Katana vs. Cin7 Core: Which Inventory System Fits Shopify?
An inventory management system (IMS) is a WAIT for single-brand Shopify stores with 1–3 locations: native inventory covers transfers, purchase orders and Sidekick forecasting since Stocky's sunset on August 31, 2026. Katana wins the head-to-head for makers who need bills of materials, from $299/month on Core (verified Sep 2026). Cin7 Core wins for multi-channel volume, at $349–$1,199/month by sale orders a year and integrations (verified Sep 2026). Never build an IMS.
Your profile — see how the verdict shifts
- Confidence
- High — Native inventory's post-Stocky scope is verified on Shopify's own help page, both apps carry verified tiers, and the boundary between them is structural: Katana sells production and bills of materials, Cin7 Core sells multi-channel order-volume tiers. Cin7 Core's 49 reviews are the thin spot.
- Reference scenario
- $20M–$100M GMV · single brand on one Shopify store · 2–3 stock locations · no manufacturing · no marketplaces
- As of
- September 2026
Decision at a Glance
| Your profile | Verdict | Why |
|---|---|---|
| Single brand, one store, 1–3 locations, no manufacturing | WAIT | Native inventory covers tracking, transfers with in-transit quantities, purchase orders with supplier and cost tracking, and Sidekick forecasting (verified Sep 2026). Export any Stocky history during the read-only window and keep the $299–$1,199/month (verified Sep 2026) in the business. |
| Makers: bills of materials, production scheduling, kitting | BUY | Katana wins: production scheduling and bills of materials are its core product, free up to 30 SKUs and $299/month on Core with unlimited SKUs and users (verified Sep 2026). Cin7 Core adds material requirements planning only on Pro at $599/month (verified Sep 2026). |
| Multi-channel: marketplaces or wholesale from one stock pool, 6,000–24,000 sale orders a year | BUY | Cin7 Core wins: Standard at $349/month covers 6,000 sale orders a year and 2 integrations, Pro at $599/month covers 24,000 and 4 integrations, with unlimited locations on both (verified Sep 2026). Katana's Core bills locations and sales orders on volume above its base (verified Sep 2026), so get that quote in writing. |
| Multi-warehouse purchasing at six-figure order volumes | BUY | Cin7 Core's Advanced tier covers 120,000 sale orders a year, 6 integrations, 15 users and advanced warehouse management at $1,199/month (verified Sep 2026). Integrate it, don't rebuild it; native stays the system of record for products, not the warehouse. |
What Katana vs. Cin7 Core Actually Drives
| Outcome | Impact | How it works |
|---|---|---|
| Operational efficiency | High | Purchase orders, transfers and forecasting in one admin remove the spreadsheet layer that small ops teams run, and either IMS extends the same discipline across channels, warehouses or a production floor. |
| Revenue — indirect | High | Fewer stockouts on bestsellers and fewer oversells across channels protect revenue you already earned the demand for; forecasting is where every lane pays back. |
| Data & insight | Medium | Unlimited inventory history and custom reports in native, or landed cost and production yield in an IMS, turn buying from instinct into evidence. |
| Customer experience | Medium | Accurate availability by location keeps pickup promises and delivery dates honest, which is the customer-facing face of inventory accuracy. |
| Retention & LTV | Low | Inventory accuracy prevents the canceled-order experience that ends relationships, but it rarely creates loyalty on its own. |
Spend ceiling: Spend on the trigger, not the category: a single-brand store's ceiling is $0 plus Flow time (included with your plan); a maker sizes Katana to its production volume and a multi-channel operation sizes Cin7 Core to sale orders a year, treating implementation as the real cost.
What buying enables (top apps)
- + Bills of materials, production scheduling and material requirements planning on Katana and on Cin7 Core's Pro tier (verified Sep 2026)
- + Multi-channel allocation across Shopify, marketplaces and wholesale from one stock pool
- + Landed cost, supplier performance and warehouse management at six-figure order volumes
- + One vendor accountable for the whole purchasing and stock workflow
What building additionally unlocks
- + Zero subscription and zero sync: stock, purchase orders and history live in the same admin as your orders
- + Sidekick forecasts read your sales data directly with no export step (verified Sep 2026)
- + Flow automations tuned to your reorder rules instead of a vendor's defaults
Find Your Verdict in 3 Questions
Do you sell from one inventory pool across marketplaces or wholesale channels, or make products with bills of materials?
Yes: Go to question 2.
No: Your verdict: WAIT — native inventory covers tracking, transfers, purchase orders and forecasting for a single-brand store; configure it and export any Stocky history now.
Is manufacturing, kitting or production scheduling the job?
Yes: Your verdict: BUY (Katana) — bills of materials and production scheduling from $299/month on Core (verified Sep 2026); confirm the volume-based location and order charges before signing.
