Firefox Relay

B tier on Mobile Browser SoftwareScore 7.0 · #8 of 32

Android app: Yes
Free plan: Yes
Runs on: Android, Browser extension, iOS, Web

relay.firefox.com

Summary

Firefox Relay is ranked #8 of 32 in mobile browser software on Everything Xiaomi. It runs on Android, Browser extension, iOS, Web. There is a free plan.

Firefox Relay plans and pricing

All plans

Limited email protection Free 5 email masks · browser extension · email tracker removal relay.firefox.com · 3 Oct 2026

Email protection Not published Join the waitlist Unlimited email masks · browser extension · email tracker removal · promotional email blocking · custom Relay email domain · anonymous email replies relay.firefox.com · 3 Oct 2026

Add VPN protection Not published Join the waitlist; billed monthly Unlimited email masks · browser extension · email tracker removal · promotional email blocking · custom Relay email domain · anonymous email replies · phone mask · Mozilla VPN access relay.firefox.com · 3 Oct 2026

Email & phone protection Not published Join the waitlist; billed monthly Unlimited email masks · browser extension · email tracker removal · promotional email blocking · custom Relay email domain · anonymous email replies · phone mask relay.firefox.com · 3 Oct 2026

Compared on mobile browser software

Free plan: Yesrelay.firefox.com
Custom domains: Norelay.firefox.com
Reply from alias: Yesrelay.firefox.com
Send from alias: Norelay.firefox.com
Browser extension: Yesrelay.firefox.com

Facts

Purpose: Relay creates masked email addresses and phone numbers for sign-ups and forwards emails, calls, and texts while concealing the user's real contact details.relay.firefox.com · 3 Oct 2026
Email mask forwarding: Email masks are private addresses that forward messages to the user's true email address.relay.firefox.com · 3 Oct 2026
Dashboard: The dashboard lets users create and label masks and block calls, texts, or emails from masks receiving too much spam.relay.firefox.com · 3 Oct 2026
Email replies: Premium users can reply to a forwarded email within three months of receiving it; adding CC or BCC exposes the original email address.relay.firefox.com · 3 Oct 2026
Tracker removal: Relay removes common email trackers from forwarded emails.relay.firefox.com · 3 Oct 2026
Promotional email blocking: Premium promotional blocking may block important messages, and blocked email cannot be recovered.relay.firefox.com · 3 Oct 2026
Forwarding limit: Relay does not forward email attachments larger than 10 MB.relay.firefox.com · 3 Oct 2026
Service availability: Free Relay is available in most countries, while Premium is available in the countries listed on its pricing page.relay.firefox.com · 3 Oct 2026
Browser and mobile use: Users can generate masks on other browsers or mobile devices by signing in to the Relay dashboard.relay.firefox.com · 3 Oct 2026
Extension availability: The Firefox Relay extension listing says it is available on Firefox for Android.addons.mozilla.org · 3 Oct 2026
Password manager integration: Mozilla Support describes integrating Relay into Firefox Password Manager to generate or reuse email masks from email fields.support.mozilla.org · 3 Oct 2026
Privacy data: Relay collects which websites users have used masks on and associates those sites with the masks; users can opt out of that collection in settings.relay.firefox.com · 3 Oct 2026
Temporary storage: During a service outage, Relay may temporarily store emails, but says it will not store them for longer than three days.relay.firefox.com · 3 Oct 2026
Support: Relay provides a support site and a contact support option for users who need help.support.mozilla.org · 3 Oct 2026
Maker: Mozilla says the Mozilla Project is a global community that has worked together since 1998; the opened About page does not state a headquarters.mozilla.org · 3 Oct 2026