Price history & alerts
Time-series pricing per product across retailers, plus email alerts when it drops to your target. Sticky engagement and a reason to return — data the retailers themselves don’t show.
Sony A7 IV — price across retailers
12-month chart (placeholder)
$2,498 today · low $2,298 (Black Friday) · high $2,698
Amazon $2,498 · B&H $2,498 · Adorama $2,499 · KEH (used) $1,899
Set a drop alert
No account required.
Crawler frequency is the biggest variable cost — price refresh cadence is set per source based on observed change rate, not a single global interval.