# SMART_AROMA vs Subs

The clearest difference is in-app purchases: SMART_AROMA at none against Subs's 1. SMART_AROMA also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Subs sells 1 one-off in-app purchase. SMART_AROMA asks for nothing beyond the download.

SMART_AROMA ships an update every 8 days, Subs fortnightly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SMART_AROMA | Subs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/smart-aroma/id1627724129/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free | — |
| Size | 32 MB | 45 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [萍萍 刘](https://appshunter.io/developer/1626043006) | [PABLO TURRION SAN PEDRO](https://appshunter.io/developer/1853443733) |

## What reviewers say

### SMART_AROMA

[App page](https://appshunter.io/ios/app/smart-aroma/id1627724129)

Manage your smart fragrance device remotely using your smartphone. Adjust fan speed, set fragrance intensity, and customize device settings without needing an internet connection.

**Highlights:** Device search and add, Rename and remark devices, Adjust fan wind/power, Set fragrance density, Password protection

**Features:** macOS Compatibility

**In-app purchases:** none


### Subs

[App page](https://appshunter.io/ios/app/subs/id6760143277)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subs Premium | $0.99 | one-time |


## Frequently asked questions

### Is SMART_AROMA free?

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

### Is Subs free?

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

### Do SMART_AROMA or Subs have ads?

Subs shows ads; SMART_AROMA does not.

### Which is updated more often, SMART_AROMA or Subs?

SMART_AROMA ships an update every 8 days, and Subs fortnightly. Most recently, SMART_AROMA was updated on October 17, 2026 and Subs on October 13, 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.*