MailerSend vs Trustpilot: Complete Comparison (2026)
An in-depth comparison of MailerSend and Trustpilot to help you choose the right tool for your business.
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.
Trustpilot
5.6/10
Trustpilot Business is a review collection and reputation platform that lets companies invite, display, and analyse customer reviews on Trustpilot to build trust and support marketing.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 5.6/10 |
| Scalability | 7/10 | 7/10 |
| Ease of Use | 8/10 | 7/10 |
| Customization | 6/10 | 5/10 |
| Security | 6/10 | 6/10 |
| Support | 8/10 | 4/10 |
| Cost | 7/10 | 3/10 |
| Integration | 7/10 | 7/10 |
| Analytics | 6/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $7/mo Hobby | Contact for pricing |
| Estimated cost for 10 users | $110/mo Professional | Contact for pricing |
| Features | ||
| A/B Testing | Not listed | |
| E-commerce Features | Not listed | |
| Email Marketing | Not listed | |
MailerSend vs Trustpilot cost by team size
MailerSend and Trustpilot cost the same at 1 user.
| Team size | MailerSend | Trustpilot |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | $7/moHobby | Contact for pricing |
| 10 users | $110/moProfessional | Contact for pricing |
| 25 users | $110/moProfessional | Contact for pricing |
| 50 users | $110/moProfessional | Contact for pricing |
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 Support score (8/10 vs 4/10)
- Higher Cost score (7/10 vs 3/10)
- Better fit for startups (9/10 vs 3/10)
- Better fit for agencies (7/10 vs 3/10)
Why choose Trustpilot
- Better fit for marketing teams (7/10 vs 4/10)
- Better fit for e-commerce (9/10 vs 6/10)
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.
Trustpilot
Pros
- Its TrustScore and star widgets come from a review site consumers already recognise, which makes them useful as social proof.
- The free plan lets a business reply to reviews and collect up to 50 invited reviews a month.
- Ready-made integrations with Shopify, WooCommerce, Klaviyo, Salesforce, and HubSpot can send review invitations automatically.
- The Invitation Optimizer can A/B test subject lines, email copy, and send delays.
Cons
- Paid plans are expensive, starting at about 3,800 dollars a year for each domain.
- Contracts last 12 months, renew automatically, and do not allow downgrades mid-term.
- Independent sources report renewal price increases of 32 to 78 percent.
- Some reviewers complain that moderation is inconsistent and that fake reviews get through.
- The listed prices are annual only. The pricing page shows no monthly price.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 5.6/10 for Trustpilot. The largest gap is in Cost: 7/10 for MailerSend and 3/10 for Trustpilot.
Yes, both MailerSend and Trustpilot have a free plan.
MailerSend is the better fit for startups: we rate it 9/10 for them, against 3/10 for Trustpilot.
