# AromaPlus vs Metar Echo

The clearest difference is in-app purchases: AromaPlus at none against Metar Echo's 2. AromaPlus also leads on iOS requirement (9.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Metar Echo sells 2 in-app purchases, starting at $4.99 per month. AromaPlus asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AromaPlus | Metar Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (45 ratings)](https://appshunter.io/ios/app/aromaplus/id1642947557/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 17.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 28 MB | 2 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AromaPlan](https://appshunter.io/developer/1642947559) | [Zachary Graves](https://appshunter.io/developer/1678014301) |

## What reviewers say

### AromaPlus

[App page](https://appshunter.io/ios/app/aromaplus/id1642947557)

Control your smart scent diffusers remotely via Bluetooth. Program working periods, intervals, and fragrance intensity for a personalized aromatic environment. Enjoy ultimate control over your scent experiences.

**Highlights:** Bluetooth control, Program working periods, Set fragrance intervals, Adjust scent intensity, 24/7 scheduling

**Features:** macOS Compatibility

**In-app purchases:** none


### Metar Echo

[App page](https://appshunter.io/ios/app/metar-echo/id6757969069)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metar Echo Plus | $4.99 | per month |
| Metar Echo Plus | $49.99 | per year |


## Frequently asked questions

### Is AromaPlus free?

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

### Is Metar Echo free?

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

### Do AromaPlus or Metar Echo have ads?

Neither AromaPlus nor Metar Echo shows ads.

### Which is updated more often, AromaPlus or Metar Echo?

AromaPlus ships an update every 2 months, and Metar Echo every 2 months. Most recently, AromaPlus was updated on October 17, 2026 and Metar Echo on October 6, 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.*