# ShoppingCalculator byNSDev vs Dev Calc

The clearest difference is in-app purchases: ShoppingCalculator byNSDev at none against Dev Calc's 1. ShoppingCalculator byNSDev also leads on ads (none vs shown). Dev Calc's advantage is update cadence (every 2 months vs every 39 months) and iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

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

ShoppingCalculator byNSDev ships an update every 39 months, Dev Calc every 2 months. The most recent releases landed on September 21, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | ShoppingCalculator byNSDev | 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 | **No** | Yes |
| Update frequency | Every 39 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 51 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### ShoppingCalculator byNSDev

[App page](https://appshunter.io/ios/app/shoppingcalculator-bynsdev/id1279295619)

**Features:** macOS Compatibility

**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 ShoppingCalculator byNSDev free?

ShoppingCalculator byNSDev is free to download, with no in-app purchases.

### Is Dev Calc free?

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

### Do ShoppingCalculator byNSDev or Dev Calc have ads?

Dev Calc shows ads; ShoppingCalculator byNSDev does not.

### Which is updated more often, ShoppingCalculator byNSDev or Dev Calc?

ShoppingCalculator byNSDev ships an update every 39 months, and Dev Calc every 2 months. Most recently, ShoppingCalculator byNSDev was updated on September 21, 2026 and Dev Calc on June 4, 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.*