addy.io
7.3#5 in email alias servicesFrom $1 a monthFree planAndroidiOSWebAPI
Visitaddy.io vs Firefox Relay
Firefox Relay
8.0#1 in mobile browser softwareFree planFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | addy.io | Firefox Relay |
|---|---|---|
| Purpose | addy.io creates email aliases that forward messages to a real inbox so users can share aliases instead of their main email address. | 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. |
| Self-hosting | The maker provides instructions for hosting addy.io yourself. | The public repository explains how to run the Relay site locally and lists Python, PostgreSQL, Node/npm tooling, and Amazon SES requirements. |
addy.io plans
- FreeFree
- Lite$1 a month
- Pro$3 a month
- Duo$4.50 a month
- Family$7.50 a month
Firefox Relay plans
- Limited email protectionFree
- Add VPN protectionPriced on request
- Email & phone protectionPriced on request
- Email protectionPriced on request
Pick addy.io if…
addy.io suits people who want to share aliases rather than their main email address, with controls for disabling or deleting aliases. It can also suit users who want custom domains, encrypted forwarding, browser extensions, mobile apps, or self-hosting instructions.
Pick Firefox Relay if…
Firefox Relay suits people who want to use masked contact details for sign-ups and forward messages or calls without sharing their real details. Its dashboard and browser extension offer ways to manage masks, while phone masks and anonymous email replies are available in paid options.