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Understanding the iscore

The iscore is our proprietary multi-dimensional rating system. Unlike simple star ratings, it evaluates fragrances across multiple performance and versatility metrics to give you a single, actionable quality score.

Community Rating

Primary

The backbone of the iscore. We aggregate thousands of user ratings and apply Bayesian filtering to ensure scores reflect genuine consensus, not hype or a handful of extreme opinions.

Browse Top-Rated Fragrances →

Performance Index

Major

We evaluate how a fragrance actually behaves—not just how it smells. This metric combines Longevity (how long it lasts) and Sillage (how far it projects) into a single performance score.

Learn About Longevity & Sillage →

Versatility

Factor

Measures how many different environments a fragrance can adapt to. We analyze vote distribution across 6 occasions (Office, Night, Date, etc.) to identify "Signature Scents" that work anywhere versus "Specialists" designed for specific moments.

Find Your Versatile Match →

Season Adaptability

Factor

Evaluates cross-seasonal wearability. Our algorithm rewards year-round versatility but also applies a Specialist Bonus to fragrances that excel in specific seasons—ensuring "Winter Beasts" and "Summer Freshies" aren't unfairly penalized.

Explore All-Season Scents →

Data Confidence

Modifier

Not all data is equal. We apply Bayesian weighting across all score components based on vote volume. Newer fragrances with limited data are marked as "Provisional" and their scores are pulled toward neutral values until more community validation is received.

This ensures the iScore remains honest and reliable—not skewed by early hype or a handful of votes.

Ready to find your signature scent?

Now that you understand how we evaluate fragrances, let our algorithm help you discover perfumes that match your unique style and preferences.