Usages guides
Guides to Claude Code and Codex usage limits
How the 5-hour and weekly windows work, when they reset, and how to keep an eye on them from your iPhone. Each guide links the official pages it was checked against.
Claude Code
Claude Code usage limits: the 5-hour session and the weekly reset
How the rolling five-hour session and the weekly limit work, when each resets, model limits, and how to check them.
Read the guideOpenAI Codex
Codex usage limits: the 5-hour and weekly windows, resets and credits
How Codex usage is metered on ChatGPT plans, banked and paid resets, credits, and where to see what is left.
Read the guideHow-to
How to check Claude Code and Codex usage on your iPhone
Install Usages, connect a service, read each limit, add a Lock Screen widget and set alerts.
Read the guideIn Chinese
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