No: Go to question 3.
Are oversells across channels or multi-warehouse purchasing costing you money today?
Yes: Your verdict: BUY (Cin7 Core) — match the tier to sale orders a year, 6,000, 24,000 or 120,000 at $349–$1,199/month (verified Sep 2026), and budget implementation as a project.
No: Your verdict: CUSTOMIZE — Flow rules plus a light custom sync or report for the one channel that strains native; re-run this page when a second one appears.
The TCC Scorecard — 12 Dimensions
TCC — Total Cost of Capability: what it actually costs to have this capability over three years, whichever way you get it. Each dimension is scored 0–5 for both paths. How we score →
| Dimension | Buy | Build | Why |
|---|---|---|---|
| Cost | |||
| Acquisition & implementation | A Cin7 Core rollout is a project: data migration, SKU mapping and channel connections run an estimated $10,000–$40,000 in services (Deploi estimate, illustrative); native inventory is configuration inside the admin you already use. | ||
| Recurring fees | Cin7 Core runs $349–$1,199/month and Katana's Core $299/month plus volume-based charges for locations and sales orders (verified Sep 2026); native inventory is included with your plan. | ||
| Maintenance & upgrades | The vendor maintains the IMS, but you maintain the sync: SKU mismatches and connector breakages are a standing ops task. Native inventory upgrades ship with the admin. | ||
| Switching & exit | Purchase-order history, supplier records and forecasting models live in the IMS; leaving means re-keying suppliers and losing history. Native data stays in Shopify's unlimited inventory history (verified Sep 2026). | ||
| Risk | |||
| Vendor risk | Cin7 Core still lives under its legacy DEAR Inventory slug with 49 reviews, and Katana renamed from Katana MRP (verified Sep 2026): established vendors whose rebrands re-price contracts. Shopify's own inventory is the safest counterparty. | ||
| Security & compliance surface | An IMS holds supplier costs, landed costs and every order across channels, one more system in scope for access reviews; native keeps that data inside Shopify's existing controls. | ||
| Platform-deprecation exposure | Stocky's sunset on 2026-08-31 is the cautionary tale in both directions: a first-party tool ended and its jobs moved native. Third-party IMS connectors ride the Admin API's six-month version cycle. | ||
| Value | |||
| Fit to requirement | For a single-brand store native fits; Cin7 Core earns its fee on multi-channel allocation and order-volume tiers, Katana on bills of materials and production scheduling. | ||
| Time to market | Native inventory is live now; an IMS takes an estimated 8–16 weeks from contract to trusted numbers (Deploi estimate, illustrative), and the untrusted middle is the risky period. | ||
| Performance & scale | Cin7 Core's tiers scale from 6,000 to 120,000 sale orders a year with unlimited locations (verified Sep 2026); native inventory scales fine on locations but leans on Flow and reports for orchestration. | ||
| Data ownership & AI-readiness | Sidekick forecasts and rebalancing suggestions read your Shopify sales data directly (verified Sep 2026); an IMS holds richer supply data, but behind its own export and API limits. | ||
| Focus & opportunity cost | Running an IMS is an ops role, not a tool; single-brand teams spend that attention better on buying discipline inside native. | ||
The App Landscape
| App | Status | Pricing | Best for |
|---|---|---|---|
| Katana | Live — 4.2★, 131 reviews; formerly Katana MRP | Free plan up to 30 SKUs; Core $299/month with volume-based charges for locations and sales orders (verified Sep 2026) | Makers and small manufacturers who need bills of materials and production scheduling |
| Cin7 Core | Live — 4.6★, 49 reviews; listed under its legacy DEAR Inventory slug; no Built for Shopify badge | Standard $349/month (5 users, 2 integrations, 6,000 sale orders a year, unlimited locations), Pro $599/month (10 users, 4 integrations, 24,000 orders, material requirements planning), Advanced $1,199/month (15 users, 6 integrations, 120,000 orders, advanced warehouse management); annual billing saves 8%; 14-day free trial (verified Sep 2026) | Multi-channel brands with 6,000–120,000 sale orders a year and unlimited locations |
| Native Shopify inventory + Flow (build lane) | Build lane — The lane head-to-heads hide: multi-location tracking, transfers, purchase orders and Sidekick forecasting, native on every store since Stocky's sunset | Included with your plan (verified Sep 2026); optional custom glue for one channel an estimated $8,000–$20,000 (Deploi estimate, illustrative) | Single-brand stores with 1–3 locations, no manufacturing and no marketplaces |
The Build Path
- Native inventory, configured properly: Locations, transfers with in-transit quantities, purchase orders with supplier and cost tracking, and unlimited inventory history with custom reports; Sidekick supplies demand forecasts and rebalancing suggestions (verified Sep 2026).
