MailerSend vs Postscript: Complete Comparison (2026)
An in-depth comparison of MailerSend and Postscript 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.
Postscript
6.3/10
Postscript is an SMS, MMS and RCS marketing platform built for Shopify stores, with automations, segmentation, subscriber growth tools and optional AI features.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.3/10 |
| Analytics | 6/10 | 7/10 |
| Cost | 7/10 | 5/10 |
| Customization | 6/10 | 6/10 |
| Ease of Use | 8/10 | 8/10 |
| Integration | 7/10 | 6/10 |
| Scalability | 7/10 | 7/10 |
| Security | 6/10 | 6/10 |
| Support | 8/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | No |
| Cheapest paid plan | $7/mo Hobby | $49/mo Starter |
| Estimated cost for 10 users | $110/mo Professional | $49/mo Starter |
| Features | ||
| A/B Testing | Not listed | |
| E-commerce Features | Not listed | |
| Email Marketing | Not listed | |
| Segmentation | Not listed | |
| SMS Marketing | Not listed | |
MailerSend vs Postscript cost by team size
MailerSend costs less up to 5 users; Postscript costs less from 10 users.
| Team size | MailerSend | Postscript |
|---|---|---|
| 1 user | FreeFree | $49/moStarter |
| 5 users | $7/moHobby | $49/moStarter |
| 10 users | $110/moProfessional | $49/moStarter |
| 25 users | $110/moProfessional | $49/moStarter |
| 50 users | $110/moProfessional | $49/moStarter |
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
- Has a free plan (Postscript does not)
- Higher Cost score (7/10 vs 5/10)
- Higher Support score (8/10 vs 6/10)
- Better fit for saas companies (9/10 vs 1/10)
- Better fit for agencies (7/10 vs 4/10)
Why choose Postscript
- Lower estimated cost for 10 users: $49/mo vs $110/mo
- Higher Analytics score (7/10 vs 6/10)
- Better fit for marketing teams (8/10 vs 4/10)
- Better fit for e-commerce (10/10 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.
Postscript
Pros
- Built around Shopify, so store data drives segments, flows and attribution with little setup.
- Starter has no platform fee, and message rates fall on the higher tiers for high-volume senders.
- Every plan includes unlimited segments, a visual flow builder with templates and response management.
- Holds about a 4.7 rating across more than 1,100 Shopify App Store reviews.
- A $100 trial credit lets stores test real sends before choosing a plan.
Cons
- Covers texting only. Email is on a waitlist, so most stores need a separate email platform.
- Starter charges the $49 minimum even in months with no sends.
- Live chat support requires Growth or higher, and recent reviews criticize the move to AI-first support.
- Some merchants report annual contracts that renewed for another year without them noticing.
- Built for US and Canada; comparison articles report international SMS at about $0.25 per message.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 6.3/10 for Postscript. The largest gap is in Cost: 7/10 for MailerSend and 5/10 for Postscript.
Postscript costs less for 10 users: about $49/mo on its Starter plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
MailerSend has a free plan; Postscript does not list one.
MailerSend is the better fit for saas companies: we rate it 9/10 for them, against 1/10 for Postscript.
