Inventory management has become significantly more challenging over the past few years. Demand patterns shift faster, supply chains remain vulnerable to disruption, and customers expect high availability across every channel.
As a result, businesses are moving beyond spreadsheets and basic ERP functionality to adopt dedicated inventory planning and optimisation platforms. The right solution can improve forecast accuracy, reduce stockouts, lower excess inventory, and free up working capital.
If you’re evaluating inventory management alternatives in 2026, this guide compares some of the leading solutions on the market, including AGR, RELEX Solutions, Slimstock, EazyStock, and Netstock. We’ll explore where each platform excels, who it’s best suited for, and what factors you should consider before making a decision.
What should you look for in an inventory management alternative?
Not all inventory management platforms solve the same problems.
Some focus primarily on inventory visibility, while others provide advanced forecasting, replenishment automation, inventory optimisation, and supplier planning capabilities.
When comparing solutions, consider the following areas:
| Capability | Why It Matters |
|---|---|
| Demand forecasting | Improves forecast accuracy and reduces uncertainty |
| Inventory optimisation | Balances availability with working capital investment |
| Automated replenishment | Reduces manual ordering and improves consistency |
| ERP integration | Creates a single source of truth across systems |
| Multi-location planning | Supports warehouses, stores, and distribution centres |
| Supplier management | Improves lead-time visibility and purchasing decisions |
| Analytics and reporting | Enables faster, data-driven decision-making |
| AI and machine learning | Identifies patterns that traditional methods often miss |
Inventory Management Software Comparison 2026
While most inventory management platforms offer forecasting, replenishment, and inventory optimisation, the depth of those capabilities varies considerably.
Some solutions focus primarily on inventory visibility and replenishment, while others provide more advanced planning functionality such as promotional forecasting, S&OP support, supplier performance monitoring, and AI-driven forecasting enhancements.
The table below compares key planning capabilities across AGR, RELEX, Slimstock, EazyStock, and Netstock.
| Capability | AGR | Netstock | EazyStock | Slimstock | RELEX |
|---|---|---|---|---|---|
| Demand forecasting (statistical) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Best-fit statistical forecast selection | ✓ | ✓ | ✓ | ✓ | ✓ |
| AI-assisted sales history cleansing | ✓ | Limited | No | Limited | ✓ |
| Outlier detection | ✓ | Limited | Limited | ✓ | ✓ |
| Promotional planning | ✓ | No | No | Limited | ✓ |
| Promo smoothing and stockout bridging | ✓ | No | No | No | Limited |
| Customer group and channel planning | ✓ | No | No | Limited | ✓ |
| Forecast profiles (per item/group) | ✓ | Limited | Limited | ✓ | ✓ |
| Inventory optimisation and safety stock | ✓ | ✓ | ✓ | ✓ | ✓ |
| ABC and XYZ classification | ✓ | ✓ | ✓ | ✓ | ✓ |
| Automated replenishment | ✓ | ✓ | ✓ | ✓ | ✓ |
| Scheduled orders | ✓ | No | No | No | Limited |
| Order constraints (MOQ, truckload, vendor calendar) | ✓ | No | No | Limited | Limited |
| Vendor performance and lead-time monitoring | ✓ | ✓ | Limited | ✓ | ✓ |
| Connected and replacement items | ✓ | ✓ | Limited | ✓ | ✓ |
| BOM and production planning | ✓ | Limited | No | Limited | ✓ |
| S&OP and IBP support | ✓ | Limited | No | Limited | ✓ |
| Multi-location planning | ✓ | ✓ | ✓ | ✓ | ✓ |
| Weekly forecast refresh | ✓ | No | No | Limited | ✓ |
| ERP integrations | ✓ | ✓ | ✓ | ✓ | ✓ |
| Power BI and embedded analytics | ✓ | Limited | No | Limited | ✓ |
| Excel-native planner workspace | ✓ | No | No | Limited | No |
Based on publicly available product information as of 2026.
