The box: Never shown. Checked: n/a. Unchecked: 365 days. Passkey sign-in skipped the page with the box. Signed in for a year without being asked.
Measured October 16, 2026 in a Chromium-based browser, by signing in to Amazon and reading the sign-in cookie's expiry. This is what the browser was told; Amazon's servers can still end a session sooner.
We retest every month. If Amazon changes how long it remembers you, a new row shows up here.
| Date | The box | Checked | Unchecked | Finding | Browser |
|---|---|---|---|---|---|
| October 16, 2026 | Never shown | n/a | 365 days | Passkey sign-in skipped the page with the box. Signed in for a year without being asked. | Chromium |