Fragrance comparison

Abyssal Odyssey vs Alchnost

Notes, accords, longevity, sillage, seasons and community ratings, side by side.

Updated 14 Oct 2026 33 ratings analysed

Abyssal Odyssey

House of Noya

4.1916 votes

Rank #43,105 AromaticAmber

Full profile Similar & dupes

54%scent match

Some overlap

4 wins

Alchnost

Shprss

4.7117 votes

Rank #33,663 MarineAromatic

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Alchnost takes 4 of 5 categories.

Abyssal Odyssey
Choose it for a aromatic and amber character. Wins on value for money. Best in spring, daytime wear.
Alchnost
Choose it for a marine and aromatic character. Wins on ratings & consensus, longevity and sillage & projection. Best in summer, daytime wear.

Abyssal Odyssey1/5

Alchnost4/5

Ratings & consensus: Alchnost
Community sentiment: Not scored
Longevity: Alchnost
Sillage & projection: Alchnost
Value for money: Abyssal Odyssey
Versatility: Not scored
Note pyramid (duration): Not scored
Fragranxe ranking: Alchnost

Head-to-head breakdown

Every category side by side, with the winner called out.

Fragrance

Abyssal OdysseyHouse of Noya

AlchnostShprss

Winner

Ratings & consensus

Average rating and ownership split

4.19/ 5 · 16 votes

Have 15%Had 5%Want 79%

4.71/ 5 · 17 votes

Have 45%Had 11%Want 45%

Category winnerAlchnostRating weighted by vote count

Community sentiment

How voters split from love to hate

31%Love

56%Like

13%Ok

0%Dislike

0%Hate

16 votes · too few to score

88%Love

6%Like

0%Ok

0%Dislike

6%Hate

17 votes · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity56

〰 Sillage58

♥ Love / hate80

⏱ Longevity84

〰 Sillage77

♥ Love / hate93

Category winners

LongevityAlchnost

SillageAlchnost

Value for money

How fairly priced voters find it

¤ Price value43

¤ Price value42

Category winnerAbyssal OdysseyBest value score

Main accords

Strength of each scent family · outlined = shared by both

aromatic100%

amber88%

marine77%

soft spicy65%

white floral53%

salty42%

marine100%

aromatic92%

leather84%

amber77%

animalic69%

woody61%

Scent match54%Some overlap · both aromatic, marine and amber

Note pyramid (duration)

Top, heart and base, with how long each lasts when known · gold = shared

Top15-30 mins

Clary Sage

Heart2-3 hrs

Sea NotesEgyptian Jasmine

Base5-7+ hrs

AmberAmbergris

Top

Sea NotesClary Sage

Heart

LeatherWoody Notes

Base

AmberCypriol Oil or Nagarmotha

InformationalShared notesClary Sage, Sea Notes and Amber. Durations are only published for Abyssal Odyssey, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring100

Summer89

Fall56

Winter22

Day100

Night44

Spring78

Summer100

Fall67

Winter56

Day100

Night63

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men58

Unisex42

Women0

Casual 37%Work 34%Date 20%Party 10%

Men50

Unisex50

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#43,105

PerfumerMiroslav Petkov

Launched—

Reviews0

Overall rank#33,663

PerfumerMG Gulcicek

Launched—

Reviews0

Category winnerAlchnostHigher overall rank

In a nutshell

Description & review snapshot

Abyssal Odyssey by House of Noya delivers a bracing plunge into oceanic depths. The opening hits fast. French clary sage leads the charge, throwing off an herbal, aromatic dryness that cuts straight through morning air without any sugary fluff. Salty sea notes soon emerge alongside smooth Egyptian jasmine petals. This…

Reviews →

Alchnost by Shprss enters the room with a sharp blast of sea notes and herbal clary sage, mimicking a cold ocean wind hitting a warm, crowded balcony. As the initial saltiness settles, a heavy heart of leather and dry woody notes anchors the composition on your skin. This is not a casual beach scent. The transition fr…

Reviews →

InformationalRead bothTaste is personal

How we score: ratings blend public fragrance ratings with Fragranxe member votes; longevity, sillage, value and sentiment are community vote scores, and season bars are relative to each fragrance's strongest season. Categories with too little data are shown but not scored. The scent match weighs accord overlap (60%) and shared notes (40%). More in the FAQ.

Common questions

Straight answers from the data above.

Which is better, Abyssal Odyssey or Alchnost?

Alchnost takes 4 of 5 categories. Abyssal Odyssey is rated 4.19/5 from 16 votes; Alchnost is rated 4.71/5 from 17 votes. Choose Abyssal Odyssey for a aromatic and amber character. Wins on value for money. Best in spring, daytime wear. Choose Alchnost for a marine and aromatic character. Wins on ratings & consensus, longevity and sillage & projection. Best in summer, daytime wear.

Which lasts longer, Abyssal Odyssey or Alchnost?

Alchnost lasts longest (Alchnost 84/100, Abyssal Odyssey 56/100), based on community performance votes.

Which projects more, Abyssal Odyssey or Alchnost?

Alchnost projects furthest (Alchnost 77/100, Abyssal Odyssey 58/100), based on community performance votes.

Do Abyssal Odyssey and Alchnost smell similar?

Some overlap: a 54% scent match on Fragranxe. Both share aromatic, marine and amber accords. Common notes include Clary Sage, Sea Notes and Amber.

Is Abyssal Odyssey or Alchnost better for summer or winter?

Abyssal Odyssey suits daytime wear; Alchnost suits daytime wear. Based on community season votes.

What are the notes in Abyssal Odyssey and Alchnost?

Abyssal Odyssey has top notes of Clary Sage, heart notes of Sea Notes and Egyptian Jasmine, a base of Amber and Ambergris. Alchnost has top notes of Sea Notes and Clary Sage, heart notes of Leather and Woody Notes, a base of Amber and Cypriol Oil or Nagarmotha.