# HueReader vs Simple SoapCalc

The clearest difference is in-app purchases: HueReader at none against Simple SoapCalc's 2. HueReader also leads on rating (5.0 vs 4.6). Simple SoapCalc's advantage is update cadence (every 2 weeks vs every 3 months) and ratings volume (19 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple SoapCalc sells 2 in-app purchases, starting at $2.99 per month. HueReader asks for nothing beyond the download.

HueReader holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Simple SoapCalc has 19 ratings behind it against 1, so its average is the more settled of the two.

HueReader ships an update every 3 months, Simple SoapCalc every 2 weeks. The most recent releases landed on October 17, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | HueReader | Simple SoapCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/huereader/id6446816286/reviews)** | [4.6 (19 ratings)](https://appshunter.io/ios/app/simple-soapcalc-soap-calc/id6756240234/reviews) |
| Number of ratings | 1 | **19** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 83 MB |
| Requires iOS | **15.4** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Group K Diagnostics](https://appshunter.io/developer/1347195842) | [James Hogans](https://appshunter.io/developer/1859446021) |

## What reviewers say

### HueReader

[App page](https://appshunter.io/ios/app/huereader/id6446816286)

This platform simplifies the development and launch of rapid, quantitative, assay-based tests. It removes the need for physical devices and custom software, making advanced diagnostics accessible to more companies.

**Highlights:** Rapid test development, Quantitative assay-based testing, Eliminates physical device needs, Streamlines software development, Accessible diagnostics launch

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple SoapCalc

[App page](https://appshunter.io/ios/app/simple-soapcalc-soap-calc/id6756240234)

This app helps soap makers calculate precise lye and water amounts for various soap recipes. It can import recipes from images, suggest oil blend refinements, and guide users through the soap-making process with a step-by-step checklist. It aims to simplify and clarify the soap-making experience.

**Highlights:** Calculate lye and water amounts, Import recipes from images, Refine oil blends with suggestions, View soap properties, Step-by-step making guide, Save and sync recipes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is HueReader free?

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

### Is Simple SoapCalc free?

Simple SoapCalc is free to download, with in-app purchases available.

### Which has better reviews, HueReader or Simple SoapCalc?

HueReader is rated higher. HueReader averages 5.0 out of 5 from 1 ratings, while Simple SoapCalc averages 4.6 from 19 ratings.

### Do HueReader or Simple SoapCalc have ads?

Neither HueReader nor Simple SoapCalc shows ads.

### Which is updated more often, HueReader or Simple SoapCalc?

HueReader ships an update every 3 months, and Simple SoapCalc every 2 weeks. Most recently, HueReader was updated on October 17, 2026 and Simple SoapCalc on October 23, 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.*