Comparing the two fragrances…

Le Labo

Maison Viegas
Ambrette 9
Ambrette
Only in Ambrette 9
Shared character
Both Ambrette 9 and Ambrette feature musk, amber, and fruity notes, resulting in shared accords of floral, fruity, sweet, powdery, and musky profiles.
How they differ
Ambrette 9 includes apple, pear, ambrette seed, aldehydes, amalfi lemon, and ambrette (musk mallow), which contribute citrus, aldehydic, fresh, synthetic, and creamy accords. Ambrette contains jasmine and ambrette, which contribute amber, animalic, and white floral accords.
Who each suits
Ambrette 9 suits those who prefer fresh, creamy, and citrusy profiles. Ambrette suits those who prefer white floral and animalic profiles.