Free tool

Launch readiness check

Four quick taps. We match your stack against 344 verified cases of apps that broke in production and show the five most common failures for apps like yours, each with a check to run. Your answers stay in your browser.

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Top 5 ways apps like yours broke after launch

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    Your coding agent can run these checks for you. Copy the prompt into Claude Code, Cursor, Lovable or any agent that can read your code.

    From 344 verified cases in the last 12 months, updated 1 Oct 2026. Counts are aggregates of public forum posts; a stack shows more cases where more of its users post publicly, so read the shares within a stack, not across stacks. Method · Open data

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