Free inventory apps for Shopify: what free covers, and where it stops
Free Shopify inventory apps are a scope decision, not a price. The four meters every free tier uses, a comparison of what each covers, and the breakpoints.
InventoryX is in development and not available today. ClearStock is the live Shopify app.
A free inventory app for Shopify is not a cheaper version of a paid one. It is the same software with a ceiling, and the entire evaluation comes down to whether your store fits under that ceiling this quarter. Get that right and free is genuinely sufficient — Shopify's admin plus one free tier can run a store of a few hundred SKUs. Get it wrong and you will build a weekly routine on top of a tier that locks when you add your hundred-and-first product.
Everything below reflects listings and pricing as they stood at the time of writing (November 2026). Free tiers change more often than paid ones, so confirm the ceiling on the listing before you plan around it.
The three places "free" actually exists
Included with your plan. Shopify's admin carries a real inventory core at no extra cost: quantities per variant and location, transfers, purchase orders with supplier records, and stock counts with a planned date and manager approval — created in the admin on desktop and counted there or in POS with a POS Pro subscription. Native counts cannot be scheduled to recur, and they cannot be exported. No install, no meter, no upsell.
A standing free plan. A small number of apps carry a permanent $0 tier — ClearStock's covers 100 products with two discount rules and five exclusions, and Assisty advertises a free plan with analytics on paid tiers. These exist to let a store prove the workflow before paying, and the limits are the product.
A metered entry tier. Some listings show a low price rather than zero, and the low price is really a meter: Stockie's entry tier, for example, covers alerts and reorder math while forecasting and purchasing sit higher up. Nothing wrong with the model — the mistake is reading the entry price as the price.
The four meters to check before you install anything
Every free tier is capped on at least one of these. Write down your number next to each before you compare apps.
- Products or variants. The most common cap, and the one that bites quietly. A 500-product catalog with size and colour variants can be 2,000 variants, and a 100-product cap is then a 5% sample of your store.
- History window. A 30-day or 90-day lookback cannot see a seasonal pattern. On a steady catalog that is fine; on a seasonal one it is blind by construction.
- Write access. Many free tiers are read-only, which is a legitimate design — you act in Shopify, the tool advises. But it changes your week: no PO drafting, no automatic price changes, no updates pushed back.
- Locations and seats. Free tiers concentrate on one location and often one user. If you have a second stockroom or a second person doing the buying, check whether that is even representable.
The free-tier comparison table
| Option | Free ceiling at time of writing | What it actually does inside that ceiling | First thing you lose when you outgrow it |
|---|---|---|---|
| Shopify admin | No cap | Quantities, transfers, purchase orders, stock counts with approval, adjustment history | Nothing — but it never had reorder logic or loss visibility to begin with |
| Shopify admin + Flow | No cap on alerts, but you build them | Low-stock alerts assembled by hand; no buying list | The maintenance of the automation itself |
| ClearStock Free | 100 products, 2 rules, 5 exclusions | Velocity and days of cover, five statuses, aging report, automatic discount runs with a cap, price restore | The 101st product, and rule count before that |
| Assisty free plan | Advertised on the listing; check the current terms | Analytics at the entry level | The forecasting and multi-location features that solve the reorder decision |
| Stockroom-style purchasing | Free tier covering POs and receiving | Purchase orders, partial receiving, supplier records, accounting sync | Nothing you need at small scale; depth arrives with the catalog |
| InventoryX | None — not available | In development; no free tier exists to install | Not applicable. Do not include it in a free-app shortlist |
Two patterns are worth noticing. First, free tiers split into deciding and recording: a clearance or reorder tier decides, and a purchasing tier records what you already decided. Those are complements, and stacking one of each costs nothing. Second, the ceilings are not the same kind of number: a product cap is a wall you hit on a specific day, while a history window is a slow blindness you may not notice for a season.
