Project Solar vs UK Postbox
Project Solar (projectsolaruk.com) and UK Postbox (ukpostbox.com) are stores in related niches (Renewable & Alternative Energy and Mail & Package Delivery) in the AdLibrarySpy index. UK Postbox gets more monthly visits than Project Solar: about 126K vs 98K.
The facts we hold on both, side by side. Checked November 12, 2026.
In short
- UK Postbox gets more monthly visits than Project Solar: about 126K vs 98K.
- UK Postbox has the higher Trustpilot score: 4.6 vs 4.5.
- UK Postbox's store is older: created Dec 2016, Project Solar's in Apr 2018.
| Fact |  Project Solar |  UK Postbox |
|---|---|---|
| Monthly visits (SimilarWeb) | 98K (Oct 2026) | 126K (Oct 2026) |
| Trustpilot | 4.5 / 5 (6,528 reviews) | 4.6 / 5 (790 reviews) |
| Store created | Apr 2018 | Dec 2016 |
| Based in | United Kingdom | United Kingdom |
| Niche | Renewable & Alternative Energy | Mail & Package Delivery |
Questions shoppers ask
- What is the difference between Project Solar and UK Postbox?
- UK Postbox gets more monthly visits than Project Solar: about 126K vs 98K. UK Postbox has the higher Trustpilot score: 4.6 vs 4.5. UK Postbox's store is older: created Dec 2016, Project Solar's in Apr 2018.
- Do Project Solar and UK Postbox sell the same things?
- Both are listed in related niches: Project Solar in Renewable & Alternative Energy, UK Postbox in Mail & Package Delivery.
Facts from the Meta Ad Library, SimilarWeb, Trustpilot and each store; a fact only one of them has is left out. Is Project Solar legit? · Is UK Postbox legit?