MailerSend vs Odoo Comparison
Compare MailerSend vs Odoo features, pricing, and more.
Last updated: November 2026
MailerSend
6.9/10
MailerSend is a transactional email and SMS API with SMTP relay and a template builder, aimed at developers and businesses sending app-triggered messages.
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.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 7.2/10 |
| Scalability | 7/10 | 7/10 |
| Ease of Use | 8/10 | 5/10 |
| Customization | 6/10 | 9/10 |
| Security | 6/10 | 7/10 |
| Support | 8/10 | 5/10 |
| Cost | 7/10 | 8/10 |
| Integration | 7/10 | 8/10 |
| Analytics | 6/10 | 7/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $7/mo Hobby | €31/user/mo Standard |
| Estimated cost for 10 users | $110/mo Professional | Free One App Free |
| Features | ||
| Email 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 | |
MailerSend vs Odoo cost by team size
| Team size | MailerSend | Odoo |
|---|---|---|
| 1 user | FreeFree | FreeOne App Free |
| 5 users | $7/moHobby | FreeOne App Free |
| 10 users | $110/moProfessional | FreeOne App Free |
| 25 users | $110/moProfessional | FreeOne App Free |
| 50 users | $110/moProfessional | FreeOne App Free |
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 MailerSend
- Higher Ease of Use score (8/10 vs 5/10)
- Higher Support score (8/10 vs 5/10)
- Better fit for developers (9/10 vs 6/10)
- Better fit for startups (9/10 vs 7/10)
Why choose Odoo
- Higher Customization score (9/10 vs 6/10)
- Higher Security score (7/10 vs 6/10)
- Better fit for mid-market (8/10 vs 6/10)
- Better fit for marketing teams (6/10 vs 4/10)
Pros & Cons
MailerSend
Pros
- Developers can send through a REST API or an SMTP relay, with SDKs and connectors for Laravel, Django, Rails, Symfony, Supabase and Firebase.
- A free tier of 500 emails and a $7 Hobby plan make it cheap to start.
- Capterra reviewers repeatedly praise its responsive support and clear documentation.
- Built-in blocklist and DMARC monitoring help teams protect deliverability.
- Starter and higher plans add an SMS API, and a WhatsApp add-on is available.
Cons
- It is built for transactional email, not full marketing campaign management.
- Reviewers report sudden throttling or account suspensions after bounce or complaint thresholds are crossed.
- Free and Hobby plans keep only one day of activity history.
- SMS is limited to the USA and Canada.
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.
Not sold on either?
Frequently Asked Questions
Odoo scores higher on our Marketing criteria: 7.2/10 against 6.9/10 for MailerSend. The largest gap is in Customization: 6/10 for MailerSend and 9/10 for Odoo.
Yes, both MailerSend and Odoo have a free plan.
MailerSend is the better fit for developers: we rate it 9/10 for them, against 6/10 for Odoo.
