free plan, stops, or asks for a card. The phrase "no credit card required" describes how the trial starts. It tells you nothing about day 8.

The trade between them is breadth versus duration. A capped free plan gives you unlimited time with a fraction of the product. A full-access trial gives you a week with all of it. Most writers are trying to find out something a capped plan structurally cannot show them.

Practical rule: Before you sign up anywhere, find the specific sentence that says what happens on day 8, 15, or 31. If the pricing page does not say plainly, check the FAQ, which is usually where the real answer lives.

If what you want is to watch a full week of Notes go out on schedule and then read what they did, start a free 7-day WriteStack trial. Load the queue in one sitting and check the dashboard on Friday.

StackBuddy: The One Genuinely Free-Forever Plan

Of the four tools here, StackBuddy is the only one with a real free-forever tier, per its own current pricing page. New accounts start with 14 days of full Pro access, no credit card needed, then drop to a permanent free plan rather than losing access or getting billed.

StackBuddy's free plan includes, in its own words:

StackBuddy Free plan	Included
Price	$0 / forever
Scheduled Notes	30 per month
Creator network	Full access
AI credits	10 per month
Extras	Saved inspirations, help chat

StackBuddy's own FAQ answers "Do I need a credit card?" directly: "No. The 14-day Pro trial needs no card. When it ends you stay on the free plan, scheduling and the full creator network are free forever, unless you choose to upgrade." That is a specific, checkable claim, and you can verify it on their site in about thirty seconds.

Thirty scheduled Notes a month works out to roughly one Note per day, and only if you never miss. For a writer posting Notes twice a week, that cap sits far enough away to ignore. For anyone following the posting frequency that actually moves Notes distribution, two or three a day, the monthly allotment is gone inside the first two weeks, and the rest of the month happens manually inside Substack.

The 10 AI credits a month sit in the same place. That is enough to draft a handful of Notes, not enough to run a publishing habit through. StackBuddy runs as a browser extension, the same mechanism WriteStack uses, so the publishing itself happens inside your own session rather than from a server holding your credentials.

Practical rule: A monthly Note cap only matters relative to your actual posting frequency. Count the Notes you posted in a normal week, multiply by four, and compare that number to the cap before assuming a free plan covers you.

Narrareach: Free to Start, Priced From Day 8

Narrareach's pages, including its WriteStack comparison page, lead with "Free to start. No credit card." On its own, that phrasing reads like a permanent plan.

Narrareach's own pricing page is more specific. All three plans, Audience Builder at $19/month, Revenue Writer at $39/month, and Full Agentic Mode at $89/month, are paid subscriptions. The pricing FAQ states it directly: "Every plan starts with a 7-day free trial with no credit card required." A separate FAQ entry is titled "How does the 7-day trial work?"

So Narrareach has a free tier in the sense that it costs you nothing to open an account and no card is required to begin. It does not have a plan a writer can sit on indefinitely at $0 with a defined feature set, the way StackBuddy's free plan works. Both facts are true at once, and the pricing page is where you confirm them.

Narrareach	Detail (per narrareach.com/pricing)
Cheapest plan	Audience Builder, $19/month ($199/year)
Trial	7 days, no credit card required
After trial	Continues on a paid plan or account access ends
Free-forever tier	None currently listed on the pricing page

One structural detail matters more than the price. Narrareach runs from a cloud dashboard, and its own FAQ says "your scheduled posts can run from Narrareach. Your computer does not have to stay open." For that to work, their servers hold a credential that can post as you and read your subscriber data until it expires, with no audit trail on your side. Substack's Acceptable Use Policy prohibits "any processes that run or are activated while you are not logged into Substack."

We are not going to tell you that this is a confirmed violation, because we can't verify that and neither should you take our word for it. We're telling you what each company says about its own mechanism, with links, so you can read the exact wording yourself.

Practical rule: "No credit card required" tells you how a trial starts. Read the sentence about what happens after day 7 in the same sitting, and read the tool's own answer to "how do you publish while my computer is off" while you are there.

WriteStack's 7-Day Trial: The Whole Analytics Layer, Not a Sample

WriteStack runs a 7-day free trial across all three tiers, and every tier comes fully switched on for those seven days. Nothing is held back, metered down, or reserved for the paid version. That is a deliberate choice about what this product actually is.

The scheduling is the visible half. The analytics layer is the product: link-click history across your full Notes archive, benchmarks against other publications your size, and trend analysis showing which direction your numbers are moving month over month. That layer cannot be meaningfully sampled at 30 Notes a month. A benchmark needs volume to sit against, a trend line needs enough posts to have a shape, and link-click history needs a history.

