# Calculator X vs Dev Calc

The clearest difference is in-app purchases: Calculator X at none against Dev Calc's 1. Calculator X also leads on update cadence (every 4 weeks vs every 2 months). Dev Calc's advantage is device support and iOS requirement (13.0 vs 15.6). On price there is nothing between them.

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

Calculator X ships an update every 4 weeks, Dev Calc every 2 months. The most recent releases landed on September 18, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Calculator X | Dev Calc |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | — | Yes |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 51 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahed Qaraqra](https://appshunter.io/developer/1361264559) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### Calculator X

[App page](https://appshunter.io/ios/app/calculator-x-dev-and-graphs/id1570984031)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Calculator X free?

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

### Is Dev Calc free?

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

### Which is updated more often, Calculator X or Dev Calc?

Calculator X ships an update every 4 weeks, and Dev Calc every 2 months. Most recently, Calculator X was updated on September 18, 2026 and Dev Calc on June 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*