Fragrance comparison

Decimo vs Insidious

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

Updated 30 Oct 2026 339 ratings analysed

Decimo

Gritti

4.00259 votes

Rank #9,595 CitrusWoody

Full profile Similar & dupes

59%scent match

Closely related

6 wins

Insidious

Insider Parfums

4.2680 votes

Rank #5,066 FruityWoody

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Insidious takes 6 of 7 categories.

Decimo
Choose it for a citrus and woody character. Wins on longevity. Best in spring, daytime wear.
Insidious
Choose it for a fruity and woody character. Wins on ratings & consensus, community sentiment and sillage & projection. Best in spring.

Decimo1/7

Insidious6/7

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

Head-to-head breakdown

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

Fragrance

DecimoGritti

InsidiousInsider Parfums

Winner

Ratings & consensus

Average rating and ownership split

4.00/ 5 · 259 votes

Have 37%Had 13%Want 50%

4.26/ 5 · 80 votes

Have 44%Had 13%Want 42%

Category winnerInsidiousRating weighted by vote count

Community sentiment

How voters split from love to hate

39%Love

35%Like

14%Ok

11%Dislike

1%Hate

259 votes

66%Love

15%Like

5%Ok

6%Dislike

8%Hate

80 votes

Category winnerInsidiousMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity73

〰 Sillage59

♥ Love / hate75

⏱ Longevity69

〰 Sillage60

♥ Love / hate82

Category winners

LongevityDecimo

SillageInsidious

Value for money

How fairly priced voters find it

¤ Price value47

¤ Price value57

Category winnerInsidiousBest value score

Main accords

Strength of each scent family · outlined = shared by both

citrus100%

woody92%

leather84%

smoky77%

patchouli69%

fresh spicy61%

fruity100%

woody92%

citrus84%

sweet77%

leather69%

earthy61%

Scent match59%Closely related · both citrus, woody and leather

Note pyramid (duration)

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

Top30 to 60 minutes

BergamotBlack CurrantNeroli

Heart2 to 4 hours

BirchPatchouliRose

Base4 to 6 hours

AmbergrisMuskVanilla

Top

PineappleBergamotAppleBlack Currant

Heart

BirchPatchouliRoseMoroccan Jasmine

Base

oak mossAmbergrisMuskVanilla

InformationalShared notesBergamot, Black Currant, Birch and Patchouli. Durations are only published for Decimo, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring100

Summer92

Fall98

Winter57

Day100

Night74

Spring100

Summer93

Fall96

Winter71

Day–

Night–

Category winnerInsidiousMost year-round

Who wears it

Gender appeal votes

Men78

Unisex19

Women3

Men85

Unisex15

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#9,595

PerfumerNot listed

Launched—

Reviews12

Overall rank#5,066

PerfumerNot listed

Launched—

Reviews43

Category winnerInsidiousHigher overall rank

In a nutshell

Description & review snapshot

Decimo by Gritti is a crisp, woody fragrance designed around sharp fruit and dry timber. It opens with an energetic burst of tart bergamot and tangy black currant, backed by a mild touch of neroli. As the opening brightens, the core reveals smoky birch wood alongside earthy patchouli and a restrained hint of rose. The…

Reviews →

Insidious by Insider Parfums brings a sharp, fruit-forward aromatic profile to the modern men's cologne space. It leans heavily on a bright pineapple opening backed by birch and oak moss, designed to offer a mature take on the classic adventurous DNA. It performs best in moderate temperatures, making it a reliable cho…

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, Decimo or Insidious?

Insidious takes 6 of 7 categories. Decimo is rated 4.00/5 from 259 votes; Insidious is rated 4.26/5 from 80 votes. Choose Decimo for a citrus and woody character. Wins on longevity. Best in spring, daytime wear. Choose Insidious for a fruity and woody character. Wins on ratings & consensus, community sentiment and sillage & projection. Best in spring.

Which lasts longer, Decimo or Insidious?

Decimo lasts longest (Decimo 73/100, Insidious 69/100), based on community performance votes.

Which projects more, Decimo or Insidious?

Projection is very close: Insidious 60/100, Decimo 59/100 for sillage.

Do Decimo and Insidious smell similar?

Closely related: a 59% scent match on Fragranxe. Both share citrus, woody and leather accords. Common notes include Bergamot, Black Currant, Birch and Patchouli.

Is Decimo or Insidious better for summer or winter?

For summer, Insidious is the stronger pick. For winter, Insidious is the stronger pick. Decimo suits daytime wear. Based on community season votes.

What are the notes in Decimo and Insidious?

Decimo has top notes of Bergamot, Black Currant and Neroli, heart notes of Birch, Patchouli and Rose, a base of Ambergris, Musk and Vanilla. Insidious has top notes of Pineapple, Bergamot, Apple and Black Currant, heart notes of Birch, Patchouli, Rose and Moroccan Jasmine, a base of oak moss, Ambergris, Musk and Vanilla.