COS vs Zappos.com
The facts we hold on both, side by side. Checked October 24, 2026.
In short
- Zappos.com gets more monthly visits than COS: about 26M vs 16M.
- COS runs more live Meta ads than Zappos.com: 205 vs 117.
- Zappos.com advertised on more days in the past 12 months: 23 vs 20.
- Zappos.com's store is older: created Dec 2016, COS's in Nov 2020.
| Fact |  COS |  Zappos.com |
|---|---|---|
| Monthly visits (SimilarWeb) | 16M (Sep 2026) | 26M (Sep 2026) |
| Live Meta ads | 205 | 117 |
| Store created | Nov 2020 | Dec 2016 |
| Niche | Apparel | Footwear |
Questions shoppers ask
- What is the difference between COS and Zappos.com?
- Zappos.com gets more monthly visits than COS: about 26M vs 16M. COS runs more live Meta ads than Zappos.com: 205 vs 117. Zappos.com advertised on more days in the past 12 months: 23 vs 20. Zappos.com's store is older: created Dec 2016, COS's in Nov 2020.
- Do COS and Zappos.com sell the same things?
- Both are listed in related niches: COS in Apparel, Zappos.com in Footwear.
Facts from the Meta Ad Library, SimilarWeb, Trustpilot and each store; a fact only one of them has is left out. Is COS legit? · Is Zappos.com legit?