# Dev Calc vs Matrix Kiosk

The clearest difference is in-app purchases: Matrix Kiosk at none against Dev Calc's 1. Matrix Kiosk also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Matrix Kiosk asks for nothing beyond the download.

Dev Calc ships an update every 2 months, Matrix Kiosk every 2 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Dev Calc | Matrix Kiosk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 43 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toshiya Hondo](https://appshunter.io/developer/1571875732) | [SmartClean Technologies Pte Ltd](https://appshunter.io/developer/1345851618) |

## What reviewers say

### Dev Calc

[App page](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219)

This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.

**Highlights:** Numeric conversion (Bin, Oct, Dec, Hex), Signed/Unsigned options, Adjustable bit sizes (8, 16, 32, 64), RGB, HSL, HSV color code generation, Color picker, Preset color options

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $1.99 | per month |


### Matrix Kiosk

[App page](https://appshunter.io/ios/app/matrix-kiosk/id1631088978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dev Calc free?

Dev Calc is free to download, with in-app purchases available.

### Is Matrix Kiosk free?

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

### Do Dev Calc or Matrix Kiosk have ads?

Dev Calc shows ads; Matrix Kiosk does not.

### Which is updated more often, Dev Calc or Matrix Kiosk?

Dev Calc ships an update every 2 months, and Matrix Kiosk every 2 weeks. Most recently, Dev Calc was updated on October 7, 2026 and Matrix Kiosk on October 15, 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.*