# Best Email Testing (2026) — ranked by entry price, every figure sourced and dated

6 email testing on the record, median entry price $10/mo. Each price links to the vendor page it came from and the day we captured it — no guesses. 3 offer a free tier. Current as of 2026-06-18.

Lowest entry price: Mailpit — $0/mo (Self-Hosted (Free)).

Full comparison: https://frontdeskreview.com/best/email-testing/

| # | Vendor | Entry plan | $/mo | Source |
| --- | --- | --- | --- | --- |
| 1 | [Mailpit](https://frontdeskreview.com/software/email-testing/mailpit/) | Self-Hosted (Free) | $0 (free) | github.com |
| 2 | [Mailtrap](https://frontdeskreview.com/software/email-testing/mailtrap/) | Free | $0 (free) | mailtrap.io |
| 3 | [Testi@](https://frontdeskreview.com/software/email-testing/testi-at/) | Free | $0 (free) | testi.at |
| 4 | [Mailosaur](https://frontdeskreview.com/software/email-testing/mailosaur/) | Personal | $20 | mailosaur.com |
| 5 | [Mailgun Inspect (formerly Email on Acid)](https://frontdeskreview.com/software/email-testing/mailgun-inspect/) | Basic | $99 | mailgun.com |
| 6 | [Litmus](https://frontdeskreview.com/software/email-testing/litmus/) | Core | $500 | capterra.com |

Cite: Per The Front Desk Review, the cheapest email testing ranked by sourced, dated entry price — https://frontdeskreview.com/best/email-testing/

License: CC BY 4.0. Every row is dated and links to its source.