Comparison

HueReader vs Simple SoapCalc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HueReader

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
Read full description

HueDx is a Rapid, Quantitative, Assay-based (RQA) test development and launch platform that eliminates the need to develop physical devices and software to launch an RQA product. In doing so, HueDx makes the accessibility of launching flagship or complimentary diagnostics accessible to companies that would not normally consider the undertaking.

About

Simple SoapCalc

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
Read full description

The modern soap calculator built for speed, clarity, and confidence. Simple SoapCalc calculates safe lye and water amounts for cold process, liquid soap, and hybrid recipes — instantly. But it does more than math. Snap a recipe photo Import recipes from books, blogs, YouTube screenshots, or handwritten notes. Simple SoapCalc reads the image and builds your recipe automatically — no manual entry. Refine your oil blend Use Blend Advisor to get smart suggestions for stronger bars, more lather, gentler recipes, or better balance. Pick a goal and apply it with one tap. Build with confidence • Calculate accurate lye and water amounts • Build recipes by weight or percentage • Adjust superfat and water-to-lye ratio • View soap properties like hardness, cleansing, and conditioning • Explore full fatty acid profiles • Save and sync recipes across devices Make Soap mode Switch to a step-by-step workshop checklist with your exact recipe measurements when you're ready to make a batch. Simple SoapCalc was created to make soapmaking feel calm and clear again — without clutter, spreadsheets, or guesswork. Informational guidance — never pass/fail scores. Always follow proper soapmaking safety practices when handling lye. Terms of Service: https://simplesoapcalc.com/terms

Screenshots

HueReader4 screens
Simple SoapCalc4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
HueReader versus Simple SoapCalc: the parameters behind the verdict, then further details
ParameterHueReaderSimple SoapCalc
PriceFreeFree
Rating5.0 (1 ratings) — better4.6 (19 ratings)
Positive reviews—50.0% of reviews
Number of ratings119 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.4 — better15.5
Further details — not scored
Size2 MB83 MB
Age rating4+4+
DeveloperGroup K DiagnosticsJames Hogans

Customer experience

HueReader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Simple SoapCalc

All ratings19 ratings
Positive89.5%
Neutral5.3%
Negative5.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

HueReader

No in-app purchases

2 purchases

Simple SoapCalc

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly$19.991 Year

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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