Fragrance comparison

CK Free Blue vs Quasar Rush

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

Updated 7 Nov 2026 366 ratings analysed

CK Free Blue

Calvin Klein

3.29169 votes

Rank #42,320 AquaticGreen

Full profile Similar & dupes

65%scent match

Closely related

4 wins

Quasar Rush

O Boticário

3.37197 votes

Rank #42,897 AromaticAquatic

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Quasar Rush takes 4 of 7 categories.

CK Free Blue
Choose it for a aquatic and green character. Wins on value for money and fragranxe ranking. Best in summer, daytime wear.
Quasar Rush
Choose it for a aromatic and aquatic character. Wins on ratings & consensus, community sentiment and longevity. Best in summer, daytime wear.

CK Free Blue2/7

Quasar Rush4/7

Ratings & consensus: Quasar Rush
Community sentiment: Quasar Rush
Longevity: Quasar Rush
Sillage & projection: Tie
Value for money: CK Free Blue
Versatility: Quasar Rush
Note pyramid (duration): Not scored
Fragranxe ranking: CK Free Blue

Head-to-head breakdown

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

Fragrance

CK Free BlueCalvin Klein

Quasar RushO Boticário

Winner

Ratings & consensus

Average rating and ownership split

3.29/ 5 · 169 votes

Have 51%Had 31%Want 18%

3.37/ 5 · 197 votes

Have 58%Had 28%Want 14%

Category winnerQuasar RushRating weighted by vote count

Community sentiment

How voters split from love to hate

11%Love

45%Like

7%Ok

35%Dislike

2%Hate

169 votes

11%Love

37%Like

32%Ok

18%Dislike

2%Hate

197 votes

Category winnerQuasar RushMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity39

〰 Sillage38

♥ Love / hate57

⏱ Longevity52

〰 Sillage38

♥ Love / hate59

Category winners

LongevityQuasar Rush

SillageTie

Value for money

How fairly priced voters find it

¤ Price value61

¤ Price value58

Category winnerCK Free BlueBest value score

Main accords

Strength of each scent family · outlined = shared by both

aquatic100%

green88%

fresh77%

aromatic65%

lavender53%

fresh spicy42%

aromatic100%

aquatic92%

fresh spicy84%

citrus77%

green69%

fresh61%

Scent match65%Closely related · both aquatic, aromatic and green

Note pyramid (duration)

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

Top15 to 30 minutes

LavenderMintMandarin Orange

Heart30 to 60 minutes

Water NotesGreen NotesCardamomNutmeg

Base1 to 2 hours

MuskAmberLeather

Top

Sicilian LemonMintPineappleRosemaryMandarin OrangeBasilCardamomNutmeg

Heart

Water NotesLavenderViolet LeafCedarCashmeranAmberMossCoriander

Base

MuskBalsamic NotesTonka Bean

InformationalShared notesLavender, Mint, Mandarin Orange and Water Notes. Durations are only published for CK Free Blue, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring42

Summer100

Fall9

Winter5

Day100

Night11

Spring76

Summer100

Fall24

Winter7

Day100

Night20

Category winnerQuasar RushMost year-round

Who wears it

Gender appeal votes

Men75

Unisex25

Women0

Men85

Unisex14

Women1

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#42,320

PerfumerNot listed

Launched—

Reviews0

Overall rank#42,897

PerfumerCarlos Benaïm

Launched—

Reviews0

Category winnerCK Free BlueHigher overall rank

In a nutshell

Description & review snapshot

CK Free Blue by Calvin Klein is an aromatic spicy eau de toilette built around brisk aquatic and fresh green accords. Released as a refreshing flanker to the original line, it opens with crisp spearmint, bright mandarin orange, and soft lavender before settling into an airy core of water notes, leafy green notes, card…

Reviews →

Quasar Rush by O Boticário is a bright, refreshing aromatic fougere built for warm, active days. It opens with an immediate burst of crisp mint, tart Sicilian lemon, and juicy pineapple that feels like stepping out of a cold morning shower. As the citrus sparkle settles, fresh aquatic notes, clean lavender, and herbac…

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, CK Free Blue or Quasar Rush?

Quasar Rush takes 4 of 7 categories. CK Free Blue is rated 3.29/5 from 169 votes; Quasar Rush is rated 3.37/5 from 197 votes. Choose CK Free Blue for a aquatic and green character. Wins on value for money and fragranxe ranking. Best in summer, daytime wear. Choose Quasar Rush for a aromatic and aquatic character. Wins on ratings & consensus, community sentiment and longevity. Best in summer, daytime wear.

Which lasts longer, CK Free Blue or Quasar Rush?

Quasar Rush lasts longest (Quasar Rush 52/100, CK Free Blue 39/100), based on community performance votes.

Which projects more, CK Free Blue or Quasar Rush?

Projection is very close: CK Free Blue 38/100, Quasar Rush 38/100 for sillage.

Do CK Free Blue and Quasar Rush smell similar?

Closely related: a 65% scent match on Fragranxe. Both share aquatic, aromatic and green accords. Common notes include Lavender, Mint, Mandarin Orange and Water Notes.

Is CK Free Blue or Quasar Rush better for summer or winter?

For summer, CK Free Blue is the stronger pick. For winter, Quasar Rush is the stronger pick. CK Free Blue suits daytime wear; Quasar Rush suits daytime wear. Based on community season votes.

What are the notes in CK Free Blue and Quasar Rush?

CK Free Blue has top notes of Lavender, Mint and Mandarin Orange, heart notes of Water Notes, Green Notes, Cardamom and Nutmeg, a base of Musk, Amber and Leather. Quasar Rush has top notes of Sicilian Lemon, Mint, Pineapple and Rosemary, heart notes of Water Notes, Lavender, Violet Leaf and Cedar, a base of Musk, Balsamic Notes and Tonka Bean.