Cosmic Grading Service vs MegaChess
Cosmic Grading Service (cosmicgrading.com) and MegaChess (megachess.com) are stores in related niches (Collectible Card Games and Chess & Abstract Strategy Games) in the AdLibrarySpy index. MegaChess gets more monthly visits than Cosmic Grading Service: about 9K vs 118.
The facts we hold on both, side by side. Checked November 3, 2026.
In short
- MegaChess gets more monthly visits than Cosmic Grading Service: about 9K vs 118.
- MegaChess's store is older: created Apr 2018, Cosmic Grading Service's in May 2021.
| Fact |  Cosmic Grading Service |  MegaChess |
|---|---|---|
| Monthly visits (SimilarWeb) | 118 (Aug 2026) | 9K (Sep 2026) |
| Store created | May 2021 | Apr 2018 |
| Based in | Ireland | United States |
| Niche | Collectible Card Games | Chess & Abstract Strategy Games |
| Payment options detected | Apple Pay, Google Pay, Klarna, PayPal Express Checkout, Shop Pay | Apple Pay, Google Pay, PayPal Express Checkout, Shop Pay |
Questions shoppers ask
- What is the difference between Cosmic Grading Service and MegaChess?
- MegaChess gets more monthly visits than Cosmic Grading Service: about 9K vs 118. MegaChess's store is older: created Apr 2018, Cosmic Grading Service's in May 2021.
- Do Cosmic Grading Service and MegaChess sell the same things?
- Both are listed in related niches: Cosmic Grading Service in Collectible Card Games, MegaChess in Chess & Abstract Strategy Games.
Facts from the Meta Ad Library, SimilarWeb, Trustpilot and each store; a fact only one of them has is left out. Is Cosmic Grading Service legit? · Is MegaChess legit?