Quick Picks by Use Case
- Best fit for transparent Shopify reorder automation: Supremo
- Best fit for multi-channel sync (Shopify + Amazon/Etsy/eBay): Sumtracker
- Best fit for AI-driven demand forecasting at scale: Prediko
- Best fit for purchase-order automation with backorder management: Fabrikatör
- Best fit for a free entry point into basic forecasting: Assisty
- Best fit for merchants who manufacture their products: Katana
- Evaluate its advertised Stocky ZIP importer; verify coverage: Stockroom
Comparison Table
| App | Starting price | Reorder logic | Purchase orders | Multi-location | Multi-channel | Reports | Trial | Free tier |
|---|---|---|---|---|---|---|---|---|
| Supremo | Free (paid from $19/mo) | Transparent formula: velocity × lead time + safety stock | Full workflow: create, send, receive, close | Yes | Shopify only | 8 built-in reports, all plans | No trial needed on Free; 14-day trial on paid plans | Yes, full features, 100 products |
| Sumtracker | $49/mo | Restock recommendations from lead time + velocity | Yes | Yes | Yes: Amazon, Etsy, eBay, Walmart | Not independently verified | Trial available, confirm on vendor site | No |
| Prediko | $49/mo (scales with GMV) | AI forecasting, trained on 25M+ SKUs | Automated PO generation | Yes | Limited | Revenue and demand forecasting reports | 14-day trial | No |
| Fabrikatör | $99/mo (scales with revenue) | AI demand forecasting | Yes, with backorder management | Yes | Limited | Not independently verified | Trial available, confirm on vendor site | No |
| Assisty | Free (paid from $19/mo) | AI-driven reorder suggestions | Yes, from Enterprise tier | From Professional tier | Limited | 3 reports free; unlimited from Basic | 14-day trial on paid tiers | Yes, basic tier |
| Katana | Custom pricing | Production-driven, not sales-velocity based | Yes, tied to manufacturing orders | Yes | Limited | Manufacturing and production reports | Trial available, confirm on vendor site | No |
| Stockroom | Free according to Stockroom; accounting sync is separate | Stockroom publishes reorder features; confirm its method for your store | Purchasing and receiving workflows documented | Confirm current scope with vendor | Shopify and WooCommerce | See current vendor documentation | Free app according to Stockroom | Yes, according to current vendor materials |
Pricing and features current as of July 2026 based on each provider's public pricing pages. Rows marked "not independently verified" reflect facts that could not be confirmed against a live, dated source at time of writing rather than an assumed answer. Confirm current details directly with each provider before deciding, as SaaS pricing changes frequently.
Supremo
Best overall for reorder automation with full transparencyBest for: Shopify merchants who want transparent reorder logic and a full-featured app without paying before they need to scale.
Supremo calculates reorder points using a formula a merchant can actually see and understand: sales velocity × lead time, plus a safety stock buffer, recalculated hourly per SKU. Unlike tools that market "AI-powered forecasting" as a black box, Supremo shows the math behind every reorder alert.
Every Supremo plan, including the free tier, includes the full feature set: purchase order creation and email delivery, vendor management with lead times, multi-location transfers, stocktakes with variance reporting, and 8 built-in CSV reports. Plans are gated only by product/variant volume. Free covers 100 products, scaling up to unlimited products on the $99/mo Scale plan. There's no feature a merchant has to pay more to unlock.
Where Supremo doesn't compete: Supremo is Shopify-only and does not sync inventory across Amazon, Etsy, eBay, or other channels. It also doesn't use AI/ML demand forecasting models; the reorder logic is rules-based and transparent rather than predictive in the machine-learning sense. If a merchant needs multi-channel sync or ML-driven forecasting trained on large external datasets, Sumtracker or Prediko are better starting points.
Pros
- Free plan includes every feature, not a stripped-down trial
- Reorder logic is a visible, auditable formula rather than a black box
- Flat pricing scales with catalog size, not revenue
Cons
- Shopify-only; no multi-channel inventory sync
- No machine-learning demand forecasting for merchants who specifically want that
Pricing: Free (100 products/2,000 variants) · Starter $19/mo (500/10,000) · Growth $49/mo (2,000/50,000) · Scale $99/mo (unlimited)
Sumtracker
Best for multi-channel sync (Shopify + Amazon/Etsy/eBay)Best for: Shopify merchants selling across multiple channels who need accurate, real-time stock sync.
