Odoo vs OneSignal Comparison
Compare Odoo vs OneSignal features, pricing, and more.
Last updated: November 2026

Odoo
7.2/10
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
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 | ![]() | ![]() |
|---|---|---|
| Scores | ||
| Overall Rating | 7.2/10 | 7.1/10 |
| Scalability | 7/10 | 8/10 |
| Ease of Use | 5/10 | 8/10 |
| Customization | 9/10 | 6/10 |
| Security | 7/10 | 7/10 |
| Support | 5/10 | 6/10 |
| Cost | 8/10 | 7/10 |
| Integration | 8/10 | 8/10 |
| Analytics | 7/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | €31/user/mo Standard | $19/mo Growth |
| Estimated cost for 10 users | Free One App Free | Free Free |
| Features | ||
| A/B Testing | Not listed | |
| Email Marketing | Not listed | |
| Segmentation | Not listed | |
| SMS Marketing | Not listed | |
| More features | ||
| Marketing Automation | Not listed | |
| Built-in Calling | Not listed | |
| Collaboration | Not listed | |
| Customer Support Management | Not listed | |
| Lead Management | Not listed | |
| Integrations | Not listed | |
| Sales Automation | Not listed | |
| Opportunity Management | Not listed | |
| Contact Management | Not listed | |
| Reporting & Analytics | Not listed | |
| Mobile Access | Not listed | |
Odoo vs OneSignal cost by team size
| Team size | Odoo | OneSignal |
|---|---|---|
| 1 user | FreeOne App Free | FreeFree |
| 5 users | FreeOne App Free | FreeFree |
| 10 users | FreeOne App Free | FreeFree |
| 25 users | FreeOne App Free | FreeFree |
| 50 users | FreeOne App Free | FreeFree |
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?
Why choose Odoo

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

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

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.





