Acumbamail vs OneSignal: Complete Comparison (2026)
An in-depth comparison of Acumbamail and OneSignal to help you choose the right tool for your business.
Last updated: November 2026
Acumbamail
5.8/10
Spanish email and SMS marketing platform for small and mid-sized businesses, with campaigns, automations, landing pages, transactional SMTP and prepaid sending credits.
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 | 5.8/10 | 7.1/10 |
| Scalability | 5/10 | 8/10 |
| Ease of Use | 7/10 | 8/10 |
| Customization | 6/10 | 6/10 |
| Security | 5/10 | 7/10 |
| Support | 5/10 | 6/10 |
| Cost | 8/10 | 7/10 |
| Integration | 4/10 | 8/10 |
| Analytics | 5/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | Contact for pricing | $19/mo Growth |
| Estimated cost for 10 users | Free Free | Free Free |
| Features | ||
| A/B Testing | ||
| Email Marketing | ||
| Segmentation | ||
| SMS Marketing | ||
| E-commerce Features | Not listed | |
| Landing Pages | Not listed | |
Acumbamail vs OneSignal cost by team size
| Team size | Acumbamail | OneSignal |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | FreeFree | FreeFree |
| 10 users | FreeFree | FreeFree |
| 25 users | FreeFree | FreeFree |
| 50 users | FreeFree | 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 Acumbamail
- Higher Cost score (8/10 vs 7/10)
Why choose OneSignal
- Higher Integration score (8/10 vs 4/10)
- Higher Scalability score (8/10 vs 5/10)
- Better fit for enterprise (7/10 vs 3/10)
- Better fit for startups (9/10 vs 6/10)
Pros & Cons
Acumbamail
Pros
- A permanent free plan of 2,000 emails a month needs no card, and email plans have no minimum term.
- Volume-based plans and two-year prepaid credits suit senders whose volume changes from month to month.
- Email, SMS, landing pages, surveys and a transactional SMTP relay come in one account.
- The Pro plan's white label and agency accounts are useful for agencies managing several clients.
- Native Spanish-language product and support, with EU data hosting.
Cons
- Some reviewers report deliverability problems, including emails landing in spam and blacklisted sending servers.
- Reviewers say automation cannot handle complex workflows.
- Few native integrations, with heavy reliance on Zapier and no built-in CRM.
- Some users find the interface dated, and the English version is less polished than the Spanish one.
- Monthly SMS plans require a four-month commitment, and unused monthly email credits are lost when you cancel or change plans.
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
OneSignal scores higher on our Marketing criteria: 7.1/10 against 5.8/10 for Acumbamail. The largest gap is in Integration: 4/10 for Acumbamail and 8/10 for OneSignal.
Yes, both Acumbamail and OneSignal have a free plan.
OneSignal is the better fit for enterprise: we rate it 7/10 for them, against 3/10 for Acumbamail.