Where free stops, by store shape
| Your store | Does free hold? | What breaks first |
|---|---|---|
| Under ~100 products, one location, one buyer | Yes, comfortably | Nothing — free covers deciding and recording |
| 100–500 products, steady demand | Mostly, with two free tiers stacked | The product cap arrives without warning on a launch day |
| 100–500 products, strongly seasonal | No | Short history windows cannot see last year's peak |
| Multi-location, even two | No | Location logic and per-location planning are paid features |
| Selling on Amazon or Etsy alongside Shopify | No | No free tier syncs channels |
| Bundles or kits | No | Bundle demand decomposition is a paid modeling feature |
The middle rows are where most readers sit. The practical answer there is not a bigger app — it is a flat-price tier at $5–$10 a month, which is the cheapest legitimate upgrade in this category and still less than an hour of your time per month.
The honest cost of the free route
Free is not free if it costs hours. Illustrative arithmetic, with your own numbers substituted:
- A 300-SKU catalog reviewed weekly at roughly 30–45 seconds per SKU is 2.5 to 4 hours a week — call it 12 hours a month.
- At an illustrative $30–$40 per hour of owner time, that is $360–$480 a month of labour to avoid a $0–$10 subscription.
- Add the error rate: manual reviews miss things, and one missed bestseller in a month typically costs more than a year of the paid tier.
The counter-argument is real, though: those hours buy transparency. When you do the math yourself you know why every number is what it is, and you will defend it to a co-founder without a dashboard. The question is whether those hours are genuinely spare or borrowed from something better.
Testing a free tier in thirty minutes
Do this before you build a routine on any free plan:
- Install it and connect the store. Note the install time. Over 15 minutes is a warning.
- Check its product count against your variant count, not your product count. Ask the app to display how many items it is tracking.
- Pick three SKUs you know well — one bestseller, one slow mover, one seasonal — and verify the app's velocity and cover figures against your own arithmetic.
- Find the ceiling statement in the listing or billing screen and write down the exact number. If you cannot find it, that is the answer.
- Set a calendar reminder before you hit the cap, so the upgrade is a decision you make rather than a surprise you absorb mid-season.
What no free tier will include
- Forecasting. Demand modeling is a paid feature essentially everywhere. Free tiers handle lookback, not lookahead.
- Multi-location logic. Location-level planning is the classic upgrade boundary.
- Automation that spends money. Draft purchase orders, automatic price changes, automatic transfers — anything that commits cash is paid, and that is a defensible design.
- Support with a name attached. Free tiers come with documentation. When a count is wrong the night before a launch, that asymmetry is what you are paying for later.
The one exception worth naming: ClearStock's free tier does write prices, through rules you enable, with a cap and a full run history. That is unusually permissive for a $0 plan, and it is why the exclusions matter — protect your bestsellers and your new arrivals before you run anything.
Common questions
Are there genuinely free inventory apps for Shopify? Yes, in two forms: tools included with your Shopify plan, and a small number of standing free tiers — ClearStock for clearance up to 100 products, Assisty for analytics, purchasing-first apps for PO recording. Every one of them is capped on products, history, write access, or locations.
What does Shopify include without an app? Quantities per variant and location, transfers, purchase orders with supplier records, stock counts with approval, and adjustment history. What it lacks at the time of writing: a native low-stock email alert (you build one in Flow), standing reorder points, and any report showing what a stockout cost you.
Is a free app enough for 500 SKUs? Only with a stack: native admin for quantities, one free tier for the decision layer on your fastest movers, and a free purchasing tier for records. Past a few hundred products the product caps start to bite, and $5–$10 a month is the realistic floor.
What is the catch with free inventory apps? Caps, not tricks. Product and variant limits, 30- or 90-day history windows, read-only access, and single-location scope. None of it is hidden, but all of it is easy to miss on a listing page.
When should I pay? When you hit a ceiling you cannot work around, when your catalog is seasonal enough that short history misleads you, or when the weekly manual review costs more in hours than the subscription. The full ladder of what each price band buys is on the pricing page.
Next step
Open Shopify's inventory section today and confirm what you already have: purchase orders, a saved view for low stock, and one Flow alert for your ten fastest SKUs. Then trial one free tier on your real catalog for a week and check its velocity numbers against your own arithmetic. When the ceiling arrives — and it will, on a launch day — the full comparison of what each app is for is the page to open before you upgrade.