- Flow for the ops rules: Low-stock alerts, auto-tagging on backorder, and reorder reminders as Flow workflows, replacing what small teams used to run in a spreadsheet or in Stocky.
- Light custom glue where a channel needs it: A metafield-driven reorder-point report or a marketplace sync worker on the Admin API, an estimated $8,000–$20,000 (Deploi estimate, illustrative), when one channel strains native without justifying Cin7 Core.
- Not recommended: a custom IMS: Purchasing, allocation and forecasting engines are vendor products with decades of edge cases; building one is a multi-year program that no mid-market store should fund.
- Effort band
- Native configuration costs nothing; the optional custom glue runs an estimated $8,000–$20,000 (Deploi estimate, illustrative), inside the $10–25K contact-form band
- Typical timeline
- Native setup in 1–2 weeks including the Stocky data export; 3–6 weeks for custom glue (Deploi estimate, illustrative)
- Maintenance, honestly
- ~15–20% of glue cost per year (Deploi estimate), call it $1,500–$4,000/yr (Deploi estimate, illustrative): Admin API version bumps about every six months and Flow review as the location list changes. Native inventory itself is Shopify's to maintain.
- What you own — and what you take on
- You own: your stock levels, suppliers, costs and unlimited inventory history inside Shopify, plus any Flow rules and reports. You take on: buying discipline, because native gives you the tools but not an ops team.
3-Year Total Cost of Capability
| Buy (app path) | Build (custom path) | |
|---|---|---|
| Year 0 (setup) | $10,000–$40,000 (implementation) | $0–$20,000 |
| Years 1–3 (recurring) | $21,600–$43,200 (Pro to Advanced tier) | $0–$12,000 (maintenance) |
| 3-year total | ≈$31,600–$83,200 | ≈$0–$32,000 |
- † All figures illustrative samples for the reference scenario — not quotes, not verified pricing.
- † App path: Cin7 Core, the head-to-head winner for the multi-channel trigger most mid-market stores hit first, on its Pro tier at $599/month held flat plus implementation services (verified Sep 2026); Katana's Core at $299/month plus volume charges runs lower for makers.
- † Build path: native inventory plus Flow plus optional custom glue for one channel; three-year horizon.
What the Sticker Price Hides
On the buy path
- — Order-volume tiers: Cin7 Core's Standard plan caps at 6,000 sale orders a year and Pro at 24,000 (verified Sep 2026), so growth forces a tier jump
- — Katana's Core plan bills inventory locations and sales orders on volume above the $299/month base, with paid add-ons on top (verified Sep 2026); get the all-in number in writing
- — Implementation services and data migration dwarf the first year's subscription; budget them as a project
- — Katana's free plan stops at 30 SKUs (verified Sep 2026), which no mid-market catalog fits
On the build path
- — Native has no bill of materials; makers who force production into native end up in spreadsheets anyway
- — Multi-channel allocation isn't a native concept; oversells across marketplaces are the signal to buy
- — Stocky exports are read-only for at least 90 days after August 31, 2026 (verified Sep 2026); miss the window and the history is gone
- — ~$1,500–$4,000/yr upkeep on any custom glue (Deploi estimate, illustrative)
What Merchants Say
Retailers who leaned on Stocky describe the sunset as a forced audit: most found native purchase orders and transfers covered their real workflow, and the panic was about losing history, not features.
The 1–2★ theme on both listings: sync mismatches between the IMS and Shopify that nobody trusts, months of implementation, and pricing that jumps with order volume or add-ons.
If You Change Your Mind Later
If you bought and outgrow it
Leaving Katana or Cin7 Core means re-keying suppliers, purchase-order history and reorder points somewhere else, because those records live in the vendor's database and export completeness varies. Shopify keeps the stock levels and sales history regardless. Get the export format in writing at signup and run a full export quarterly so the exit is a migration, not a loss.
If you built and want out
Nothing strands: locations, transfers, purchase orders and unlimited inventory history are Shopify's own records, and Flow rules stay in the admin. If you later buy Katana or Cin7 Core, it connects to the same native inventory and imports from it. The exit cost of native rounds to zero, which is the quiet argument for staying on it until a real trigger lands.
When This Answer Changes
We're watching for:
- ▸ Sidekick forecasting maturing into automated replenishment and purchase-order generation, which would close more of the gap to both apps (forecasts and rebalancing suggestions as of Sep 2026)
- ▸ Shopify adding native bills of materials or component-level inventory, which would erase Katana's main argument (none as of Sep 2026)
- ▸ Your own footprint: a marketplace channel, a second warehouse network, or a manufacturing line moves the verdict to BUY; re-run the tree when one lands
Verdict change log:
- 2026-08-31Purchasing and forecasting used to require Stocky, which required a POS Pro subscription, so DTC-only brands often bought Katana or Cin7 Core for purchase orders alone. With those jobs native for every store, the single-brand default is WAIT; the head-to-head now matters only for makers and multi-channel operations.
