Email Testing · true cost · Updated November 2026
The true cost of email testing
What you'll actually pay. Of the 6 email testing tools we track, 2 price on a basis this column cannot carry, 1 charge usage overages. Here's every tool's entry price and its hidden-cost flags — each linked to its sourced record.
The hidden-cost picture
- Not priced monthly: 2 publish a figure on another basis — usage rates, non-USD, or annual-only.
- Usage overages: 1 charge for going over plan limits.
- Cheapest published: Testi@ from $7/mo.
- No overage or setup fee: Testi@, Mailtrap, Mailosaur.
As of · re-verified with each catalog refresh
Email Testing — entry price & hidden-cost flags
| Tool | Entry price | Usage overages | Setup fee |
|---|---|---|---|
| Testi@ | $7/mo | — | — |
| Mailtrap | $17/mo | — | — |
| Mailosaur | $25/mo | — | — |
| Mailgun Inspect (formerly Email on Acid) | $99/mo | Yes | — |
| Litmus | not priced monthly | — | — |
| Mailpit | quote-only | — | — |
Prices and fee terms re-verified with each catalog refresh. Last catalog update 2026-11-01. "Quote-only" means the vendor publishes no self-serve price.
Frequently asked questions
Does email testing have hidden fees?
Across the 6 email testing tools we track: 2 price on a basis this column cannot carry, 1 charge usage overages. As of 2026-11-01.
What is the cheapest email testing with published pricing?
Testi@, from $7/mo. Verified 2026-09-26.
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