Sumtracker's core strength is multi-channel inventory sync: Shopify, Amazon, Etsy, eBay, Walmart, and others stay accurate from one dashboard. It also supports bundle and component-level inventory tracking, purchase orders, and restock recommendations based on lead time and sales velocity.
Pros
- Genuinely strong multi-channel sync, a category Supremo does not compete in
- Supports bundle and component-level inventory tracking
Cons
- No free tier; starts around $49/month
- Multi-channel features go unused for Shopify-only merchants
Pricing: Starts around $49/mo, no free tier.
Prediko
Best for AI-driven demand forecasting at scaleBest for: DTC brands that want AI-driven demand forecasting at scale.
Prediko's forecasting engine is trained on a large multi-merchant SKU dataset, offering 12-month demand forecasting, automated purchase order generation, and revenue forecasting with seasonal trend analysis. It also supports raw materials tracking for merchants who produce their own goods.
Pros
- Forecasting trained on a large multi-merchant dataset, which Supremo's rules-based formula does not attempt to replicate
- Automated purchase order generation with revenue forecasting built in
Cons
- No free tier; pricing scales with store GMV up to $349/mo
- Forecasting logic is less transparent than a stated formula
Pricing: Starts at $49/mo for smaller stores, scaling with store GMV up to $349/mo for larger stores.
Fabrikatör
Best for purchase order automation with backorder managementBest for: Merchants who want fast purchase order automation and backorder management.
Fabrikatör combines AI demand forecasting with one-click purchase order generation, including the ability to split POs by freight method or warehouse. Its backorder management lets merchants continue selling temporarily out-of-stock items rather than losing the sale outright, a feature most competitors on this list don't offer.
Pros
- Backorder management is a genuine differentiator most competitors here lack
- One-click PO generation with freight/warehouse splitting
Cons
- Highest starting price on this list ($99/mo), scaling with revenue
- No free tier
Pricing: Starts at $99/mo, scaling with store revenue.
Assisty
Best free tier for basic forecastingBest for: Merchants who want AI-assisted forecasting without committing to a paid plan first.
Assisty offers one of the more generous free tiers in this category: basic inventory tracking, sales history, and a handful of custom reports at no cost. Paid plans add deeper forecasting and centralized replenishment across multiple locations and suppliers, with full purchase order automation reserved for its higher tiers.
Pros
- Free tier available with real (if basic) functionality
- AI forecasting available for merchants who want it without paying Prediko/Fabrikatör-level prices
Cons
- Multi-location tracking and full PO automation gated behind higher-priced tiers
- Four pricing tiers to navigate, with Professional pricing varying by Shopify plan level
Pricing: Free tier available; paid plans start at $19/mo.
Katana
Best for merchants who manufacture their own productsBest for: Merchants who manufacture their own products rather than reselling finished goods.
Katana is built around bill-of-materials tracking, raw material stock, and production scheduling that connects directly to Shopify sales demand. It's a fundamentally different category from the other tools on this list, built for makers, not resellers.
Pros
- Purpose-built for manufacturing workflows none of the other apps here attempt to cover
- Production scheduling connects directly to live Shopify sales demand
Cons
- Custom, unpublished pricing makes upfront cost comparison difficult
- Not a fit for merchants who resell finished goods rather than manufacture them
Pricing: Custom, typically higher than reseller-focused tools given the manufacturing feature set.
Stockroom
Evaluate for its advertised Stocky ZIP importer and free purchasing appBest for: Merchants who want to test Stockroom's stated Stocky ZIP import or need its publicly documented purchasing and developer-tool workflows.
Stockroom by MyWorks describes its app as free with unlimited usage and publishes purchasing, receiving, picking and packing, and reorder features. It markets Shopify and WooCommerce support. Confirm current plan terms and the required workflow against the vendor's latest materials.
Stockroom's migration page advertises an importer for a Stocky ZIP export, including supplier data and purchase-order history. Shopify's Help Center says supplier records cannot be exported from Stocky, so verify the archive's actual contents and ask Stockroom to confirm the imported fields before depending on the migration.
Its manufacturing and lot-tracking pages were marked early access in the materials reviewed. It also publishes MCP and REST API documentation. Those capabilities may matter to technically oriented operations, but they are not evidence of a fit until tested against your needs.
Pros
- Publicly advertises a Stocky ZIP importer and a free app
- Publishes MCP assistant and REST API documentation
- Offers a broader platform scope, including WooCommerce and early-access manufacturing/lot features
Cons
- Stocky importer behavior was not independently tested; supplier-export documentation conflicts
- Manufacturing and lot tracking were labeled early access in reviewed pages
- Feature availability, migration coverage, and current pricing should be confirmed directly
Pricing: Stockroom describes the app as free with unlimited usage; MyWorks accounting sync is separate.
