# sssQRc vs Dev Calc

The clearest difference is iOS requirement: Dev Calc at 13.0 against sssQRc's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. sssQRc sells 1 one-off in-app purchase and Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | sssQRc | 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 | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 51 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SENSYUSYA](https://appshunter.io/developer/387644072) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### sssQRc

[App page](https://appshunter.io/ios/app/sssqrc/id1129664931)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $5.99 | one-time |


### 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 sssQRc free?

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

### Is Dev Calc free?

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

### Do sssQRc or Dev Calc have ads?

Both sssQRc and Dev Calc show ads.

### Which is updated more often, sssQRc or Dev Calc?

sssQRc ships an update every 2 months, and Dev Calc every 2 months. Most recently, sssQRc was updated on October 1, 2026 and Dev Calc on October 7, 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.*