aider vs firefox-ios

aider and firefox-ios share 5 technologies: Rich, jinja2, markdown-it-py, markupsafe, and mdurl. aider is written in Python and firefox-ios in Swift.

Read it as markdown

What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
aider41,407 lines written93 code files
firefox-ios592,956 lines written2,242 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
aider89.5% of its commits signed by AIWith Aider, Gemini CLI, Codex, and Claude Code
firefox-ios0.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
aiderLast push May 22, 202612,461 commits50,047 stars
firefox-iosLast push November 10, 202620,850 commits13,068 stars
TestsThe files that test the code, and the share of code files a test imports.
aider57 test files36.6% of its code files have a test that imports them
firefox-ios1,280 test files54.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, aider or firefox-ios?
firefox-ios, with 592,956 lines written; aider has 41,407.

The proof: mozilla-mobile/firefox-ios's code at commit 81b5f3a

Which has more GitHub stars, aider or firefox-ios?
aider, with 50,047 stars; firefox-ios has 13,068.

The proof: Aider-AI/aider on GitHub

Which has more tests, aider or firefox-ios?
firefox-ios, with 1,280 test files; aider has 57.

The proof: mozilla-mobile/firefox-ios's code at commit 81b5f3a

Which was updated more recently, aider or firefox-ios?
firefox-ios: its last push was on November 10, 2026, and aider's on May 22, 2026.

The proof: mozilla-mobile/firefox-ios's commits on GitHub

Which has more commits signed by AI, aider or firefox-ios?
aider: an AI signed 89.5% of its commits, with Aider, Gemini CLI, Codex, and Claude Code; in firefox-ios, 0.2%.

The proof: the commits each tool signed in Aider-AI/aider

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