G2 Vendor Directory

FreeCustom.Email vs. RainLoop

A side-by-side comparison based on G2 review data.

MetricFreeCustom.Email

by DishIs Technologies

RainLoop

by RainLoop

Overall rating4.64.5
Review count1513
Ease of use9.49.3
Ease of setup9.38.0
Quality of support8.97.1
Meets requirements9.38.9
NPS73.33333358.333333
Small Business73.3%69.2%
Mid-Market26.7%23.1%
Enterprise0.0%7.7%
Total page views16721
Total LLM citations16131

FreeCustom.Email

FreeCustom.Email is an API-first email testing platform built for developers and QA teams to automate signup, OTP, and authentication workflows. It enables teams to create inboxes programmatically, receive emails in real time, and extract verification codes or links through a simple API—making end-to-end testing of auth flows reliable and CI-friendly. Unlike traditional disposable email services, FreeCustom.Email is designed specifically for email testing and automation, with built-in OTP extraction, real-time event handling, and seamless integration into modern test pipelines.

Pros

    RainLoop

    RainLoop is a web based email client.

    Pros