Comparing the two fragrances…

Blue Scents

Usual Parfums
Bergamot
Bergamore
Only in Bergamot
Shared character
Both Bergamot by Blue Scents and Bergamore by Usual Parfums feature mandarin orange and share citrus, woody, fresh, and musky accords.
How they differ
Bergamot by Blue Scents contains lemon, orange blossom, artemisia, cardamom, litsea cubeba, white musk, and various woods, presenting spicy, sweet, smoky, leathery, animalic, aromatic, soapy, and white floral accords. Bergamore by Usual Parfums contains bergamot, ginger, ambroxan, iso-e-super, black tea, and hedione, presenting floral, green, amber, and fresh spicy accords.
Who each suits
Bergamot by Blue Scents suits those who prefer complex profiles involving smoky, leathery, and soapy elements. Bergamore by Usual Parfums suits those who prefer green, amber, and fresh spicy profiles.