# Color Calc+ vs Drastic Calc

The clearest difference is ads: Color Calc+ at none against Drastic Calc's shown. Color Calc+ also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Color Calc+ | Drastic Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/color-calc-plus/id6443727733/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 58 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Jerry Watson](https://appshunter.io/developer/1647846813) | [Tatsuro Furuya](https://appshunter.io/developer/1865297357) |

## What reviewers say

### Color Calc+

[App page](https://appshunter.io/ios/app/color-calc-plus/id6443727733)

This utility app provides a straightforward calculator with a history of past computations. It also offers temperature conversion tools and the ability to easily copy the most recent result.

**Highlights:** Calculator, Calculation history, Temperature conversion, Copy last result

**Features:** macOS Compatibility

**In-app purchases:** none


### Drastic Calc

[App page](https://appshunter.io/ios/app/drastic-calc/id6757259289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Color Calc+ free?

Color Calc+ is free to download, with no in-app purchases.

### Is Drastic Calc free?

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

### Do Color Calc+ or Drastic Calc have ads?

Drastic Calc shows ads; Color Calc+ does not.

### Which is updated more often, Color Calc+ or Drastic Calc?

Color Calc+ ships an update weekly, and Drastic Calc weekly. Most recently, Color Calc+ was updated on November 3, 2026 and Drastic Calc on October 31, 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.*