Castle Ink vs Goal Zero
Castle Ink (castleink.com) and Goal Zero (goalzero.com) are stores in related niches (Office Supplies and Renewable & Alternative Energy) in the AdLibrarySpy index. Goal Zero gets more monthly visits than Castle Ink: about 223K vs 36K.
The facts we hold on both, side by side. Checked November 2, 2026.
In short
- Goal Zero gets more monthly visits than Castle Ink: about 223K vs 36K.
- Castle Ink's store is older: created Dec 2016, Goal Zero's in Aug 2020.
| Fact |  Castle Ink |  Goal Zero |
|---|---|---|
| Monthly visits (SimilarWeb) | 36K (Sep 2026) | 223K (Sep 2026) |
| Store created | Dec 2016 | Aug 2020 |
| Based in | United States | United States |
| Niche | Office Supplies | Renewable & Alternative Energy |
| Payment options detected | Apple Pay, Google Pay, Shop Pay | Apple Pay, Google Pay, PayPal Express Checkout, Shop Pay |
Questions shoppers ask
- What is the difference between Castle Ink and Goal Zero?
- Goal Zero gets more monthly visits than Castle Ink: about 223K vs 36K. Castle Ink's store is older: created Dec 2016, Goal Zero's in Aug 2020.
- Do Castle Ink and Goal Zero sell the same things?
- Both are listed in related niches: Castle Ink in Office Supplies, Goal Zero in Renewable & Alternative Energy.
Facts from the Meta Ad Library, SimilarWeb, Trustpilot and each store; a fact only one of them has is left out. Is Castle Ink legit? · Is Goal Zero legit?