How to Choose
The fastest way to pick wrong here is to compare feature lists. A more reliable approach: identify the store's actual operational profile first, then match it to a tool built for that profile. Consider business stage, how many suppliers and locations are involved, whether sales happen on Shopify alone or across multiple channels, and whether the team wants a system that explains its recommendations or one that acts autonomously. A tool that wins on paper but doesn't match how the team actually wants to make purchasing decisions tends to get underused within a few months.
- You just need to know what to reorder and when, with logic you trust: Supremo
- You sell on Shopify plus Amazon/Etsy/eBay and need stock to stay accurate everywhere: Sumtracker
- You want AI-driven forecasting backed by a large training dataset: Prediko
- You want fast PO automation with backorder support: Fabrikatör
- You want to start completely free with basic AI forecasting: Assisty
- You manufacture your own products: Katana
- You want to evaluate a free app advertising a Stocky ZIP importer: Stockroom (verify import coverage first)
Related Resources
Frequently Asked Questions
What is the best Stocky alternative for Shopify in 2026?
There isn't a single best option for every store; it depends on what you used Stocky for. For reorder point calculation and purchase order management with full transparency, Supremo is a strong fit for Shopify-only merchants who want to see the formula behind every alert. For multi-channel inventory sync, Sumtracker is built specifically for that. For AI-driven demand forecasting at scale, Prediko and Fabrikatör are options to compare. For merchants who manufacture their own goods, Katana is a different category entirely. Stockroom is also worth evaluating if its advertised Stocky ZIP importer or free purchasing workflow fits; verify migration coverage before relying on it.
Is there a free Stocky alternative for Shopify?
Yes. Supremo and Assisty offer free tiers, and Stockroom currently describes its app as free with unlimited usage; confirm each vendor's current terms. Supremo's free tier includes every feature (reorder alerts, purchase orders, vendor management, multi-location transfers, and reporting) for up to 100 products and 2,000 variants. Assisty's free tier covers basic inventory tracking, sales history, and a limited set of reports, with forecasting and replenishment reserved for paid tiers.
Do these apps automatically import data from Stocky?
Stockroom advertises an importer for a Stocky ZIP export, while Supremo does not offer an automated Stocky import. Shopify's Help Center says supplier records cannot be exported from Stocky, which conflicts with Stockroom's claim that supplier data can be imported from the ZIP. Check the archive you can access and confirm exactly which fields the destination app imports. Shopify also says historical Stocky purchase orders do not import into Shopify as past transactions.
What's the difference between AI forecasting and a reorder point formula?
A reorder point formula (used by Supremo) is a transparent calculation, typically sales velocity multiplied by lead time plus a safety stock buffer, that a merchant can see and verify line by line. AI/ML forecasting (used by Prediko, Fabrikatör, and Assisty's higher tiers) uses predictive models trained on larger datasets, which can catch more complex seasonal patterns but is less transparent about exactly why a specific recommendation was made.
Do I need a multi-channel sync tool if I only sell on Shopify?
No. Multi-channel sync (offered by Sumtracker and, to a lesser degree, Prediko and Fabrikatör) is only necessary if a merchant sells on additional platforms like Amazon, Etsy, eBay, or Walmart alongside Shopify. If Shopify is the only sales channel, a Shopify-native tool covers the need without the added cost of multi-channel features that would go unused.
Which Stocky alternative has the lowest starting price?
Stockroom currently describes its app as free with unlimited usage, while paid MyWorks accounting sync is separate. Supremo and Assisty also have free tiers. Other vendors' prices and limits vary and can change, so confirm current terms on each app's listing before choosing.
Which Stocky alternative is best for a solo founder running a lean Shopify store?
Supremo is generally the best fit for a solo founder: the free tier includes the full feature set (not a stripped-down trial), reorder logic is a transparent formula rather than a system that needs tuning, and there is no revenue-scaled pricing to plan around as the store grows within the product-count limits. A solo founder who specifically wants AI-driven forecasting from day one, even at low volume, may prefer Assisty's free tier for basic reporting and its low-cost Basic tier for more automation.
Which Stocky alternative is best for a multi-location Shopify retailer?
