# Aroma Diary vs AromaOS

The clearest difference is update cadence: Aroma Diary at every 10 days against AromaOS's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Aroma Diary ships an update every 10 days, AromaOS every 2 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Aroma Diary | AromaOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aromaos/id6758146390/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free |
| Size | 62 MB | 39 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [俊 王](https://appshunter.io/developer/836493505) | [文振 苏](https://appshunter.io/developer/1797212850) |

## What reviewers say

### Aroma Diary

[App page](https://appshunter.io/ios/app/aroma-diary/id6740156469)

**Features:** macOS Compatibility

**In-app purchases:** none


### AromaOS

[App page](https://appshunter.io/ios/app/aromaos/id6758146390)

Control your smart aroma diffuser remotely via Bluetooth or over the internet. Set regular working intervals and customize parameters for a personalized scent experience.

**Highlights:** Bluetooth control, Remote control, Scheduled operation, Parameter customization, Smart diffuser management

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

**In-app purchases:** none


## Frequently asked questions

### Is Aroma Diary free?

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

### Is AromaOS free?

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

### Do Aroma Diary or AromaOS have ads?

Neither Aroma Diary nor AromaOS shows ads.

### Which is updated more often, Aroma Diary or AromaOS?

Aroma Diary ships an update every 10 days, and AromaOS every 2 months. Most recently, Aroma Diary was updated on November 8, 2026 and AromaOS on November 5, 2026.

---

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