The best Shopify inventory apps, compared honestly

Every price, review count, and rating in this article was pulled from live Shopify App Store listings and vendor pages in late October 2026, and every app's main limitation is stated in its own entry. That includes the app we make. InventoryX appears once in the table and once below it, with its weaknesses next to its strengths, because a comparison that hides its sponsor's flaws isn't a comparison — it's an ad.

One honest caveat before the table: the top search results for "best Shopify inventory app" are marketplace pages and Shopify's own blog, neither of which can tell you that a specific app gates its purchase orders behind a $59.99 tier or that a free app is seven months old. This page exists for the long-tail question those pages can't answer: which of these fits my store, my budget, and my workflow. If you want price-band analysis instead of per-app detail, the pricing guide covers that separately.

Choose in 60 seconds

Answer four questions and you're down to two or three candidates:

1. How big is the catalog?

• Under ~100 SKUs with stable demand: start with native Shopify plus spreadsheet discipline (see the section at the end). An app may genuinely be premature.
• 100–1,000 SKUs: budget and mid-band apps fit — Tallyfold, Stockie, Stockroom.
• 1,000–5,000 SKUs or multi-location: you need per-location forecasting and stronger reporting — Stockie Pro, Assisty, Prediko, Fabrikatör.

2. What's the monthly budget?

• $0: native + Stockroom.
• $5–15: Tallyfold ($5), Stockie ($4.99+), and other budget tiers below.
• $30–60: Stockie Pro tiers, Sumtracker ($59+).
• $99+: Assisty ($199 tier), Fabrikatör ($99+), Prediko (from $49, revenue-gated), or quote-based tools like Inventory Planner by Sage.

3. Do you sell on Shopify POS / in person, or D2C only?

• POS and physical retail: Stockroom (built for PO-and-receive workflows, has a POS extension) and Stockie (multi-location stocktakes) were designed with this in mind. Several D2C-focused planners treat POS volume as an afterthought — check before you commit.
• D2C only: every app in the table works; optimize on price and features instead.

4. Do you sell beyond Shopify (Amazon, Etsy, wholesale)?

• Yes: multichannel sync is the requirement, and that's Sumtracker's territory ($59–119/mo). Prediko also syncs Amazon, Faire, and Etsy, but its pricing gates smaller stores out.
• No: don't pay for sync. Skip Sumtracker and spend the budget on reorder intelligence instead.

Now the full table.

The comparison table

All figures verified from live App Store listings, October 2026.

Per-app profiles

Native Shopify. Since the Stocky sunset on August 31, 2026, the admin covers purchase orders, transfers, stock counts with approval workflows, supplier records, and ABC analysis. For a store under ~100 SKUs with predictable demand, this plus a disciplined spreadsheet may be all you need. What native doesn't do: standing reorder points, forecasting, or any report that shows what an out-of-stock period cost you. (Shopify Help Center, accessed Oct 2026.)

Stockroom (by MyWorks, free, Built for Shopify) is the closest thing to a free Stocky replacement for purchasing workflows: unlimited POs and suppliers, partial receiving, supplier returns, bills of materials, and QuickBooks/Xero sync. It launched in July 2026, so the 59-review base is small even at 4.9★, and it has no deep forecasting — it manages what you've decided to buy, but doesn't tell you how much to buy. (Stockroom App Store listing)

Tallyfold ($5/mo flat) is a bet on simplicity: a read-only restock plan with an order-by date and quantity for every variant, each number explained in plain language you can verify by hand. It can't change products, orders, or inventory — you act on its advice natively. Zero reviews since its September 11, 2026 launch means you'd be an early adopter, and read-only means no receiving or PO tracking inside the app. (Tallyfold App Store listing)

Stockie ($4.99–59.99/mo, 167 reviews at 4.9★, Built for Shopify) is the volume favorite among Stocky refugees. The tier structure matters more than the headline price: $4.99 buys alerts and reorder calculations, $29.99 adds per-location forecasting, lead times, and min/max, and purchase orders, supplier management, landed costs, and barcode receiving all live on the $59.99 Pro Plus tier. Budget for the tier you'll actually need, not the entry price. (Stockie App Store listing)

InventoryX ($9.99/mo) takes the opposite cut of the problem: instead of forecasting, it measures what stockouts already cost you. It keeps a stockout-days ledger per SKU, computes demand excluding out-of-stock days, attaches an estimated lost-revenue figure (labeled as an estimate — the out-of-stock days are facts, the dollar conversion is not), and ships a weekly Buying List with order-by dates. The honest limitations: there is no forecasting dashboard, no multichannel sync, no bundle intelligence, and the app is pre-launch — no public reviews yet. It's listed here because the loss-visibility gap is real, not because it's the safest pick in the table.

