---
title: "Email testing tools compared: Mailinator, Mailosaur, MailSlurp, testmail.app and Gmail"
description: "Honest comparisons of Proxy Mail QA with Mailinator, Mailosaur, MailSlurp, testmail.app and Gmail plus-addressing: who each is for, free plans, prices and what's missing."
url: https://proxymail.qa/compare
---

Compare

# How Proxy Mail QA compares.

Most email testing tools are built for automated tests: your code creates an inbox and reads the email through an API. Proxy Mail QA is built for the people testing by hand. Here's where each one fits, including where another tool is the better choice.

- [Proxy Mail QA vs MailinatorPrivate inboxes for manual QA, against the best-known public inbox and its automation plans.Read the comparison →](https://proxymail.qa/compare/mailinator)
- [Proxy Mail QA vs MailosaurA free tool for testers working by hand, against a paid platform built for automated email and SMS tests.Read the comparison →](https://proxymail.qa/compare/mailosaur)
- [Proxy Mail QA vs MailSlurpReady-made test accounts in a web app, against an API for creating inboxes, sending and SMS.Read the comparison →](https://proxymail.qa/compare/mailslurp)
- [Proxy Mail QA vs testmail.appAddresses that last up to 30 days with codes on the row, against a low-cost API for test pipelines.Read the comparison →](https://proxymail.qa/compare/testmail)
- [Proxy Mail QA vs Gmail plus-addressingWhy one inbox and a pile of name+test addresses stops working for QA, and what to use instead.Read the comparison →](https://proxymail.qa/compare/gmail-plus-addressing)

## At a glance

Prices from each company's pricing page on 12 October 2026\. Check them for current details.

| Tool                  | Built for                                     | Free                            | Paid                            | API                             |
| --------------------- | --------------------------------------------- | ------------------------------- | ------------------------------- | ------------------------------- |
| Proxy Mail QA         | Testing by hand, and coding agents            | Whole product, fair use         | Team plan coming soon           | REST API and MCP server         |
| Mailinator            | Public inboxes; automated email and SMS tests | Public inboxes anyone can read  | From $79 a month, billed yearly | Yes                             |
| Mailosaur             | Automated email and SMS tests in CI           | 14-day trial                    | From $20 a month, billed yearly | Yes, with SDKs                  |
| MailSlurp             | Inboxes, sending and SMS from code            | 100 inboxes, 500 emails a month | From $19.99 a month             | Yes, with SDKs                  |
| testmail.app          | Reading email from automated tests            | 100 emails a month, kept 1 day  | From $9 a month, billed yearly  | JSON and GraphQL                |
| Gmail plus-addressing | One inbox, many aliases                       | Free                            | —                               | Gmail API, for your own mailbox |

Proxy Mail QA's REST API and MCP server cover the common case, an agent or test waiting for one code or link, on every plan. For SMS, sending, email previews or client libraries, pair it with one of the others.

[See every email testing problem we solve →](https://proxymail.qa/solve)

## Your next sign-up test is one click away.

Free plan, no credit card. Addresses last up to 30 days.

[Create a free account](https://app.proxymail.qa/?mode=signup)