# Stepper Motor Calculator vs QR Code Generator & Maker

The clearest difference is price: QR Code Generator & Maker at Free against Stepper Motor Calculator's $2.99. QR Code Generator & Maker also leads on update cadence (every 4 days vs every 32 months). Stepper Motor Calculator's advantage is device support (3 vs 1) and iOS requirement (13 vs 17.0). On ads and in-app purchases there is nothing between them.

QR Code Generator & Maker is free to download; Stepper Motor Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stepper Motor Calculator ships an update every 32 months, QR Code Generator & Maker every 4 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stepper Motor Calculator | QR Code Generator & Maker |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/qr-code-generator-and-maker/id6747336659/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | **13** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## What reviewers say

### Stepper Motor Calculator

[App page](https://appshunter.io/ios/app/stepper-motor-calculator/id1367815636)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Generator & Maker

[App page](https://appshunter.io/ios/app/qr-code-generator-and-maker/id6747336659)

Easily create custom QR codes with your own logo, transparent backgrounds, and personalized colors. This straightforward tool offers simple functionality for generating unique codes.

**Highlights:** Create custom QR codes, Add your own logo, Transparent background option, Customizable colors, Simple and straightforward interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stepper Motor Calculator free?

Stepper Motor Calculator costs $2.99, with no in-app purchases.

### Is QR Code Generator & Maker free?

QR Code Generator & Maker is free to download, with no in-app purchases.

### Do Stepper Motor Calculator or QR Code Generator & Maker have ads?

Neither Stepper Motor Calculator nor QR Code Generator & Maker shows ads.

### Which is updated more often, Stepper Motor Calculator or QR Code Generator & Maker?

Stepper Motor Calculator ships an update every 32 months, and QR Code Generator & Maker every 4 days. Most recently, Stepper Motor Calculator was updated on September 29, 2026 and QR Code Generator & Maker on October 12, 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.*