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Odoo vs OneSignal Comparison

Compare Odoo vs OneSignal features, pricing, and more.

Last updated: November 2026

Odoo logo

Odoo

7.2/10

Winner

Odoo is an open-source business suite whose CRM app handles leads, pipelines, calling, and reporting for small and mid-sized companies, with ERP modules available alongside it.

OneSignal logo

OneSignal

7.1/10

OneSignal is a customer messaging platform for sending mobile push, web push, in-app messages, email and SMS to app and website users.

Feature-by-Feature Comparison

Feature
Odoo logo
Odoo
OneSignal logo
OneSignal
Scores
Overall Rating7.2/107.1/10
Scalability7/108/10
Ease of Use5/108/10
Customization9/106/10
Security7/107/10
Support5/106/10
Cost8/107/10
Integration8/108/10
Analytics7/106/10
Pricing
Free planYesYes
Cheapest paid plan€31/user/mo
Standard
$19/mo
Growth
Estimated cost for 10 usersFree
One App Free
Free
Free
Features
A/B TestingNot listed
Email MarketingNot listed
SegmentationNot listed
SMS MarketingNot listed
More features
Marketing AutomationNot listed
Built-in CallingNot listed
CollaborationNot listed
Customer Support ManagementNot listed
Lead ManagementNot listed
IntegrationsNot listed
Sales AutomationNot listed
Opportunity ManagementNot listed
Contact ManagementNot listed
Reporting & AnalyticsNot listed
Mobile AccessNot listed

Odoo vs OneSignal cost by team size

Team sizeOdooOneSignal
1 userFreeOne App FreeFreeFree
5 usersFreeOne App FreeFreeFree
10 usersFreeOne App FreeFreeFree
25 usersFreeOne App FreeFreeFree
50 usersFreeOne App FreeFreeFree

The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.

Which One Should You Choose?

Odoo logo
Why choose Odoo

  • Higher Customization score (9/10 vs 6/10)
  • Higher Cost score (8/10 vs 7/10)

OneSignal logo
Why choose OneSignal

  • Higher Ease of Use score (8/10 vs 5/10)
  • Higher Scalability score (8/10 vs 7/10)
  • Better fit for enterprise (7/10 vs 5/10)
  • Better fit for startups (9/10 vs 7/10)

Pros & Cons

Odoo logo
Odoo

Pros

  • The free plan gives unlimited users on a single app, so a team can run the CRM at no license cost.
  • CRM data flows natively into Odoo's Sales, Inventory, Invoicing, and Email Marketing apps, so quotes and stock checks happen without third-party connectors.
  • Lead tools go beyond the basics, with predictive scoring, quota-based assignment, deduplication, and enrichment.
  • It is open source and highly customizable through Studio, the API, or self-hosting.

Cons

  • Reviewers often describe the interface and workflows as complex for new users.
  • Setup usually needs internal staff or a paid implementation partner.
  • Some users report slow performance with large datasets.
  • Opinions on support and documentation quality are mixed, and paid support is email-only on weekdays.

OneSignal logo
OneSignal

Pros

  • A free plan with unlimited push up to 1,000 MAU and 10,000 emails a month makes it cheap to start.
  • Push, in-app, email and SMS run from one platform with cross-channel journeys.
  • Reviewers on G2 and PeerSpot say the dashboard is easy for non-technical marketers to use.
  • A broad integration catalog covers CDPs such as Segment, RudderStack and Hightouch, data warehouses, and analytics tools.

Cons

  • PeerSpot reviewers call it expensive for large subscriber bases.
  • Free and Growth plans cap segments at 6 and 10, and reporting history at 30 and 90 days.
  • SMS pricing is not published and requires a sales conversation.
  • Reviewers mention unclear documentation for advanced cases and limited in-app design options.

Not sold on either?

Frequently Asked Questions

Odoo scores higher on our Marketing criteria: 7.2/10 against 7.1/10 for OneSignal. The largest gap is in Customization: 9/10 for Odoo and 6/10 for OneSignal.

Yes, both Odoo and OneSignal have a free plan.

OneSignal is the better fit for enterprise: we rate it 7/10 for them, against 5/10 for Odoo.

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