# 技術士　工学・理学 vs Astral Essences

The clearest difference is price: Astral Essences at Free against 技術士　工学・理学's $4.99. 技術士　工学・理学's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Astral Essences is free to download; 技術士　工学・理学 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 技術士　工学・理学 | Astral Essences |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astral-essences/id1619706860/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 69 months | — |
| Monetization | — | Ad-supported |
| Size | 70 MB | 42 MB |
| Requires iOS | 15.0 | **14.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [hada keiko](https://appshunter.io/developer/1491577277) | [Claire Mitchell](https://appshunter.io/developer/1619706862) |

## What reviewers say

### 技術士　工学・理学

[App page](https://appshunter.io/ios/app/id1491582994)

**Features:** Vision Pro support

**In-app purchases:** none


### Astral Essences

[App page](https://appshunter.io/ios/app/astral-essences/id1619706860)

Explore a comprehensive guide to essential oils, their history, uses, and benefits. Discover new products, learn application techniques, and find oils tailored to your Zodiac sign and Chakras. This app is updated daily to provide the latest information.

**Highlights:** Essential oil history and uses, Product and blend discovery, Application charts, Zodiac and Chakra-based oil recommendations, Customizable favorites list, Daily updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 技術士　工学・理学 free?

技術士　工学・理学 costs $4.99, with no in-app purchases.

### Is Astral Essences free?

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

### Do 技術士　工学・理学 or Astral Essences have ads?

Astral Essences shows ads; 技術士　工学・理学 does not.

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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.*