Assisty (free–$199/mo, 359 reviews at 4.8★) has the largest review base and the widest analytics range, with a genuine free plan and AI forecasting from $19. The recurring note in critical reviews is scope creep: one 1-star public App Store review from August 2026, written by a year-long user who had referred others, says the app "has become excessively complex… too much information… too slow for professional use." A founder reply from January 2025 acknowledged that reorder suggestions then used the same min/max levels for all products. Plan onboarding time accordingly. (Assisty App Store listing)

Prediko (free to install, plans from $49/mo on revenue-based pricing, 265 reviews at 4.9★) is the category's best-funded player and the strongest fit for brands above roughly $1M GMV: an AI agent named Pia, forecasting, raw-materials and BOM planning, transfers, and 100+ integrations including Amazon, Faire, and Etsy. The revenue-gated structure with sales-assisted tiers above ~$2M GMV is precisely what excludes most sub-$2M stores. In public reviews, a 1-star reviewer (May 2026, five months in) says the software was "not capable of handling our bundle predictions," and a 3-star reviewer (September 2026) calls the prediction method "a black box." (Prediko App Store listing)

Fabrikatör ($99–199/mo, 112 reviews at 4.8★) is strong for apparel-style catalogs: SKU-level forecasts, bundle planning, backorders and pre-orders with Klaviyo integration, and PO automation. Pricing is tiered by annual revenue ($99 up to $500k, $149 to $1.5M, $199 to $2.5M), so it starts where the budget tools end — the question is whether the forecast quality delta justifies the jump at your size. (Fabrikatör App Store listing)

Sumtracker ($59–119/mo, 127 reviews at 4.8★) owns the multichannel problem: real-time sync across Amazon, eBay, Etsy, and Walmart, plus bundles, POs, and replenishment suggestions. If you sell only on Shopify, the sync is the product, and you'd be paying for what you don't need. (Sumtracker App Store listing)

EasyScan (377 reviews at 5.0★, Built for Shopify) is the counting specialist: stocktakes, barcode receiving, and SKU/label printing. It pairs well with a planner rather than replacing one — it tells you what you have, not what to buy next. (EasyScan App Store listing)

Inventory Planner by Sage is the enterprise incumbent: mature replenishment planning, open-to-buy, and expert-led onboarding, sold quote-only and typically on annual contracts. (Inventory Planner App Store listing, accessed Oct 2026.) Most sub-$2M stores won't clear the entry conversation, let alone the price.

Cin7 Core (from $349/mo) is an ERP, not an app: landed costs, BOMs, lot tracking, multi-branch. Listing it here is a boundary marker — if you've outgrown Shopify-native purchasing and every app above, this is the next category, with ERP-level implementation effort to match. (Cin7 pricing page, accessed Oct 2026.)

Skip the app entirely if…

This section costs us clicks and saves you money. You don't need an inventory app if:

• You're under ~100 SKUs and your demand is stable enough that a weekly check catches everything.
• Your lead times are short and consistent (you can reorder from memory and rarely get burned).
• You can answer, without checking: which SKUs will run out in the next 14 days, and what's the order-by date for each? If a spreadsheet gives you that in 20 minutes a week, an app is automation of a solved problem.

The honest failure mode of the spreadsheet approach isn't arithmetic — it's discipline. The sheet drifts out of date, the reorder points stop getting recalculated, and the first symptom is a stockout you discover from a customer email. If that describes last quarter, the inventory spreadsheet template plus a fixed weekly review is the cheapest fix to try before paying for software. And if you're migrating from Stocky rather than starting fresh, the Stocky alternatives comparison covers the migration-specific angle.

Decision paths by scenario

"I just left Stocky and need the fastest safe landing." Export your data first, then shortlist Stockroom (free, imports Stocky data) and Stockie (167 reviews of refugees doing the same). The full process lives in the inventory management guide and its Stocky migration hub.

"I keep running out of my best sellers and don't know what it's costing me." Two different problems. If you don't know what to reorder and when, you need reorder math: Tallyfold ($5) or Stockie Pro ($29.99). If you know your buying is fine but suspect stockouts are already bleeding revenue silently, that's the loss-ledger problem — one $9.99 tool in the table is built for exactly that (see its profile above), and what an out-of-stock product actually costs walks the estimation method.

"I sell on Amazon and Etsy and Shopify is just one channel." Sumtracker, full stop. Don't buy a Shopify-only planner and hand-sync the rest.

"We're doing $1.5M+ and the founder is tired of spreadsheets." Prediko or Fabrikatör — both are revenue-tiered, both will onboard you properly, and at your scale the $99–199 is defensible. Take the trial with your worst data (seasonal SKUs, bundle components), not your cleanest store.

"I need purchase orders and nothing else." Native Shopify POs are free and genuinely usable, and Stockroom adds unlimited POs at $0 — don't buy a $199 planner for PO creation.

The next step

Pick by constraint, not by feature list: if budget is the constraint, the $0/$5/$10/$50/$300 price-band breakdown shows what each band actually buys; if the stockout problem is the constraint, start with the loss estimation method and let the numbers pick the app for you.