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Inventory · head to head

Odoo Inventory vs Weka

Odoo Inventory logo

Odoo Inventory

Inventory

Open source inventory management module

From
Free
Rated
-
Full reviewWebsite
Weka logo

Weka

Machine Learning

Collection of machine learning algorithms

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Odoo Inventory the One App Free plan covers a single app, so using Inventory alongside another Odoo app moves the account onto a paid plan; Weka the package management system needs an internet connection to download and install packages, so an air-gapped install gets only the core distribution
  • They diverge on capability: Odoo Inventory covers Inventory management, Weka covers Classification.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Odoo Inventory and Weka actually diverge.

Attributes where Odoo Inventory and Weka differ
AttributeOdoo InventoryWeka
Pricing modelsubscriptionopen-source
PlatformsWeb, Mobile app, Cloud/On-premiseLinux, Mac, Windows
CategoryInventoryMachine Learning
Founded20051993

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Odoo Inventory

  • Inventory management
  • Barcode scanning
  • Multi-warehouse
  • Automated replenishment
  • Odoo ERP modules
  • E-commerce
  • Manufacturing
  • Accounting

Only in Weka

  • Classification
  • Regression
  • Clustering
  • Association rules
  • Feature selection
  • Java
  • R
  • Python

What people use each for

The jobs each tool is most often brought in to do.

Odoo Inventory

  • Tracking stock across multiple warehouses and locationsnot Weka
  • Running receipts, deliveries and internal transfersnot Weka
  • Connecting inventory to Odoo sales, purchasing and manufacturingnot Weka

Weka

  • Teaching and exploring classic machine learning algorithms through a GUInot Odoo Inventory
  • Running data mining experiments and preprocessing without writing codenot Odoo Inventory

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Odoo Inventory

  • The One App Free plan covers a single app, so using Inventory alongside another Odoo app moves the account onto a paid plan
  • The Standard plan at $16.90 per user per month is restricted to Odoo Online hosting
  • Odoo.sh and on premise hosting require the Custom plan at $25.50 per user per month
  • Odoo Studio, multi company management and external API access require the Custom plan
  • Billing is per user, defined as any employee with backend access to create, view or edit documents
  • The advertised discounted rates apply for the first 12 months, after which the list rates of $21.10 and $31.90 per user per month apply

Weka

  • The package management system needs an internet connection to download and install packages, so an air-gapped install gets only the core distribution
  • Weka is split into a stable 3.8 branch that receives only bug fixes and compatibility-safe upgrades and a 3.9 development branch that may receive features that break compatibility
  • Weka requires a 64-bit Java VM; the bundled installers ship Bellsoft OpenJDK 25 per platform and architecture

Pricing, plan by plan

Odoo Inventory

Free
  • CommunityFree
    • Open source
    • Basic features
    • Community support
  • Standard$20/month
    • Full features
    • Hosting included
    • Email support
  • Custom$40/month
    • Customization
    • Studio access
    • Priority support

Weka

Free
  • Open SourceFree
    • All ML algorithms
    • GUI and CLI
    • Java API

Which should you pick?

Choose Odoo Inventory if

  • You need inventory management.
  • You want to start without paying.
  • You work on Web, Mobile app, Cloud/On-premise.
  • You also want barcode scanning.
Odoo Inventory review

Choose Weka if

  • You need classification.
  • You want to start without paying.
  • You work on Linux, Mac, Windows.
  • You also want regression.
Weka review

Questions people ask

Is Odoo Inventory or Weka better?
Neither clearly leads. Odoo Inventory starts at Free and Weka at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Odoo Inventory or Weka?
Odoo Inventory starts at Free and Weka at Free.
Does Odoo Inventory or Weka run on more platforms?
Odoo Inventory runs on Web, Mobile app, Cloud/On-premise. Weka runs on Linux, Mac, Windows.
Can I use Odoo Inventory for free?
Both have a free tier, so you can try either at no cost before committing.
What is Odoo Inventory best used for?
Odoo Inventory is most often used for tracking stock across multiple warehouses and locations, running receipts, deliveries and internal transfers, connecting inventory to odoo sales, purchasing and manufacturing. Of those, tracking stock across multiple warehouses and locations and running receipts, deliveries and internal transfers are not what Weka is typically brought in for.
What can Odoo Inventory do that Weka cannot?
Odoo Inventory covers Inventory management, Barcode scanning, Multi-warehouse, Automated replenishment. Weka covers Classification, Regression, Clustering, Association rules.

Answered from the vendors’ own pages

Odoo Inventory: How much does the Odoo Inventory app cost?

The Odoo Inventory app is free, forever, with unlimited users at no cost. Additional costs only apply if you install other applications in the Odoo suite.

Source
Weka: What is the cost of Weka software?

Weka is provided at no cost as open-source software released under the GNU General Public License, making it freely available for download and use.

Source
Odoo Inventory: Do I need to pay to use Odoo Inventory?

No, Odoo Inventory is completely free with no credit card required to start. The free trial and app remain free indefinitely.

Source
Weka: Are there commercial licensing options available?

Yes, the project offers information about commercial licenses for organizations requiring non-GPL terms, which can be found in their commercial applications documentation.

Source
Weka: What support resources are available to users?

Multiple support avenues exist including comprehensive documentation, frequently asked questions, dedicated help resources, and access to courses for learning the platform.

Source
Weka: Is source code access provided?

Yes, developers have full access to source code through the Git repository, along with development documentation and code credits for contributors.

Source
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