| Primary purpose | Rank Amazon listings by true price per unit, on demand. | Surface community-voted hot deals across many retailers. |
| Coverage | Amazon US only, 50+ household and consumer-goods categories. | Many US retailers; broad category coverage. |
| Data freshness | Live from Amazon Product Advertising API on every search. | Posted by community members; varies. |
| Ranking method | Deterministic. Lowest computed price per unit, ascending. | Community votes plus editorial curation. |
| Affiliate transparency | Affiliate commission does not enter ranking math. Source code is public. | Affiliate links throughout. Site monetizes via clicks and ads. |
| Account required | No. | No for browsing; yes for posting and alerts. |
| Best for | "What is the cheapest [category] on Amazon right now?" | "What good random deals are happening today?" |
| Cost | Free to use. | Free to use. |