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Which inventory system is right for your business?
An honest, plain-English comparison from an independent implementation partner. We implement all four — so we have no reason to push you toward the wrong one.
The short answer
Unleashed for manufacturers and wholesalers on Xero who need real-time stock and production. Cin7 for multi-channel product sellers. NetSuite when you've outgrown standalone tools and want a full cloud ERP. Odoo when you want one modular, open-source system that grows with you. And when none fit, a custom AI-native build is now a realistic option.
Side-by-side comparison
| System | What it is | Strongest fit | Accounting | Typical business size |
|---|---|---|---|---|
| Unleashed | Cloud inventory & production software | Manufacturers, wholesalers, distributors needing real-time stock, batch/expiry tracking and assemblies | Connects to Xero, QuickBooks, and others | Small–medium |
| Cin7 | Connected inventory management (Core & Omni) | Product sellers across many channels — retail, eCommerce, wholesale, marketplaces, 3PL | Connects to Xero, QuickBooks, and others | Small–medium |
| NetSuite | Oracle's cloud ERP suite | Mid-size businesses wanting financials, inventory, warehouse and orders in one system | Built in | Medium–large |
| Odoo | Modular open-source ERP | Businesses that want one flexible system — inventory, manufacturing, accounting, eCommerce — added module by module | Built in (module) | Small–large |
| AI-native custom | Purpose-built software designed around AI | Workflows no platform expresses well; automation involving documents, decisions and judgement | Integrates with your existing accounting | Any |
High-level guidance only — the right answer depends on your channels, volumes, compliance needs and team. That's what a scoping conversation is for.
How do I choose? Three questions that decide most of it
1. Do you make things?
Production, assemblies, batch and expiry tracking point toward Unleashed or Odoo's manufacturing module. Pure buy-and-sell operations have more options.
2. How many sales channels?
One or two channels keeps everything simple. Retail + eCommerce + marketplaces + wholesale is exactly the problem Cin7 was built to connect.
Frequently asked questions
Which inventory system is best for a small manufacturer in New Zealand?
For most small NZ manufacturers and wholesalers already on Xero, Unleashed is the usual starting point — real-time stock, batch tracking and assemblies with a strong Xero integration. Multi-channel sellers lean Cin7; businesses consolidating everything into one system look at NetSuite or Odoo.
What's the difference between an inventory system and an ERP?
An inventory system (Unleashed, Cin7) manages stock, orders and production and connects to separate accounting. An ERP (NetSuite, Odoo) combines inventory, financials and more in one platform. Inventory systems implement faster; ERPs remove the operations/accounting boundary.
Can I switch systems without disrupting the business?
Yes — with a managed migration validated in a test environment first, then a planned cut-over (typically a weekend or month-end) with the old system kept read-only as a fallback.
Want a straight answer for your situation?
Describe your operation — we'll recommend a system and explain the reasoning.