# Layer Accordingly vs Perfume Ratio

The clearest difference is in-app purchases: Layer Accordingly at none against Perfume Ratio's 3. Layer Accordingly also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Perfume Ratio sells 3 one-off in-app purchases. Layer Accordingly asks for nothing beyond the download.

Layer Accordingly ships an update every 3 days, Perfume Ratio every 5 days. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Layer Accordingly | Perfume Ratio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | — |
| Size | 78 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Maven Piniella](https://appshunter.io/developer/1895511023) | [守信 尚](https://appshunter.io/developer/1889197777) |

## What reviewers say

### Layer Accordingly

[App page](https://appshunter.io/ios/app/layer-accordingly/id6763826184)

Catalog your fragrance collection, discover how scents pair, and get personalized recommendations. Explore a vast database of perfumes to find your next signature combination.

**Highlights:** Catalogue fragrance collection with accord profiles, Analyze scent DNA and fragrance compatibility, Discover new fragrances based on preferences, Receive personalized daily scent recommendations, Save favorite fragrance combinations, Add custom fragrances and photos

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

**In-app purchases:** none


### Perfume Ratio

[App page](https://appshunter.io/ios/app/perfume-ratio/id6771569582)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is Layer Accordingly free?

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

### Is Perfume Ratio free?

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

### Do Layer Accordingly or Perfume Ratio have ads?

Neither Layer Accordingly nor Perfume Ratio shows ads.

### Which is updated more often, Layer Accordingly or Perfume Ratio?

Layer Accordingly ships an update every 3 days, and Perfume Ratio every 5 days. Most recently, Layer Accordingly was updated on October 17, 2026 and Perfume Ratio on September 29, 2026.

---

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