Every app on this list except Katana supports multi-location inventory tracking, though the depth varies. Supremo includes multi-location tracking and stock transfers on every plan, including Free. Sumtracker, Prediko, and Fabrikatör also support multi-location inventory but require a paid plan since none of them offers a free tier. The right choice depends on whether multi-location is paired with a need for multi-channel sync (Sumtracker) or AI forecasting (Prediko, Fabrikatör).
Which Stocky alternative is best for a wholesale or B2B Shopify merchant?
Wholesale merchants typically care most about supplier management, purchase order workflow, and predictable reorder timing rather than AI-driven demand curves. Supremo's transparent reorder formula and full purchase order lifecycle (create, send, receive, close) are built around exactly that workflow. Merchants with more complex supplier relationships or raw-materials tracking needs, such as those who manufacture what they sell, are typically better served by Katana instead.
Is Sumtracker a good replacement for Stocky?
Sumtracker is a strong replacement for merchants whose primary reason for using Stocky was managing inventory across Shopify and other sales channels, since multi-channel sync (Amazon, Etsy, eBay, Walmart) is its core strength. It does not offer a free tier, starting at roughly $49/month. For merchants who only sell on Shopify and want transparent reorder logic rather than multi-channel sync, Sumtracker's multi-channel features would go largely unused.
Is Prediko a good replacement for Stocky?
Prediko is a strong choice for DTC brands that want AI-driven demand forecasting trained on a large multi-merchant dataset, along with automated purchase order generation and revenue forecasting. It has no free tier and its pricing scales with store GMV, starting at $49/month and reaching $349/month for larger stores. Merchants who want to see the exact logic behind a reorder recommendation, rather than trust a forecasting model, may find Supremo's transparent formula a better philosophical fit even if Prediko's forecasting is more sophisticated at scale.
Is Fabrikatör a good replacement for Stocky?
Fabrikatör is well suited to merchants who want fast, automated purchase order generation combined with backorder management, letting a store keep selling temporarily out-of-stock items rather than losing the sale. It starts at $99/month, the highest starting price on this list, and scales with revenue. It has no free tier, so it is best evaluated by merchants already committed to a paid inventory tool.
Is Assisty a good replacement for Stocky?
Assisty is a reasonable choice for merchants who want to start on a free plan and add AI-assisted forecasting as they grow, without committing to a paid tool immediately. Its free tier covers basic tracking and a handful of reports; deeper forecasting, multi-location tracking, and full purchase order automation require paid tiers starting at $19/month and reaching higher amounts depending on Shopify plan level. Merchants who want the complete feature set, including multi-location and purchase orders, included in the free tier itself should compare this against Supremo's fully-featured free plan.
Is Katana a good replacement for Stocky?
Katana is not a direct Stocky replacement for most merchants; it is built for businesses that manufacture their own products, with bill-of-materials tracking, raw material stock, and production scheduling connected to Shopify sales demand. A merchant who resells finished goods rather than manufacturing them is generally not the target user for Katana, and would be better served by a reseller-focused tool such as Supremo, Sumtracker, Prediko, Fabrikatör, or Assisty.
How do I decide between these apps instead of just comparing feature lists?
Rather than counting features, identify the store's actual operational profile first: how many suppliers and locations are involved, whether sales happen on Shopify alone or across multiple channels, whether the team wants a transparent formula or an automated recommendation it doesn't need to audit, and what the store can predictably afford as it grows. A tool that wins on paper feature count but doesn't match how the team actually wants to make purchasing decisions typically gets underused after the first few months.
Can I switch between these apps later if my first choice doesn't work out?
In most cases, yes, since these apps read from and write back to Shopify's own product and inventory data rather than owning it exclusively. Switching typically means the new app re-imports the existing Shopify catalog and inventory levels automatically, while app-specific configuration (saved forecasts, custom reports, vendor records entered directly in the previous app) usually needs to be manually reviewed and re-entered in the new tool.
Final Recommendation
For a Shopify-only merchant who wants reorder decisions handled with a formula they can see and check, and who wants a genuinely free plan rather than a trial, Supremo is the strongest starting point on this list. That recommendation does not hold for every merchant: a store selling across Amazon, Etsy, or eBay in addition to Shopify will get more value from Sumtracker's multi-channel sync; a fast-growing DTC brand that wants forecasting trained on a large external dataset may prefer Prediko or Fabrikatör's AI-driven approach, even at a higher starting price; and a business that manufactures its own products should evaluate Katana instead of any reseller-focused tool on this list. The right choice depends on which operational problem is actually being solved, not which app has the longest feature list.