AGR
AGR is designed specifically for wholesalers, distributors, and retailers that need more than basic inventory visibility. While many inventory management solutions stop at forecasting and replenishment, AGR extends into inventory optimisation, supplier management, demand planning, S&OP support, and automated ordering.
AGR stands out for its breadth of planning functionality. Features such as AI-assisted sales history cleansing, promotional planning, customer-channel forecasting, supplier performance monitoring, and Excel-native planning provide planners with more control over inventory decisions.
Best for
- Wholesale distributors
- Retailers managing large SKU portfolios
- Businesses operating multiple warehouses
- Companies seeking better service levels while reducing inventory investment
Key strengths
- Advanced demand forecasting
- Inventory optimisation
- Automated replenishment
- Supplier performance monitoring
- S&OP support
- Strong ERP integration
Learn more:
https://www.agrinventory.com/
RELEX Solutions
RELEX is one of the most comprehensive retail planning platforms available in 2026. The platform combines forecasting, replenishment, assortment planning, workforce planning, and supply chain optimisation capabilities.
Compared with many alternatives, RELEX offers strong functionality around promotional planning, customer-channel forecasting, and integrated business planning. However, it is generally positioned toward larger retail organisations with more complex implementation requirements.
Best for
- Enterprise retailers
- Grocery chains
- Omnichannel retail operations
- Large supply chain teams
Key strengths
- Retail forecasting
- Assortment planning
- Promotional planning
- Machine learning capabilities
- Enterprise scalability
Read the full comparison:
https://www.agrinventory.com/explore/alternatives-to-relex-agr-vs-relex-solutions/
Slimstock
Slimstock focuses on helping businesses optimise inventory and automate replenishment decisions. The platform offers forecasting, inventory optimisation, supplier monitoring, and replenishment functionality.
Compared with AGR and RELEX, Slimstock provides fewer advanced planning capabilities around promotions, customer-channel planning, and S&OP. However, it remains a strong inventory optimisation solution for organisations seeking a focused approach.
Best for
- Mid-sized distributors
- Inventory-focused planning teams
- Businesses looking to reduce inventory levels
Key strengths
- Inventory optimisation
- Forecasting
- Replenishment automation
- Supplier management
Read the full comparison:
https://www.agrinventory.com/explore/agr-slimstock-inventory-optimisation/
Netstock
Netstock is widely used by distributors and wholesalers looking to improve inventory visibility and purchasing decisions.
The platform delivers forecasting, replenishment planning, inventory optimisation, and supplier management. Compared with AGR, it offers fewer advanced planning capabilities around promotional forecasting, order constraints, S&OP, and embedded analytics.
Best for
- Distributors
- Wholesalers
- Small to mid-sized planning teams
Key strengths
- Inventory visibility
- Forecasting
- Purchasing recommendations
- Supplier management
Read the full comparison:
https://www.agrinventory.com/explore/inventory-management-agr-netstock/
EazyStock
EazyStock is often chosen by organisations transitioning away from spreadsheets and basic ERP planning processes.
The platform provides inventory optimisation, replenishment automation, and forecasting capabilities in an accessible package. Compared with AGR, RELEX, and Slimstock, it offers a more streamlined feature set focused on inventory planning fundamentals.
Best for
- Growing businesses
- Small and medium-sized organisations
- Teams new to inventory optimisation
Key strengths
- Ease of use
- Forecasting
- Replenishment automation
- Faster implementation
Read the full comparison:
https://www.agrinventory.com/explore/agr-eazystock-inventory-optimisation/
Which inventory management alternative is right for you?
The right choice depends on your operational complexity, inventory challenges, and planning maturity.
| If You Need… | Consider |
|---|---|
| Enterprise retail planning and assortment optimisation | RELEX |
| Broad forecasting, replenishment, supplier management, and inventory optimisation | AGR |
| Inventory optimisation with a focused planning approach | Slimstock |
| Inventory visibility and purchasing support | Netstock |
| Entry-level inventory optimisation and forecasting | EazyStock |
For businesses evaluating inventory management alternatives in 2026, the biggest differentiator is no longer whether a platform offers forecasting or replenishment. Most do.
