MailerLite vs OneSignal: Complete Comparison (2026)
An in-depth comparison of MailerLite and OneSignal to help you choose the right tool for your business.
Last updated: November 2026

MailerLite
7.1/10
MailerLite is an email marketing platform for small businesses and creators, combining newsletters, automations, landing pages, sites, forms and digital product sales.

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 | 7.1/10 | 7.1/10 |
| Analytics | 6/10 | 6/10 |
| Cost | 8/10 | 7/10 |
| Customization | 7/10 | 6/10 |
| Ease of Use | 9/10 | 8/10 |
| Integration | 7/10 | 8/10 |
| Scalability | 6/10 | 8/10 |
| Security | 6/10 | 7/10 |
| Support | 5/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $12/mo Comfort | $19/mo Growth |
| Estimated cost for 10 users | $25/mo Power | Free Free |
| Features | ||
| A/B Testing | ||
| Email Marketing | ||
| Segmentation | ||
| E-commerce Features | Not listed | |
| Landing Pages | Not listed | |
| SMS Marketing | Not listed | |
MailerLite vs OneSignal cost by team size
MailerLite and OneSignal cost the same at 1 user; OneSignal costs less from 5 users.
| Team size | MailerLite | OneSignal |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | $25/moPower | FreeFree |
| 10 users | $25/moPower | FreeFree |
| 25 users | $25/moPower | FreeFree |
| 50 users | $25/moPower | 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 MailerLite

- Higher Cost score (8/10 vs 7/10)
- Higher Customization score (7/10 vs 6/10)
- Better fit for content creators (8/10 vs 3/10)
- Better fit for small business (9/10 vs 7/10)
Why choose OneSignal

- Lower estimated cost for 10 users: Free vs $25/mo
- Higher Scalability score (8/10 vs 6/10)
- Higher Integration score (8/10 vs 7/10)
- Better fit for enterprise (7/10 vs 4/10)
- Better fit for mid-market (7/10 vs 5/10)
Pros & Cons
MailerLite

Pros
- The interface is clean, and reviewers say automations are quick to set up even for first-time users.
- Automations are included even on the free plan.
- Paid plans start at $12 a month, which reviewers say is cheaper than Mailchimp or Constant Contact.
- Native e-commerce integrations with Shopify, WooCommerce and Stripe feed purchase-based automations.
- Reviewers report deliverability ranking first in an independent EmailToolTester test.
Cons
- Many users report accounts suspended or terminated with little warning and difficult appeals.
- Support is email-only on Comfort, and some reviewers say replies are slow.
- The free plan has been cut more than once and now allows only 250 subscribers.
- Prices rise steeply as the list grows, according to a competitor's analysis.
- Reviewers find reporting and segmentation limited for larger companies.
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
MailerLite and OneSignal both score 7.1/10 on our Marketing criteria. The largest gap is in Scalability: 6/10 for MailerLite and 8/10 for OneSignal.
OneSignal costs less for 10 users: free on its Free plan, against about $25/mo on its Power plan for MailerLite, billed monthly.
Yes, both MailerLite and OneSignal have a free plan.
MailerLite is the better fit for content creators: we rate it 8/10 for them, against 3/10 for OneSignal.





