Independent · sourced · Updated September 2026

Best Email Testing (2026)

6 email testing options compared on price, free tier, compliance and fit — ranked by entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it; where a vendor publishes no monthly price we name the kind of pricing it uses, never a guess.

The cheapest email testing is Mailpit at $0/mo. 3 offer a free tier. All 6 compared below on price, free tier and compliance — every figure sourced and dated, updated September 2026.

As of Sep 17, 2026 · figures linked to their source in the table below

Cite this comparison Per The Front Desk Review, the cheapest email testing is Mailpit at $0/mo; across 4 with published pricing the median is $21/mo ($7–$99/mo), 3 with a free tier, every figure sourced and dated, as of 2026-09-17. https://frontdeskreview.com/best/email-testing/

Key takeaways

  • Typical paid price: from $7/mo, median $21/mo, up to $99/mo — across 4 with published pricing.
  • Free tier: Mailpit, Mailtrap, Testi@.
  • HIPAA-ready: Mailgun Inspect (formerly Email on Acid).
  • Tracked: 6 vendors, data current through 2026-09-17.

Comparison

Entry price = lowest published self-serve monthly plan. Sourced per row.
#Email TestingEntry priceFreeHIPAASOC 2Best forSourceVisit
1 Mailpit $0/mo Self-Hosted (Free) Yes Developers needing local/CI email testing github.com Visit →
2 Mailtrap $0/mo Free Yes Yes Developer teams mailtrap.io Visit →
3 Testi@ $0/mo Free Yes Freelancers testi.at Visit →
4 Mailosaur $25/mo Personal No QA automation engineers mailosaur.com Visit →
5 Mailgun Inspect (formerly Email on Acid) $99/mo Basic No Yes Yes Teams already on Mailgun mailgun.com Visit →
6 Litmus not priced monthly No Yes Enterprise marketing teams litmus.com Visit →

Prices are the lowest published self-serve monthly rate as captured on the linked source. Annual-billing and usage details are on each vendor's record in our open dataset.

Alternatives

Narrow it down

Popular comparisons

Filter email testing by pricing & compliance

All software categories →

What is the cheapest email testing?

Mailpit has the lowest published entry price at $0/mo (Self-Hosted (Free)), as of 2026-09-02.

How much does email testing cost per month?

Across the 4 email testing with published paid pricing, the median starting price is $21/mo, ranging from $7/mo to $99/mo, as of 2026-09-17. 3 also offer a free tier. 1 are quote-only.

Which email testing have a free plan?

Mailpit, Mailtrap, Testi@ offer a free tier.

Which email testing support HIPAA?

Mailgun Inspect (formerly Email on Acid) state HIPAA support (a BAA). Always confirm current scope with the vendor.

Embed this comparison — free

Add the live cheapest-email testing list to your site. It reflects our latest data, and an attribution link is built in.