# DUCKTEM vs ScentSignal

The clearest difference is in-app purchases: DUCKTEM at none against ScentSignal's 2. DUCKTEM also leads on update cadence (every 3 days vs fortnightly) and device support (3 vs 1). ScentSignal's advantage is ratings volume (28 vs 3). 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. DUCKTEM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DUCKTEM against 4.9 for ScentSignal. 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.

DUCKTEM ships an update every 3 days, ScentSignal fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DUCKTEM | ScentSignal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ducktem/id6757898329/reviews)** | [4.9 (28 ratings)](https://appshunter.io/ios/app/scentsignal/id6789381559/reviews) |
| Number of ratings | 3 | **28** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 35 MB | 56 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Ducktem LLC](https://appshunter.io/developer/1869512481) | [Forest Lane Labs](https://appshunter.io/developer/6789381771) |

## What reviewers say

### DUCKTEM

[App page](https://appshunter.io/ios/app/ducktem/id6757898329)

A campus-exclusive marketplace app for university students to discover and exchange items, housing, and resources. Connect with peers in a secure, localized environment for offline transactions and community building.

**Highlights:** Campus-only community access, Item listings and exchanges, Student-to-student messaging, Housing and sublease posts, Offline transaction facilitation, In-app safety guidelines

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

**In-app purchases:** none


### ScentSignal

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

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 |


## Frequently asked questions

### Is DUCKTEM free?

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

### Is ScentSignal free?

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

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

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

### Do DUCKTEM or ScentSignal have ads?

Neither DUCKTEM nor ScentSignal shows ads.

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

DUCKTEM ships an update every 3 days, and ScentSignal fortnightly. Most recently, DUCKTEM was updated on November 5, 2026 and ScentSignal on October 31, 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.*