# Color Scheme Designer vs Plus42

The clearest difference is price: Color Scheme Designer at $1.99 against Plus42's $9.99. Plus42's advantage is update cadence (weekly vs every 23 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Color Scheme Designer costs $1.99 and Plus42 $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Color Scheme Designer ships an update every 23 months, Plus42 weekly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Color Scheme Designer | Plus42 |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | — | **[4.9 (79 ratings)](https://appshunter.io/ios/app/plus42/id1597963622/reviews)** |
| Number of ratings | — | **79** |
| Positive reviews | — | 92.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Weekly** |
| Monetization | — | Free |
| Size | 1 MB | 11 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Thomas Okken](https://appshunter.io/developer/337692632) |

## What reviewers say

### Color Scheme Designer

[App page](https://appshunter.io/ios/app/color-scheme-designer/id1435485163)

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

**In-app purchases:** none


### Plus42

[App page](https://appshunter.io/ios/app/plus42/id1597963622)

This advanced scientific calculator simulates the classic HP-42S RPN calculator with enhanced features. It offers algebraic expressions, unit conversions, directories for storage, a larger resizable display, financial functions, and 2D plotting with integral and root finding.

**Highlights:** HP-42S RPN calculator simulation, Algebraic expressions, Attached units and conversions, Program and variable directories, Resizable 8-row, 22-column display, Time value of money and amortization, 2D function plotting with zoom and pan

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Color Scheme Designer free?

Color Scheme Designer costs $1.99, with no in-app purchases.

### Is Plus42 free?

Plus42 costs $9.99, with no in-app purchases.

### Do Color Scheme Designer or Plus42 have ads?

Neither Color Scheme Designer nor Plus42 shows ads.

### Which is updated more often, Color Scheme Designer or Plus42?

Color Scheme Designer ships an update every 23 months, and Plus42 weekly. Most recently, Color Scheme Designer was updated on October 25, 2026 and Plus42 on October 30, 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.*