Compare
postiz-app vs sim
postiz-app and sim share 8 technologies: Next.js, React, Redis, Postgres, Stripe, OpenAI, MCP, and Resend. Both are written in TypeScript.
What they share and what sets them apart
gitroomhq
postiz-app
📨 The ultimate agentic social media scheduling tool 🤖
TypeScript40.3kRead on October 31, 2026, at commit be5900fWhat is postiz-app built with?simstudioai
sim
Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.
TypeScript30kRead on November 2, 2026, at commit df7709bWhat is sim built with?In common
Only in postiz-app
Only in sim
Side by side
postiz-appsim
SizeLines written by people and agents, without generated ones; code files, without tests.
postiz-app132,403 lines written780 code files
sim4,073,540 lines written10,948 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.
postiz-app11.5% of its commits signed by AIWith Claude Code and GitHub Copilot
sim5.3% of its commits signed by AIWith Claude Code, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
postiz-appLast push October 31, 20262,715 commits40,328 stars
simLast push November 2, 20268,178 commits29,966 stars
TestsThe files that test the code, and the share of code files a test imports.
postiz-app0 test files
sim3,682 test files38.4% of its code files have a test that imports them
Frequently asked questions
Which is bigger, postiz-app or sim?
sim, with 4,073,540 lines written in 10,948 code files; postiz-app has 132,403 in 780.
The proof: simstudioai/sim's code at commit df7709b
Which has more GitHub stars, postiz-app or sim?
postiz-app, with 40,328 stars; sim has 29,966.
The proof: gitroomhq/postiz-app on GitHub
Which has more tests, postiz-app or sim?
sim, with 3,682 test files.
The proof: simstudioai/sim's code at commit df7709b
Which was updated more recently, postiz-app or sim?
sim: its last push was on November 2, 2026, and postiz-app's on October 31, 2026.
The proof: simstudioai/sim's commits on GitHub
Which has more commits signed by AI, postiz-app or sim?
postiz-app: an AI signed 11.5% of its commits, with Claude Code and GitHub Copilot; in sim, 5.3%.
The proof: the commits each tool signed in gitroomhq/postiz-app
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