S
SFirefox Relay vs Temp-Mail
Pricing, features, platforms and who each one suits — side by side.
F
Choose Firefox Relay if…
- you're in its core audience: privacy-conscious individuals, firefox users
T
Choose Temp-Mail if…
- you need custom domains
- you're in its core audience: privacy-conscious users, developers and qa testers
Side by side
Feature Firefox Relay Temp-Mail
PlatformsWeb, ChromeWeb, iOS, Android, API
CategoryEmail & phone aliasesTemporary email
CompanyMozilla—
Full feature lists
F Firefox Relay
- Random email masks that forward to your real inbox
- Masked phone number that forwards calls and texts
- Removal of email trackers from forwarded mail
- Blocking of promotional emails while keeping receipts
- Personal mozmail.com subdomain for instant masks
- Anonymous replies to emails and texts
- Dashboard to label, create and block masks
- Browser extension for creating masks on any site
T Temp-Mail
- Instant disposable email address with no sign-up
- Receive emails directly in the browser
- Premium mailboxes you can manage
- Automatic rules for incoming mail
- Webhooks for incoming messages
- API for disposable email
- Android and iOS apps
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Firefox Relay · relay.firefox.com
Temp-Mail · temp-mail.orgWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
Firefox Relay
Limited email protectionFree
Email protection$1.99/mo or $0.99/mo billed yearly ($11.88/yr)
Email & phone protection$4.99/mo or $3.99/mo billed yearly ($47.88/yr)
Add VPN protection$6.99/mo billed yearly ($83.88/yr)
Temp-Mail
FreeFree
Premium Monthly$10/mo
Premium Yearly$60/yr
Strengths and limitations
Firefox Relay
- Free tier includes 5 email masks and tracker removal
- Source code is public on GitHub
- Combines email and phone masking in one service
- Browser extension rated 4.1/5 from over 1,250 reviews
- Free plan is limited to 5 email masks
- Premium tiers are waitlist-only
- Premium is available only in certain countries
- Not recommended for identity-verified emails or ones that need attachments
Temp-Mail
- Free tier needs no registration
- Yearly plan costs 50% less than monthly
- API and webhooks included with Premium
- Apps for Android and iOS
- API is only included with a paid Premium plan
- Mobile app subscriptions are priced separately from the web plan
More comparisons
Other options to consider
SS
Free, from $3/mo
S
Open-source email aliases to hide your real address and block spam
Email & phone aliasesFree planAPIOpen source
A
AOpen-source email aliases that forward to your inbox and hide your real address
Free, from $1/mo
A
Free, from $1/mo
A
Open-source email aliases that forward to your inbox and hide your real address
Email & phone aliasesFree planAPIOpen source
G
GFree disposable email addresses to keep spam out of your real inbox
Free, from $0.83/mo
G
Free, from $0.83/mo
G
Free disposable email addresses to keep spam out of your real inbox
Temporary emailFree planAPIOpen source
1
11
Free
1
Free disposable email address that expires after 10 minutes, no signup
Temporary emailFree plan
Facts from each vendor's public pages, prices checked Nov 7, 2026. Editorial policy