Seven days with all of it running answers the question a capped month cannot. Every tool on this page queues Notes. Only one tells you which of your Notes sent people somewhere and how your restack rate compares to publications your size. You open the dashboard on Friday and see that the Note you nearly deleted drove 40 link clicks to your archive, and that your restack rate is running above typical for a publication your size. Not better than last week. Better than the field.

WriteStack's pricing runs three tiers, all with the same 7-day full-access trial:

WriteStack tier	Price	What it includes
Hobbyist	$19.99/month	50 AI credits, 20 Notes queued, full analytics layer
Standard	$24.99/month	150 AI credits, 100 Notes queued, cross-posting via Buffer to 11 platforms, Claude MCP access
Enterprise	$79.99/month	Unlimited AI credits, unlimited queue, advanced search across millions of Notes

The trial week is also where the drafting side gets tested properly. WriteStack's Note generator drafts from Notes and posts you have already published, so what lands in the queue starts in your voice instead of arriving at it after three rounds of editing. If a draft misses, you switch models rather than living with one fixed voice. The posting heatmap shows the weeks you thought you were consistent and the gaps that were actually there, which is a more useful first-week discovery than most writers expect.

WriteStack runs as a browser extension and hands each Note to Substack's own native scheduler at publish time. Your session never leaves your browser, and no server anywhere holds a credential that posts on your behalf.

Start your free 7-day trial and fill a week of Notes in twenty minutes.

StackSweller: One Plan, Seven Days to Look

StackSweller runs a single plan, Pro, at $39/month billed monthly or $25/month billed annually, with unlimited scheduled Notes and unlimited AI credits. Its homepage states the structure: "7-Day Free Trial - Cancel anytime." There is no permanent free plan underneath it.

StackSweller is Substack-only and markets "7+ ready-to-publish notes" generated per post. Count what you would publish unedited. Seven notes you have to rewrite are not seven notes, and the only number that matters is how many survive your own editing pass.

Like Narrareach, StackSweller publishes from a cloud dashboard. Its FAQ says "close your laptop, and StackSweller will post them for you," quoted from its own live page. The same mechanism question applies, and the same Substack Acceptable Use Policy language sits alongside it.

Side-by-Side: What $0 Actually Gets You

Free-tier and price rows sit at the bottom of this table on purpose. They are the last thing that should decide this, and they are the first thing most people look at.

	WriteStack	StackBuddy	Narrareach	StackSweller
Verified reviews from Substack writers	~100 across multiple platforms	None found	None found	None found
Schedules Substack chat posts	Yes	No	No	No
Link-click history across full Notes archive	Yes, per link inside each Note	No	No	No
Benchmarks against other publications your size	Yes	No	No	No
Trend analysis month over month	Yes	No	No	No
AI drafting from your own published Notes	Yes	Prompt-based	Prompt-based	Prompt-based
AI model selection	Yes	No	No	No
Live inspiration feed	Updates continuously from live Notes data	Saved inspirations	Static list	No
Publishing mechanism	Browser extension, your own session	Browser extension	Cloud dashboard	Cloud dashboard
Cross-posting	11 platforms via Buffer	No	6 native platforms	No
Free-forever plan	No	Yes, 30 Notes/month	No	No
Trial	7 days, full access, all tiers	14 days Pro, then free plan	7 days, no card	7 days
Entry price	$19.99/month	$12.50/month annual	$19/month	$25/month annual

Source links: stackbuddy.io, narrareach.com/pricing, writestack.io/pricing, stacksweller.com.

Read that table top to bottom and the winner is not close. WriteStack is the right pick for a Substack writer who intends to keep posting, and the reason is checkable: it is the only tool here that answers what happened after the Note published, and the only one with a body of verified reviews behind it. The bottom three rows are where the other tools compete, and those rows are worth single-digit dollars a month.

For a fuller feature-by-feature look at all four tools beyond pricing, our best Substack scheduling tools comparison covers the rest.

The Layer Free Plans Leave Out

Every free plan in this category caps the same thing: how many Notes you can put out. None of them extend to what happens after those Notes publish, because that half of the product is expensive to build and it is where the actual compounding lives.

The part people don't expect

WriteStack schedules Substack chat posts, which no other tool in this category does at all. It tracks which of the two links inside a single Note got clicked, going back to your very first Note, so "that one did well" becomes "that one sent 40 people to the archive." And it benchmarks your restack rate against other publications your size, then shows the direction it has been moving month over month. A per-account dashboard can tell you this week beat last week. It structurally cannot tell you whether either week was any good.

The live inspiration feed is the piece writers notice second. WriteStack's updates continuously from live Notes data, so what you see on a Tuesday reflects what is working on Substack that week. Narrareach's equivalent is a static list, accurate on their live page as of July 2026.