Common Questions
Is Katana or Cin7 Core better for Shopify?
Katana is better for makers: bills of materials and production scheduling are its core product, free up to 30 SKUs and $299/month on Core with unlimited SKUs and users (verified Sep 2026). Cin7 Core is better for multi-channel volume: tiers at $349, $599 and $1,199/month cover 6,000, 24,000 and 120,000 sale orders a year with unlimited locations (verified Sep 2026). Single-brand stores with 1–3 locations need neither, because native inventory now covers purchasing and forecasting.
Does Shopify's native inventory replace Katana or Cin7 Core?
Native Shopify inventory replaces both for a single-brand store with 1–3 locations: multi-location tracking, transfers with in-transit quantities, purchase orders with supplier and cost tracking, unlimited history, and Sidekick demand forecasting, all included with your plan (verified Sep 2026). Stocky, the first-party app that held purchasing and forecasting, sunset on August 31, 2026. Native still has no bills of materials and no allocation across marketplaces, which is where Katana and Cin7 Core earn their fees.
How much do Katana and Cin7 Core cost for a Shopify store?
Katana costs $299/month on Core with unlimited SKUs, plus volume-based charges for inventory locations and sales orders, with a free plan up to 30 SKUs (verified Sep 2026). Cin7 Core costs $349/month on Standard, $599/month on Pro and $1,199/month on Advanced, with 8% off on annual billing and a 14-day trial (verified Sep 2026). Add an estimated $10,000–$40,000 in implementation and migration services (Deploi estimate, illustrative), which usually exceeds the first year's subscription.
Your Next Steps
If you're going with WAIT(matches your selected profile)
- Export Stocky purchase orders and stocktake history during the read-only window; it lasts at least 90 days from August 31, 2026
- Set up locations, transfers and purchase orders in native inventory with supplier and cost tracking
- Turn on Sidekick forecasting and review its rebalancing suggestions weekly for a month before trusting them
- Build low-stock and reorder Flow workflows to replace spreadsheet checks
- Define the IMS trigger in writing: a marketplace, a bill of materials, or a second warehouse network
If you're going with BUY
- Pick by trigger: bills of materials and production point to Katana; marketplaces and order-volume tiers point to Cin7 Core
- Match the Cin7 Core tier to sale orders a year, 6,000, 24,000 or 120,000 (verified Sep 2026), or price Katana's volume charges at your location and order counts
- Budget implementation and migration as a project with a data-trust milestone
- Keep Shopify as the system of record for products; let the IMS own stock and purchasing
- Negotiate export rights and renewal terms before signing
Official Docs & Sources
- Transitioning from Stocky to Shopify inventory management — Shopify Help Center
- Locations — Shopify Help Center
- Order routing — Shopify Help Center
Official documentation linked for verification — our verdicts and estimates are our own.
Related Decisions
Build or Buy an Inventory Management System on Shopify?
An IMS is a WAIT for single-brand Shopify stores: native inventory absorbed Stocky's jobs. Buy one only for multi-channel, BOM or multi-warehouse purchasing.
Cin7 Core vs. Native Shopify Inventory: Do You Still Need an IMS?
Native Shopify inventory covers single-brand stores with 1–3 locations post-Stocky; buy Cin7 Core from $349/month (verified Sep 2026) for multi-channel or MRP.
Multi-Location Inventory on Shopify: Build, Buy, or Wait?
Multi-location inventory is a WAIT: native locations and routing rules cover most mid-market networks free; pay for an IMS only when planning outgrows sheets.
Should You Build or Buy Preorders & Backorders on Shopify?
Buy a preorder app to patch occasional sellouts; build on selling plans when selling before stock is the business model.
Should You Build or Buy Your NetSuite Integration on Shopify?
NetSuite integration is the honest DEPENDS: buy a connector for standard flows, build middleware when the flows are the business.
Ready to find out whether native inventory already covers you?
Most single-brand stores can retire the Katana-or-Cin7 question after a proper native setup and a Stocky export. If bills of materials or marketplaces say otherwise, we integrate the one you choose; we don't build an IMS.
Contact us todayVerdict scored for the reference scenario above. Estimates are not quotes; app pricing carries its verification date and gets re-verified quarterly. The parent inventory management system page settles build-vs-buy for the category; this page prices the named head-to-head plus the lane it hides. Full scoring anchors: see the TCC methodology.
Read how we score these decisions (the TCC Framework). No affiliate links, no paid placement — no app vendor pays to appear here.