ImprovMX

Create free email aliases for your domain name

★★★★★ 5.0/5
FactScore™ 47.7
VS

Resend

Email for developers

★★★★★ 4.9/5
FactScore™ 110.1

Updated February 2026

ImprovMX Resend
Rating 5.0★ 4.9★
Reviews 8 172
Pros 5 17
FactScore™ 47.7 110.1

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

47.7
ImprovMX FactScore™
👑
110.1
Resend FactScore™
★ Resend wins on FactScore™

Pros & Cons

Only in ImprovMX — Pros

Fast performance Custom domain support Easy to use Email forwarding

Both tools — Pros

Easy setup

Only in Resend — Pros

Developer-friendly API Reliable delivery Fast integration Simple UI High deliverability rates React Email integration Free tier Seamless integration Scalable email sending Dynamic templating Transparent pricing Excellent documentation Detailed logging Real-time analytics SMTP functionality Webhook support

Only in ImprovMX — Cons

Both tools — Cons

Only in Resend — Cons

Slow performance Free tier Lack of unsubscribe API endpoint SMTP functionality Transparent pricing

Details

ImprovMX Resend
Categories Email clients, Email marketing Email clients, Engineering & Development, Email marketing
Platforms Web Web
Became Popular October 19, 2016 February 8, 2023
Website improvmx.com resend.com

Who Should Pick Which?

Choose ImprovMX if...

  • Fast performance
  • Custom domain support
  • Easy to use

Choose Resend if...

  • Developer-friendly API
  • Reliable delivery
  • Fast integration

With a FactScore™ of 47.7 vs 110.1, Resend leads in community reception. ImprovMX uniquely offers Fast performance and Custom domain support, while Resend stands out for Developer-friendly API and Reliable delivery.

3

What Users Say

ImprovMX

A
Avi Jul 25, 2023
★★★★★

I love this product. It really let's me use my single Gmail account with all my domains and I've found it to be reliable, gets through SPAM, and is so affordable. Highly recommend.

K
Kai Jan 23, 2023
★★★★★

Great product. Thoroughly enjoyed onboarding, they clearly understand UX. And a very generous free plan.

Resend

D
Dan Aug 23, 2023
★★★★★

Resend is awesome. Coincidently, my product is launching on producthunt today as well, and I use Resend. In the past I mostly used Send Grid. I was happy to move to a different alternative that was...

S
Sebastian Mar 27, 2025
★★★★★

Amazing developer experience, great UX (no visual clutter) and high deliverability/reliability. We started out using MailChimp but quickly felt like they were just throwing a bunch of features in o...

D
DRNKNDev Nov 4, 2025
★★★★★

Resend + React Email is the cleanest email stack we've used. Write emails as React components with Tailwind CSS, test locally, deploy confidently. Superior DX to SendGrid/Mailgun's template languag...

Frequently Asked Questions

Which is better, ImprovMX or Resend?

Based on FactScore™, Resend leads with a score of 110.1 vs 47.7. Resend has a higher rating of 4.9★ compared to 5.0★.

What are the pros of ImprovMX compared to Resend?

ImprovMX uniquely offers: Fast performance, Custom domain support, Easy to use, Email forwarding.

What are the pros of Resend compared to ImprovMX?

Resend uniquely offers: Developer-friendly API, Reliable delivery, Fast integration, Simple UI, High deliverability rates.

Is ImprovMX better rated than Resend?

ImprovMX is rated 5.0★ from 8 reviews. Resend is rated 4.9★ from 172 reviews.

What is the FactScore™ of ImprovMX and Resend?

FactScore™ weighs rating and review volume together. ImprovMX scores 47.7 and Resend scores 110.1.

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