# Alternatives to SimpleLogin

Proton's open source alias service.

SimpleLogin ranks #1 of 10 in Email alias services, with an Alt Score of 100. It is licensed under AGPL-3.0, freemium from $36/year and available on Web, Browser extension, iOS and Android. 9 of 9 checklist rows are verified against a public source.

Source: https://altcatalog.com/alternatives/simplelogin/
Category: Email alias services

## Where SimpleLogin stands out

- **PGP encryption** — 2 of 5 apps with a verified answer have this
- **Self-hostable** — 4 of 9 apps with a verified answer have this

## Overview

- **Who it's for**: Privacy-conscious people who want to stop handing out their real email address when signing up for websites, and developers or organizations who want a self-hostable aliasing system they control.
- **What you get**: Unlimited email aliases that forward incoming mail to your real inbox without exposing it. You can reply or send new mail from an alias, and recipients only ever see the alias address. Supports custom domains, catch-all aliases, PGP encryption, and 2FA (TOTP/WebAuthn). Available as browser extensions and iOS/Android apps, and the code is open-source and self-hostable via Docker.
- **How it works**: Each alias is a real forwarding address: mail sent to it is relayed to your actual inbox, and when you reply, SimpleLogin generates a per-sender reverse-alias that strips your real address and sends the reply from the alias instead, so the other party never sees your true email.

## Profile

- **License**: AGPL-3.0 (verified 2026-07-08)
- **Pricing model**: Freemium (verified 2026-07-08)
- **Starts at**: $36/year (verified 2026-07-08)
- **Platforms**: Web, Browser extension, iOS, Android
- **Status**: active (verified 2026-07-08)

## Ranked alternatives

| # | App | Alt Score | Licence | Platforms |
|---|-----|-----------|---------|-----------|
| 1 | [addy.io](https://altcatalog.com/alternatives/addyio.md) | 90 | AGPL-3.0 | Web, iOS, Android, Browser extension |
| 2 | [Forward Email](https://altcatalog.com/alternatives/forward-email.md) | 90 | BUSL-1.1 | Windows, macOS, Linux, iOS |
| 3 | [Firefox Relay](https://altcatalog.com/alternatives/firefox-relay.md) | 75 | MPL-2.0 | ? |
| 4 | [33mail](https://altcatalog.com/alternatives/33mail.md) | 60 | ? | Web |
| 5 | [AliasVault](https://altcatalog.com/alternatives/aliasvault.md) | 60 | AGPL-3.0 | Windows, macOS, Linux, iOS |
| 6 | [ImprovMX](https://altcatalog.com/alternatives/improvmx.md) | 55 | Proprietary | Web |
| 7 | [Apple Hide My Email](https://altcatalog.com/alternatives/apple-hide-my-email.md) | 45 | Proprietary | iOS, macOS, Web |
| 8 | [DuckDuckGo Email Protection](https://altcatalog.com/alternatives/duckduckgo-email-protection.md) | 40 | Proprietary | Web, Browser extension, iOS, Android |
| 9 | [Burner Mail](https://altcatalog.com/alternatives/burnermail.md) | 30 | ? | Web, Browser extension |

Alt Score = Verified coverage (90%) + Visibility (10%). See https://altcatalog.com/how-alt-score-works/

## Feature comparison

Legend: Yes / No / Partial / ? (not verified).

| Email alias services checklist | SimpleLogin | addy.io | Forward Email | Firefox Relay | 33mail | AliasVault |
|---|---|---|---|---|---|---|
| Pricing model | Freemium | Freemium | Freemium | Freemium | Freemium | Freemium |
| Starts at | $36/year | ? | $3/mo | ? | $1/mo | Free |
| License | AGPL-3.0 | AGPL-3.0 | BUSL-1.1 | MPL-2.0 | ? | AGPL-3.0 |
| Platforms | Web, Browser extension, iOS, Android | Web, iOS, Android, Browser extension | Windows, macOS, Linux, iOS, Android, Web | ? | Web | Windows, macOS, Linux, iOS, Android, Web, Browser extension |
| Unlimited aliases (paid) | Yes | Yes | Yes | Yes | Yes | Partial |
| Custom domains | Yes | Yes | Yes | Yes | Yes | Partial |
| Reply from alias | Yes | Yes | Yes | Yes | Yes | No |
| Browser extension | Yes | Yes | No | Yes | ? | Yes |
| Self-hostable | Yes | Yes | Yes | Partial | ? | Yes |
| Open source | Yes | Yes | Yes | Yes | ? | Yes |
| PGP encryption | Yes | ? | Yes | ? | ? | No |
| Free tier limits | Yes | Yes | Yes | Yes | Yes | Yes |
| Catch-all support | Yes | Yes | Yes | ? | Yes | ? |

## Sources

Sources for SimpleLogin. Each alternative is sourced on its own page.

- **License**: AGPL-3.0 — <https://raw.githubusercontent.com/simple-login/app/master/LICENSE> (verified 2026-07-08)
  - Quote: “GNU AFFERO GENERAL PUBLIC LICENSE
                       Version 3, 19 November 2007”
- **Pricing model**: Freemium — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “SimpleLogin is open source, can be self-hosted and is 100% funded by the community. We do not use your data, track you or show you ads.”
- **Starts at**: $36/year — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “$36/year or $4 billed monthly”
- **Platforms**: Web, Browser extension, iOS, Android — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “Browser extensions Chrome, Firefox and Safari iOS, Android App”
- **Status**: active — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Note: Acquired by Proton (2022); still actively developed.
  - Quote: “SimpleLogin is the product of Proton AG, registered in Switzerland under number CHE-354.686.492.”
- **Unlimited aliases (paid)**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “Unlimited aliases”
- **Custom domains**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “Unlimited custom domains”
- **Reply from alias**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “Reply from alias”
- **Browser extension**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “Browser extensions Chrome, Firefox and Safari”
- **Self-hostable**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “SimpleLogin is open source, can be self-hosted and is 100% funded by the community.”
- **Open source**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “SimpleLogin is open source, can be self-hosted and is 100% funded by the community.”
- **PGP encryption**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “PGP Encryption”
- **Free tier limits**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “You cannot create new aliases if you exceed the free plan limit, i.e. have more than 10 aliases.”
- **Catch-all support**: Yes — <https://simplelogin.io/pricing/> (verified 2026-07-08)
  - Quote: “Catch-all (or wildcard) domain”

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Ranked by verified data, never by who paid. https://altcatalog.com/trust/