Fragrance comparison

Ecko by Marc Ecko vs The Library Collection Opus IV

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

Updated 16 Oct 2026 1,074 ratings analysed

Ecko by Marc Ecko

Marc Ecko

3.71159 votes

Rank #9,382 CitrusFresh Spicy

Full profile Similar & dupes

29%scent match

Clearly different

6 wins

The Library Collection Opus IV

Amouage

4.04915 votes

Rank #1,565 AromaticAmber

Full profile Similar & dupes

Quick verdict

Which one should you pick?

The Library Collection Opus IV takes 6 of 7 categories.

Ecko by Marc Ecko
Choose it for a citrus and fresh spicy character. Wins on value for money. Best in spring, daytime wear.
The Library Collection Opus IV
Choose it for a aromatic and amber character. Wins on ratings & consensus, community sentiment and longevity. Best in winter.

Ecko by Marc Ecko1/7

The Library Collection Opus IV6/7

Ratings & consensus: The Library Collection Opus IV
Community sentiment: The Library Collection Opus IV
Longevity: The Library Collection Opus IV
Sillage & projection: The Library Collection Opus IV
Value for money: Ecko by Marc Ecko
Versatility: The Library Collection Opus IV
Note pyramid (duration): Not scored
Fragranxe ranking: The Library Collection Opus IV

Head-to-head breakdown

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

Fragrance

Ecko by Marc EckoMarc Ecko

The Library Collection Opus IVAmouage

Winner

Ratings & consensus

Average rating and ownership split

3.71/ 5 · 159 votes

Have 69%Had 31%Want 0%

4.04/ 5 · 915 votes

Have 69%Had 31%Want 0%

Category winnerThe Library Collection Opus IVRating weighted by vote count

Community sentiment

How voters split from love to hate

18%Love

55%Like

8%Ok

19%Dislike

0%Hate

159 votes

40%Love

41%Like

4%Ok

14%Dislike

1%Hate

915 votes

Category winnerThe Library Collection Opus IVMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity57

〰 Sillage55

♥ Love / hate68

⏱ Longevity80

〰 Sillage72

♥ Love / hate76

Category winners

LongevityThe Library Collection Opus IV

SillageThe Library Collection Opus IV

Value for money

How fairly priced voters find it

¤ Price value82

¤ Price value45

Category winnerEcko by Marc EckoBest value score

Main accords

Strength of each scent family · outlined = shared by both

citrus100%

fresh spicy92%

musky84%

fresh77%

soft spicy69%

powdery61%

aromatic100%

amber90%

warm spicy80%

citrus70%

fresh spicy60%

balsamic50%

Scent match29%Clearly different · both citrus and fresh spicy

Note pyramid (duration)

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

Top15-30 mins

GingerGrapefruitCitruses

Heart2-3 hrs

LicoriceViolet LeafArtemisia

Base4-6 hrs

MuskIncenseTonka Bean

Top

CorianderMandarin OrangeGrapefruitLemon

Heart

CarawayCardamonelemiRose HipRoseViolet Leaf

Base

IncenseLabdanumMusk

InformationalShared notesGrapefruit, Violet Leaf, Musk and Incense. Durations are only published for Ecko by Marc Ecko, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring100

Summer0

Fall0

Winter16

Day100

Night32

Spring69

Summer0

Fall0

Winter100

Day–

Night–

Category winnerThe Library Collection Opus IVMost year-round

Who wears it

Gender appeal votes

Men91

Unisex9

Women0

Casual 43%Work 35%Date 13%Party 10%

Men41

Unisex51

Women8

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#9,382

PerfumerLois Evans, Vincent Kuczinski

Launched—

Reviews33

Overall rank#1,565

PerfumerJacques Flori

Launched—

Reviews83

Category winnerThe Library Collection Opus IVHigher overall rank

In a nutshell

Description & review snapshot

Marc Ecko by Marc Ecko opens with an energetic jolt of cold pressed grapefruit, tart citrus pulp, and grated ginger. The initial spray delivers a brisk alcohol flash before settling quickly into a crisp, invigorating morning lather. Within twenty minutes, sweet black licorice and grassy violet leaf surface to balance …

Reviews →

Amouage Opus IV is a complex, resinous fragrance that leans into aromatic spice and incense. Launched in 2010, it offers a distinct, mature character perfect for cooler weather. With notes of coriander, caraway, and labdanum, it sits prominently on the skin, projecting a serious and sophisticated air that suits formal…

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, Ecko by Marc Ecko or The Library Collection Opus IV?

The Library Collection Opus IV takes 6 of 7 categories. Ecko by Marc Ecko is rated 3.71/5 from 159 votes; The Library Collection Opus IV is rated 4.04/5 from 915 votes. Choose Ecko by Marc Ecko for a citrus and fresh spicy character. Wins on value for money. Best in spring, daytime wear. Choose The Library Collection Opus IV for a aromatic and amber character. Wins on ratings & consensus, community sentiment and longevity. Best in winter.

Which lasts longer, Ecko by Marc Ecko or The Library Collection Opus IV?

The Library Collection Opus IV lasts longest (The Library Collection Opus IV 80/100, Ecko by Marc Ecko 57/100), based on community performance votes.

Which projects more, Ecko by Marc Ecko or The Library Collection Opus IV?

The Library Collection Opus IV projects furthest (The Library Collection Opus IV 72/100, Ecko by Marc Ecko 55/100), based on community performance votes.

Do Ecko by Marc Ecko and The Library Collection Opus IV smell similar?

Clearly different: a 29% scent match on Fragranxe. Both share citrus and fresh spicy accords. Common notes include Grapefruit, Violet Leaf, Musk and Incense.

Is Ecko by Marc Ecko or The Library Collection Opus IV better for summer or winter?

For summer, Ecko by Marc Ecko is the stronger pick. For winter, The Library Collection Opus IV is the stronger pick. Ecko by Marc Ecko suits daytime wear. Based on community season votes.

What are the notes in Ecko by Marc Ecko and The Library Collection Opus IV?

Ecko by Marc Ecko has top notes of Ginger, Grapefruit and Citruses, heart notes of Licorice, Violet Leaf and Artemisia, a base of Musk, Incense and Tonka Bean. The Library Collection Opus IV has top notes of Coriander, Mandarin Orange, Grapefruit and Lemon, heart notes of Caraway, Cardamon, elemi and Rose Hip, a base of Incense, Labdanum and Musk.