# ScentSignal vs ScentSift

The clearest difference is in-app purchases: ScentSift at none against ScentSignal's 2. ScentSift also leads on update cadence (every 2 days vs fortnightly) and review sentiment (100% vs 90%). ScentSignal's advantage is ratings volume (28 vs 3) and chart position (#189 vs unranked). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. ScentSignal sells 2 in-app purchases, starting at $13.99 per 3 months. ScentSift asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for ScentSignal against 5.0 for ScentSift. That said, the two scores are not equally well evidenced: ScentSignal has 28 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 90% of ScentSignal's written reviews are positive against 100% of ScentSift's.

ScentSignal ships an update fortnightly, ScentSift every 2 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ScentSignal | ScentSift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (28 ratings)](https://appshunter.io/ios/app/scentsignal/id6789381559/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/scentsift/id6804876822/reviews)** |
| Number of ratings | **28** | 3 |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free | Free |
| Best chart rank | **#189** | — |
| Size | 56 MB | 28 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Forest Lane Labs](https://appshunter.io/developer/6789381771) | [Fragrant Ventures LLC](https://appshunter.io/developer/6804876824) |

## What reviewers say

### ScentSignal

[App page](https://appshunter.io/ios/app/scentsignal/id6789381559)

**Currently charting:** #189 Top Grossing · Shopping (US App Store)

This app tracks real-world selling prices for fragrances on the secondary market, including full bottles, partials, and decants. It helps users determine fair prices for buying or selling and allows for price alerts and collection tracking.

**Highlights:** Track secondary market fragrance prices, Estimate market value based on real listings, Set price alerts for desired fragrances, Discover deals below market estimate, Manage and share fragrance collection, Browse by fragrance house and perfumer

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScentSignal+ Quarterly | $13.99 | per 3 months |
| ScentSignal+ Yearly | $34.99 | per year |


### ScentSift

[App page](https://appshunter.io/ios/app/scentsift/id6804876822)

Easily compare prices and availability for fragrances from authorized retailers. Search by name, brand, or size, and sort results by best match or price per milliliter. Save favorites and sync across devices with an optional account.

**Highlights:** Price comparison across retailers, Search by fragrance name, brand, concentration, or size, Normalize size and concentration, Sort by best match, total price, or price per milliliter, Save favorites to wishlist, Sync wishlist across devices

**In-app purchases:** none


## Frequently asked questions

### Is ScentSignal free?

ScentSignal is free to download, with in-app purchases available.

### Is ScentSift free?

ScentSift is free to download, with no in-app purchases.

### Which has better reviews, ScentSignal or ScentSift?

ScentSift is rated higher. ScentSignal averages 4.9 out of 5 from 28 ratings, while ScentSift averages 5.0 from 3 ratings.

### Do ScentSignal or ScentSift have ads?

Neither ScentSignal nor ScentSift shows ads.

### Which is updated more often, ScentSignal or ScentSift?

ScentSignal ships an update fortnightly, and ScentSift every 2 days. Most recently, ScentSignal was updated on October 28, 2026 and ScentSift on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*