Fragrance comparison

I.Utopia vs OT - 23

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

Updated 15 Nov 2026 26 ratings analysed

4 wins

I.Utopia

IO.KO 1954

4.2512 votes

Rank #35,917 WoodyRose

Full profile Similar & dupes

8%scent match

Clearly different

OT - 23

Olfattology

3.9314 votes

Rank #45,636 AromaticMarine

Full profile Similar & dupes

Quick verdict

Which one should you pick?

I.Utopia takes 4 of 5 categories.

I.Utopia
Choose it for a woody and rose character. Wins on ratings & consensus, sillage & projection and value for money. Best in fall, evening wear.
OT - 23
Choose it for a aromatic and marine character. Wins on longevity. Best in fall, evening wear.

I.Utopia4/5

OT - 231/5

Ratings & consensus: I.Utopia
Community sentiment: Not scored
Longevity: OT - 23
Sillage & projection: I.Utopia
Value for money: I.Utopia
Versatility: Not scored
Note pyramid (duration): Not scored
Fragranxe ranking: I.Utopia

Head-to-head breakdown

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

Fragrance

I.UtopiaIO.KO 1954

OT - 23Olfattology

Winner

Ratings & consensus

Average rating and ownership split

4.25/ 5 · 12 votes

Have 29%Had 24%Want 46%

3.93/ 5 · 14 votes

Have 22%Had 4%Want 74%

Category winnerI.UtopiaRating weighted by vote count

Community sentiment

How voters split from love to hate

42%Love

50%Like

0%Ok

8%Dislike

0%Hate

12 votes · too few to score

50%Love

14%Like

14%Ok

21%Dislike

0%Hate

14 votes · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity75

〰 Sillage80

♥ Love / hate81

⏱ Longevity83

〰 Sillage78

♥ Love / hate73

Category winners

LongevityOT - 23

SillageI.Utopia

Value for money

How fairly priced voters find it

¤ Price value100

¤ Price value50

Category winnerI.UtopiaBest value score

Main accords

Strength of each scent family

woody100%

rose90%

patchouli80%

warm spicy70%

leather60%

oud50%

aromatic100%

marine92%

amber84%

smoky77%

citrus69%

soft spicy61%

Scent match8%Clearly different

Note pyramid (duration)

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

Top

Damask RoseAgarwood (Oud)SaffronSpicy Notes

Heart

PatchouliCashmere WoodLeatherJasmineVanilla

Base

Guaiac WoodPrecious WoodsSandalwoodAmberWhite Musk

Top

BergamotLemonSaffronCassiaMandarin Orange

Heart

Sea NotesIncensePink PepperLavenderLily-of-the-ValleyCardamomJuniper BerriesMyrrh

Base

VanillaCypriol Oil or NagarmothaPrecious WoodsMuskAgarwood (Oud)PatchouliRock roseSandalwood

InformationalShared notesAgarwood (Oud), Saffron, Patchouli and Vanilla. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring67

Summer17

Fall100

Winter100

Day57

Night100

Spring67

Summer33

Fall100

Winter100

Day75

Night100

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men0

Unisex100

Women0

Men0

Unisex100

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#35,917

PerfumerEnzo Galardi

Launched—

Reviews3

Overall rank#45,636

PerfumerNot listed

Launched—

Reviews1

Category winnerI.UtopiaHigher overall rank

In a nutshell

Description & review snapshot

I.Utopia by IO.KO 1954 is a woody and rose-focused fragrance that centers on a blend of agarwood and Damask rose. It leans toward a clean, refined profile that sits well for both men and women. This is a scent for those who enjoy structured, oriental woody compositions without the typical barnyard funk found in many o…

Reviews →

OT - 23 by Olfattology hits the skin with a sharp, medicinal burst of saffron and bitter orange before settling into an unexpected oceanic floral haze. This unisex composition plays a strange game of tug-of-war between cold sea notes and warm, smoky resins like myrrh and gurjan balsam. Unlike typical marine scents tha…

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.

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Common questions

Straight answers from the data above.

Which is better, I.Utopia or OT - 23?

I.Utopia takes 4 of 5 categories. I.Utopia is rated 4.25/5 from 12 votes; OT - 23 is rated 3.93/5 from 14 votes. Choose I.Utopia for a woody and rose character. Wins on ratings & consensus, sillage & projection and value for money. Best in fall, evening wear. Choose OT - 23 for a aromatic and marine character. Wins on longevity. Best in fall, evening wear.

Which lasts longer, I.Utopia or OT - 23?

OT - 23 lasts longest (OT - 23 83/100, I.Utopia 75/100), based on community performance votes.

Which projects more, I.Utopia or OT - 23?

Projection is very close: I.Utopia 80/100, OT - 23 78/100 for sillage.

Do I.Utopia and OT - 23 smell similar?

Clearly different: a 8% scent match on Fragranxe. They share few main accords. Common notes include Agarwood (Oud), Saffron, Patchouli and Vanilla.

Is I.Utopia or OT - 23 better for summer or winter?

I.Utopia suits evening wear; OT - 23 suits evening wear. Based on community season votes.

What are the notes in I.Utopia and OT - 23?

I.Utopia has top notes of Damask Rose, Agarwood (Oud), Saffron and Spicy Notes, heart notes of Patchouli, Cashmere Wood, Leather and Jasmine, a base of Guaiac Wood, Precious Woods, Sandalwood and Amber. OT - 23 has top notes of Bergamot, Lemon, Saffron and Cassia, heart notes of Sea Notes, Incense, Pink Pepper and Lavender, a base of Vanilla, Cypriol Oil or Nagarmotha, Precious Woods and Musk.