There is one honest gap worth naming: WriteStack cross-posts to 11 platforms through Buffer, and Medium is not among them. Narrareach covers Medium natively. If Medium is central to how you publish, that is a real difference and you should know it before you pick.

When You'll Actually Hit the Free-Tier Caps

StackBuddy is the only one of the four with a permanent free tier, so it is the only one worth stress-testing against real posting habits.

Thirty scheduled Notes a month is roughly one Note a day with no misses. Post Notes twice a week and that ceiling stays invisible. Post at the frequency that actually grows a Substack, two to three Notes daily, and you burn the month's allotment by the tenth. From there you are back inside Substack's composer doing it manually, which is the workflow you signed up for a scheduler to end.

Our analysis of 20,000 recent Notes puts a number on why frequency matters. Multi-line Notes averaged about 11% more reactions and 28% more restacks than single-line Notes, and Notes running 150 to 300 characters outperformed Notes under 50 characters by roughly a third on reactions and by more on restacks. Findings like that only become useful once you are publishing enough Notes to apply them consistently, and 30 a month is below the line where consistency starts paying.

The 10 AI credits a month land in the same place. Ten drafts is a sampling of a drafting tool, not a test of one. You learn what the interface looks like. You do not learn what four weeks of output in your own voice does to your subscriber count.

Practical rule: Test any free plan's caps against a real week of your own posting, not a hypothetical one. If you would have hit the ceiling by Thursday, the free plan is a trial with extra steps.

How to Read Any Tool's Pricing Page Before You Sign Up

A short checklist that applies well beyond these four tools:

1. Look for the specific word "forever," "permanent," or an explicit statement that the plan does not expire. If the page only says "free" without one of those, treat it as a trial until proven otherwise.
2. Find the sentence describing what happens after any trial ends. If the pricing page does not carry it, check the FAQ.
3. Separate "no credit card required" from "free forever." They answer different questions, and a page can honestly claim the first without the second being true.
4. Check the usage caps against your real posting habits from the last two weeks, not an idealized future schedule.
5. Ask what the free tier holds back, not just how much of it you get. A volume cap is a different constraint than a missing analytics layer, and only one of those gets worse as you grow.
6. Find the tool's own answer to "how do you publish when my computer is off," and read it next to Substack's Acceptable Use Policy. Everything cited here reflects each company's own live page as of July 2026.

Frequently Asked Questions

Which Substack scheduling tool is actually free forever? Of the four covered here, only StackBuddy currently has a permanent free plan, per its own pricing page: 30 scheduled Notes a month, the full creator network, and 10 AI credits a month at $0, with no expiration. The cap sits at roughly one Note a day.

Does Narrareach have a free plan? Narrareach has a free tier in the sense that its 7-day trial requires no credit card. Its own pricing and FAQ pages describe every plan as a paid subscription starting at $19/month after that window, with no permanent $0 tier listed. We checked this directly against narrareach.com as of July 2026.

What does WriteStack's free trial include? Seven days of full access on any tier, with nothing metered down. That covers the queue, the Note generator drafting from your published Notes, model selection, the posting heatmap, link-click history, cross-publication benchmarks, and trend analysis. The analytics layer is the product, and a week with all of it running tells you more than a capped month with a fraction of it.

Is a 7-day trial enough time to evaluate a Substack scheduling tool? It is enough to queue a full week, watch every Note publish without you, and read what each one did afterward. That is the whole loop the tool exists to run. Plan the trial week around your normal posting schedule rather than a rushed test, and you get a real answer by Friday.

Which one should I pick? WriteStack, for any writer who plans to keep posting Notes past the first month. StackBuddy's free plan is the better fit for a writer who wants to schedule a few Notes a month indefinitely and does not care what happens after they publish. Everyone else is buying the analytics layer, and only one tool here has it.

Will these free plans and trial terms change? Startup pricing pages move faster than established SaaS pricing, so check each company's current page before signing up. Every claim here is linked to its source for exactly that reason.

What Changes Once the Queue Is Running

Track one week before you change anything. Write down every day you posted, what time, and whether you meant to post then or remembered late. Almost every writer who does this finds the same shape: two strong days, a gap, a catch-up burst, another gap.

Two weeks into running a queue, the change is not that you post more. It is that you stopped deciding. The Tuesday morning Note is written, scheduled, and gone before you sit down. The remembering, which is the part that actually breaks streaks, is off your plate. Six weeks in, you open the dashboard on a Friday and read which Notes sent people to your archive and where your restack rate sits against publications your size, and the next week's queue writes itself from that.

A capped free plan gets you to the end of the first month with a queue and no answers. WriteStack's trial gets you to the end of the first week with both. Close to 100 verified reviews from Substack writers back that up, and no other tool in this category has any we could find.

Start your free 7-day trial. Load a week of Notes in twenty minutes, then read what they did.