The real question is how much planning depth, automation, supplier visibility, and decision support your organisation requires as inventory complexity continues to grow.
Why businesses are investing in inventory optimisation in 2026
Inventory remains one of the largest investments on most balance sheets.
Businesses that improve forecasting and inventory planning often achieve:
- Lower inventory carrying costs
- Reduced stockouts
- Higher service levels
- Improved working capital efficiency
- Better supplier collaboration
- Faster decision-making
- Increased inventory turnover
The gap between reactive and predictive inventory management continues to widen. Businesses using advanced planning technology can respond faster to changing demand and supply conditions while maintaining healthier inventory positions.
Final Thoughts
Choosing an inventory management platform is not simply about selecting the solution with the longest feature list. The best choice is the one that solves your most important inventory challenges and supports your future growth plans.
As supply chains become more complex and customer expectations continue to rise, forecasting accuracy, inventory optimisation, replenishment automation, and supplier visibility are becoming essential capabilities rather than competitive advantages.
Whether you’re comparing AGR, RELEX, Slimstock, EazyStock, or Netstock, focus on the planning outcomes you want to achieve. The right platform should help your team spend less time firefighting and more time making strategic inventory decisions.
FAQ
What is the best inventory management software in 2026?
The best inventory management software depends on your industry, business size, inventory complexity, and planning requirements. AGR, RELEX, Slimstock, EazyStock, and Netstock are among the leading solutions available in 2026.
What should I look for in an inventory management alternative?
Look for capabilities that address your biggest planning challenges. These may include demand forecasting, inventory optimisation, automated replenishment, ERP integration, supplier performance monitoring, multi-location planning, and reporting.
What is the difference between inventory management and inventory optimisation?
Inventory management focuses on tracking and controlling stock. Inventory optimisation goes further by determining the ideal inventory levels required to achieve target service levels while minimising excess inventory and working capital.
Is inventory planning software different from ERP software?
Yes. ERP systems primarily manage transactions, purchasing, financials, and operations. Inventory planning software sits alongside the ERP and helps businesses forecast demand, optimise inventory, automate replenishment, and improve planning decisions.
Which inventory management software is best for wholesalers?
Wholesalers typically benefit from solutions that combine forecasting, inventory optimisation, supplier management, and replenishment automation. AGR, Slimstock, and Netstock are commonly evaluated by wholesale businesses.
Which inventory management software is best for retailers?
Retailers often require forecasting, assortment planning, promotional management, and multi-location optimisation. AGR and RELEX are frequently considered by retailers managing large SKU portfolios and multiple sales channels.
Can inventory management software reduce stockouts?
Yes. Modern inventory planning platforms use forecasting, safety stock calculations, lead-time monitoring, and replenishment automation to help businesses maintain appropriate inventory levels and reduce stockout risk.
How long does it take to implement inventory management software?
Implementation timelines vary depending on the complexity of the business and the chosen solution. Some platforms can be implemented in a matter of weeks, while enterprise-scale projects may take several months.
Is AI important in inventory management software?
AI and machine learning help improve forecast accuracy, identify demand patterns, detect anomalies, and automate routine planning decisions. However, strong data quality and planning processes remain equally important.
How do I choose between AGR, RELEX, Slimstock, EazyStock, and Netstock?
Start by identifying your primary inventory challenges. If you need advanced retail planning and assortment optimisation, RELEX may be a strong fit. If your focus is forecasting, inventory optimisation, replenishment, and supplier management across wholesale, distribution, or retail operations, AGR is often considered. Slimstock, Netstock, and EazyStock provide varying levels of planning functionality depending on business size and complexity.
