Image from Openverse (CC BY)Mastering inventory is a major profitability lever: according to Capgemini data, companies with a performant inventory management system reduce storage costs by 20 to 30% and stockouts by 30 to 50%. Inventory management software has become an essential tool category for retailers, e-commerce companies, distributors and industrials.
This comparison analyzes the seven most relevant solutions on the market in 2026 according to activity size and logistics complexity.
Why a dedicated inventory system
Maintaining manual inventory management or using a spreadsheet exposes you to several documented operational risks: gap between physical and theoretical stock, undetected stockouts, unsold overstocks, fragile traceability in case of product recall.
A modern inventory steering platform brings three operational benefits:
- Real-time tracking: entries (supplier receptions), exits (sales, transfers), adjustments (breakage, theft, inventories). Instant update with each movement.
- Reorder optimization: alert thresholds per product, automatic calculation of economic order quantity, suggestions based on sales history.
- Regulatory traceability: tracking by lot or serial number for regulated sectors, complete history for audits and recalls.
Integration with operational tools is also key. For physical retail, coupling with NF525-certified POS software allows automatic stock decrementation on each sale. For service activity with parts storage, integration with CMMS for industrial maintenance smooths spare parts tracking.
Comparison of the best inventory management software in 2026
| Solution | Model | 2026 pricing | Key strengths | Best for |
|---|---|---|---|---|
| Erplain | French SaaS | 9.90 - 49.90 € / month | Stock + CRM + invoice, made in France | Small businesses, distributors |
| Sellsy Inventory | French SaaS | 29 - 69 € / user / month | Complete commercial coupling | French small businesses/SMEs |
| Zoho Inventory | Multi-country SaaS | 0 - 239 € / month | Multi-country, e-commerce | International e-commerce |
| Odoo Inventory | Open source + Cloud | 0 - 24.90 € / user / month | Modular ERP suite | Tech SMEs, scale-ups |
| Dolibarr | Open source | 0 € (self-hosted) | Free, active community | Autonomous structures |
| MoySys | Paid SaaS | On quote | Industry, multi-site | Industrial SMEs |
| Sage X3 Inventory | Enterprise SaaS | From 5,000 € / year | Complete ERP, multi-country | Mid-caps |
Erplain: the French reference for small businesses and distributors
Erplain, French editor created in 2014, has established itself as the most-used cloud inventory management solution by francophone small businesses and distributors. Its positioning combines inventory and commercial activity (quotes, invoices, customers) in a single interface.
Key features in 2026:
- Unlimited product catalog with photos, barcodes and variants.
- Real-time inventory tracking by warehouse and variant.
- Integrated compliant quotes and invoices (with automatic stock decrementation).
- Purchase module with supplier orders and reception tracking.
- Physical inventory with import/export.
- Native integrations with WooCommerce, Shopify, Prestashop for e-commerce.
Erplain pricing starts at 9.90 € per month (Solo formula, one user) and reaches 49.90 € per month for Premium formula (unlimited users, multi-warehouse).
Zoho Inventory and Odoo: multi-country and modular alternatives
Zoho Inventory fits into the Zoho One ecosystem and offers an inventory management module with particularly extensive international coverage: multi-currency, multi-language, integrations with Amazon, eBay, Etsy, Shopify, Walmart.
Odoo offers an Inventory module within its modular ERP suite. The Community Edition is fully free in self-hosting. Cloud Enterprise versions add complementary modules for structures wanting a complete ERP solution for SME.
For industrial structures with complex production constraints, MoySys and Sage X3 remain more advanced references at higher budgets.
Dolibarr and Sellsy: free open source and all-in-one
Dolibarr is the most-used open source ERP/CRM in the francophone world. Its inventory management module is fully free in self-hosting and covers a surprisingly broad functional scope: products, movements, multi-warehouse, suppliers, purchases, sales.
Sellsy combines CRM, invoicing, accounting and inventory management in a single platform designed for European small businesses and SMEs. Structures combining commercial and rental activity can also couple Sellsy with dedicated property management software if they manage real estate in parallel.
How to choose your inventory steering software
Five criteria orient the decision:
1. Product reference volume and catalog complexity Fewer than 500 references without variants: all cited solutions suit. Several thousand references with variants: Erplain, Sellsy or Odoo offer the best depth.
2. Mono-warehouse or multi-warehouse Single storage location: standard version suffices. Multiple warehouses or sales points: premium or Enterprise version.
3. Sales channels (physical, e-commerce, marketplaces) Pure physical retail: Erplain or Sellsy. Single-channel e-commerce: Erplain or Zoho Inventory. Multi-channel with marketplaces: Zoho Inventory or Odoo.
4. Required traceability level Standard: all solutions. Advanced (lot + expiration date): Sellsy, Odoo, MoySys. Serial numbers: Odoo, Sage X3.
5. Integration with existing ecosystem French tool stack: favor Erplain or Sellsy. International stack: Zoho Inventory, Odoo, NetSuite. Open technical stack: Dolibarr or Odoo Community.
Frequently asked questions
What is the best inventory management software in 2026?
Erplain stands out as the European reference for small businesses and SMEs with intuitive interface and integrated commercial module. Sellsy remains relevant for coupling inventory, CRM and invoicing. For multi-country and e-commerce needs, Zoho Inventory and Odoo Inventory offer broader coverage.
Is there free inventory management software?
Dolibarr is the most complete open source tool in 2026, fully free in self-hosting. For cloud solutions, Zoho Inventory offers a free version limited to 50 orders per month. Odoo Community Edition is free for the inventory module alone.
What features should you expect from an inventory tool?
Complete inventory management software covers product sheet with references, real-time entry and exit tracking, multi-warehouse management, alert thresholds and automatic reordering, traceability by lot or serial number.
How much does inventory management software cost?
Pricing in 2026 ranges from 0 € to 200 € per user per month for multi-site Enterprise solutions. For an SME, the typical range sits between 25 and 75 € per user per month.