Supply Chain & Logistics
Updated August 2026 · By the ERP Research Editorial Team · Independent and vendor-neutral — no vendor pays for placement or ranking.
Inventory optimization software calculates the right safety stock, reorder points and replenishment quantities for every SKU and location, so you carry less working capital in stock without increasing stockouts. It sits on top of your ERP inventory data, applying statistical and probabilistic models to service-level targets, demand variability and supplier lead times to set policies a manual spreadsheet cannot keep up with.
This guide compares the leading inventory optimization platforms on the features that matter -- multi-echelon modeling, safety-stock methodology, replenishment automation and pricing -- plus how cleanly each one reads and writes ERP inventory data, so you can shortlist tools that fit your supply chain and your existing systems.
| Product | Works with | Pricing | Deployment |
|---|---|---|---|
 SAP | Quote-based | Cloud | |
 NetSuite Dynamics 365SAP+2 more | Quote-based | Cloud | |
NetSuite SageQuickBooks+1 more | Tiered, usage-based (quote required) | Cloud | |
| SAPNetSuiteDynamics 365+9 more | Subscription, tiered by users / features / deployment; enterprise pricing on request | Cloud/On-premise | |
| NetSuiteQuickBooksDynamics 365+8 more | Subscription; consultative pricing scaled by GMV and replenishable SKU count | Cloud | |
SAP OracleDynamics 365+2 more | Custom quote (subscription) | Cloud | |
| NetSuiteSageDynamics 365+6 more | Mid-market band; comparable SMB planning tools $15,000-$50,000/year | Cloud | |
| SAPOracleDynamics 365+2 more | Subscription (quote-based) | Cloud | |
| SAPDynamics 365Oracle+3 more | Quote-based / subscription | Cloud/On-premise/Hybrid | |
| SAP | Quote-based | Cloud | |
| SAPOracleDynamics 365+3 more | Quote-based / subscription (contact vendor) | Cloud/On-premise/Hybrid | |
| SAP | From $48,000 | Cloud/On-premises |
Compare only the options that work with your ERP:
Every product below is mapped against the same 45-capability inventory optimisation taxonomy. Expand a module to compare capability by capability.
| Capability | Solvoyo25/45 | Verusen20/45 | EazyStock17/45 | Flieber17/45 | Vanguard Predictive Planning17/45 | Arkieva16/45 |
|---|---|---|---|---|---|---|
| 5/6 | 0/6 | 3/6 | 3/6 | 3/6 | 3/6 | |
| 1/4 | 1/4 | 2/4 | 0/4 | 0/4 | 1/4 | |
| 3/5 | 3/5 | 4/5 | 1/5 | 2/5 | 2/5 | |
| 3/4 | 2/4 | 1/4 | 3/4 | 3/4 | 3/4 | |
| 3/5 | 1/5 | 2/5 | 5/5 | 3/5 | 1/5 | |
| 1/4 | 4/4 | 1/4 | 1/4 | 0/4 | 0/4 | |
| 1/4 | 4/4 | 0/4 | 0/4 | 0/4 | 0/4 | |
| 3/4 | 0/4 | 2/4 | 1/4 | 4/4 | 3/4 | |
| 0/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | |
| 5/5 | 4/5 | 1/5 | 2/5 | 1/5 | 2/5 |
“Not evidenced” means our research found no public documentation of this capability — the vendor may still offer it. Confirm on a demo.
Which inventory optimisation products have a standard connector to your ERP — and how deep it goes. Badges link to the marketplace listing or vendor documentation we verified.
| Product | SAP | Oracle Fusion Cloud | NetSuite | Microsoft Dynamics 365 | Sage Intacct | Acumatica | Sage X3 | Infor | QuickBooks | Xero |
|---|---|---|---|---|---|---|---|---|---|---|
| Netstock | Prebuilt | Prebuilt | Prebuilt | Prebuilt | Prebuilt | Prebuilt | ||||
| EazyStock | Partner | Certified | Certified | Certified | Prebuilt | |||||
| GMDH Streamline | Prebuilt | Prebuilt | Prebuilt | Prebuilt | Prebuilt | |||||
| ToolsGroup | Prebuilt | Prebuilt | File | Certified | File | |||||
| Flieber | Prebuilt | Partner | Partner | Partner | ||||||
| Inventory Planner by Sage | Prebuilt | Prebuilt | Prebuilt | Prebuilt | ||||||
| Logility | Prebuilt | Prebuilt | Prebuilt | Prebuilt | ||||||
| Slimstock | API | API | API | Prebuilt | ||||||
| RELEX Solutions | API | API | API | |||||||
| Verusen | API | API | API | |||||||
| Arkieva | Prebuilt | |||||||||
| Solvoyo | Prebuilt | |||||||||
| Vanguard Predictive Planning | Prebuilt |
Certified = listed on the ERP vendor's official marketplace. Prebuilt = productised vendor-built connector. iPaaS = official integration-platform template. API = integration is possible via documented APIs but no productised connector was evidenced. A dash means we found no evidence — not that no integration exists.
SAPNetSuiteDynamics 365SAP
Acumatica+1NetSuiteSageQuickBooksXeroSAPNetSuiteDynamics 365Acumatica+8NetSuiteQuickBooksDynamics 365Acumatica+7SAPOracleDynamics 365Infor+1NetSuiteSageDynamics 365Acumatica+5SAPOracleDynamics 365Microsoft Azure+1SAPDynamics 365OracleNetSuite+2SAPSAPOracleDynamics 365NetSuite+2SAPSAPOracleDynamics 365How companies actually use inventory optimisation alongside their ERP — summarised from each vendor's published case studies.
