# BT vs Aroma Diffuser pro

The clearest difference is iOS requirement: BT at 9.0 against Aroma Diffuser pro's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

BT ships an update every 3 months, Aroma Diffuser pro every 6 months. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BT | Aroma Diffuser pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (8 ratings)](https://appshunter.io/ios/app/bt-aroma/id1601150083/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 3 MB | 62 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [俊 谢](https://appshunter.io/developer/1440271932) | [志君 李](https://appshunter.io/developer/1827885959) |

## What reviewers say

### BT

[App page](https://appshunter.io/ios/app/bt-aroma/id1601150083)

This utility app allows users to customize working periods for a machine. It supports setting different working days and times for various requests and locations, offering flexibility in machine operation.

**Highlights:** Customizable working modes, Set 5 groups of working periods, Define different working days, Schedule specific working times, Adaptable to various requests and locations

**Features:** macOS Compatibility

**In-app purchases:** none


### Aroma Diffuser pro

[App page](https://appshunter.io/ios/app/aroma-diffuser-pro/id6612023034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BT free?

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

### Is Aroma Diffuser pro free?

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

### Do BT or Aroma Diffuser pro have ads?

Neither BT nor Aroma Diffuser pro shows ads.

### Which is updated more often, BT or Aroma Diffuser pro?

BT ships an update every 3 months, and Aroma Diffuser pro every 6 months. Most recently, BT was updated on October 10, 2026 and Aroma Diffuser pro on October 19, 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.*