# mozilla-mobile/firefox-ios

Firefox for iOS

Repository: https://github.com/mozilla-mobile/firefox-ios
Canonical: https://ross.abutalabs.com/products/firefox-ios
Language: Swift
License: MPL-2.0
License Family: copyleft
Topics: swift, browser, ios-app, firefox, mozilla
Last push: 2026-08-26T23:41:03+00:00

## Health v2 (maintenance only)
Score: 95/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 99, release rhythm 86, longevity 100
- inputs: {"age_days": 4321, "days_push": 7, "days_rel": 12, "gap_med": 6, "n_releases_24m": 108}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 13033, forks 3261 (observed 2026-08-28T04:11:01.762614+00:00)

## What it is
The official Mozilla monorepo containing Firefox for iOS and Firefox Focus for iOS, full-featured open-source web browsers built in Swift. It includes the complete source code, build tooling, and contribution workflows for both apps.

## Use cases
- browse the web privately on iphone
- contribute to firefox ios source code
- build a custom ios web browser from firefox
- block trackers on ios
- report bugs in firefox for ios

## When to choose
- you want to contribute to or fork Firefox for iOS
- you need a privacy-focused open-source browser on iPhone or iPad
- you want to study a large production Swift iOS app

## When to avoid
- you need a browser for Android or desktop
- you want a lightweight library rather than a full application
- you cannot work with Xcode and Apple toolchains

## Facets
- artifact type: application
- maturity: active
- function: browser-extension, security, privacy
- domain: web-development, privacy, apple-ecosystem, mobile-development
- platform: -
- tags: web-browser, firefox, mozilla, focus-browser, ios-app, open-source-browser, ios, swift, mobile

## Member repositories
- mozilla-mobile/firefox-ios (main) score 95

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:01.762614+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:13:34.962235+00:00, confidence not recorded.
  - readme: https://github.com/mozilla-mobile/firefox-ios (fetched 2026-08-28T04:11:01.762614+00:00, sha 69154f296482)
- Data as of 2026-08-30T08:39:29.467469+00:00.