# Aroma Core vs Spark Plug Reader

The clearest difference is in-app purchases: Aroma Core at none against Spark Plug Reader's 1. Aroma Core also leads on iOS requirement (12.0 vs 16.4). Spark Plug Reader's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Spark Plug Reader sells 1 one-off in-app purchase. Aroma Core asks for nothing beyond the download.

Aroma Core ships an update every 3 weeks, Spark Plug Reader every 2 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Aroma Core | Spark Plug Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/aroma-core/id6756510670/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 59 MB | 37 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [可汗 罗](https://appshunter.io/developer/1407110279) | [EVREN YUCEBAS](https://appshunter.io/developer/6782353474) |

## What reviewers say

### Aroma Core

[App page](https://appshunter.io/ios/app/aroma-core/id6756510670)

Effortlessly customize and control your scenting experience with this app, designed exclusively for Aroma Core machines. Manage your environment's aroma with just a few taps.

**Highlights:** Customize scent experience, Control scenting machines, Effortless operation, Intuitive interface

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

**In-app purchases:** none


### Spark Plug Reader

[App page](https://appshunter.io/ios/app/spark-plug-reader/id6805215335)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Frequently asked questions

### Is Aroma Core free?

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

### Is Spark Plug Reader free?

Spark Plug Reader is free to download, with in-app purchases available.

### Do Aroma Core or Spark Plug Reader have ads?

Neither Aroma Core nor Spark Plug Reader shows ads.

### Which is updated more often, Aroma Core or Spark Plug Reader?

Aroma Core ships an update every 3 weeks, and Spark Plug Reader every 2 days. Most recently, Aroma Core was updated on October 16, 2026 and Spark Plug Reader 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.*