Wholesale & Distribution · United Kingdom · Mid-Market
Reduced stockouts by 25%, cut freight costs significantly, improved ordering pattern with 5% increase in active stock levels, ROI achieved within 1.5 months
Wholesale & Distribution · United Kingdom · Mid-Market
10% stock reduction while achieving 99.7% service level, 30% sales increase, improved stock turnover
Retail · United Kingdom · Mid-Market
Record availability of 97.3%, reduced inventory by 30%, halved redistribution costs, improved supplier relationships
Wholesale · Panama · Enterprise
Service levels increased 10%; excess inventory reduced 10%; controlled inventory growth; shifted from reactive to anticipatory planning
Logistics · Philippines · Mid-Market
Service levels increased from 60% to 94%; inventory days reduced from 37 to 33; improved visibility across entire organization
Manufacturing · Australia · Mid-Market
Customer fill rates improved to 90%; stock investment reduced 5-7.5%; emergency freight costs significantly reduced
Summarised from each vendor's published customer stories. Figures are the vendor's own claims, not independently verified by ERP Research. Browse all case studies →
A vendor-neutral shortlisting guide to inventory optimisation: how the 13 systems we track compare on capability, what to check before you sign, and the questions that separate a good fit from an expensive one.
Inventory Optimisation Buyer's Guide
13 systems compared · 2026
ERP Research
Most vendors in this category price by quote, so there is no honest list price to quote you. Here is what actually drives your number — and how to get a real one.
9 of the 13 vendors we track in this category publish no list price at all.
Pick two to four products. Two selections unlock the full capability-by-capability comparison page.
Inventory optimization software determines how much stock to hold and when to reorder it, by SKU and location, to hit a target service level at the lowest possible carrying cost. It pulls historical demand, lead times, supplier variability and current on-hand and in-transit inventory -- usually straight from the ERP -- and runs statistical or probabilistic models to calculate safety stock, reorder points, min/max levels and order quantities. More advanced platforms add multi-echelon optimization, which sets inventory policy across an entire network (distribution centers, regional warehouses, stores) simultaneously rather than location by location, and automate the resulting purchase or transfer orders back into the ERP. The category is distinct from demand planning: demand planning forecasts how much customers will buy; inventory optimization takes that forecast (or its own demand signal) and decides how much stock to actually hold and when to replenish it.
Look for statistical safety-stock calculation driven by demand variability and lead-time variability, not a flat days-of-cover rule, with a configurable service-level target per SKU or class.
For networks with more than one stocking location, the tool should optimize inventory positioning across the whole network at once, not location by location, to avoid over-stocking upstream and understocking downstream.
Check whether the platform generates purchase or transfer orders automatically from its recommendations, or just produces a report a planner has to act on manually.
The tool should track actual supplier lead-time variability (not a static assumption) and factor minimum order quantities and case-pack rounding into its recommendations.
A live, bi-directional connection to your ERP item master, on-hand, on-order and sales-history data -- not a periodic CSV export -- so recommendations reflect current inventory positions.
Strong platforms surface only the SKUs that need attention (stockout risk, excess, demand shift) instead of requiring a manual review of every item.
Inventory optimization is only as good as the transactional data feeding it, and that data lives in the ERP: the item master, on-hand and in-transit balances, open purchase orders, supplier lead times and sales history. Tools that connect natively or via certified connectors to NetSuite, SAP, Microsoft Dynamics 365, Sage Intacct or Acumatica can read current inventory positions and write replenishment recommendations back as purchase or transfer orders, closing the loop without manual re-entry. Platforms that rely on periodic CSV exports tend to drift out of sync with real stock levels, which quietly erodes the accuracy of their safety-stock and reorder-point calculations. Each product below is profiled with the ERPs it actually integrates with.
The best inventory optimization software depends on your network complexity and ERP. Businesses with multiple stocking locations typically need multi-echelon optimization (e.g. Netstock, ToolsGroup, Slimstock, RELEX); single-location or straightforward distributors are often well served by lighter reorder-point tools with a direct ERP connector. Compare the options below by ERP fit, multi-echelon support and pricing rather than by brand alone.
Pricing is mostly quote-based and scales with SKU count, location count and ERP connector complexity, so published list prices are rare in this category. Mid-market tools with a direct NetSuite, SAP or Dynamics 365 connector are typically priced per user or per SKU tier; enterprise multi-echelon platforms are negotiated. Each product profile below lists the vendor published pricing model where available.
Demand planning software forecasts how much customers will buy; inventory optimization software takes that demand signal and decides how much stock to actually hold and when to reorder it, by setting safety stock, reorder points and replenishment policies. Many platforms do both, but the two are distinct problems -- forecast accuracy versus stock-holding policy -- and some vendors specialize in only one.
Multi-echelon inventory optimization sets stock policy across an entire distribution network -- factories, distribution centers, regional warehouses and stores -- simultaneously, rather than optimizing each location in isolation. It accounts for how inventory and lead-time variability compound as stock moves through the network, which typically holds a lower total inventory investment for the same service level than single-echelon (location-by-location) methods.
Most established vendors offer certified connectors or APIs for the major ERPs -- NetSuite, SAP, Microsoft Dynamics 365, Sage Intacct and Acumatica -- to sync item master, on-hand inventory, purchase orders and sales history, and to write back replenishment recommendations. Integration depth varies, so confirm support for your specific ERP and version before shortlisting; each profile below notes the ERPs it connects to.