# Steampunk Calculator vs QuantumNFC

The clearest difference is in-app purchases: QuantumNFC at none against Steampunk Calculator's 1. QuantumNFC also leads on update cadence (monthly vs every 6 months). Steampunk Calculator's advantage is iOS requirement (10.3 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Steampunk Calculator sells 1 one-off in-app purchase. QuantumNFC asks for nothing beyond the download.

Steampunk Calculator ships an update every 6 months, QuantumNFC monthly. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Steampunk Calculator | QuantumNFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/steampunk-calculator/id1234032185/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 12 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bernd Beyreuther](https://appshunter.io/developer/1234032184) | [Quantum Automation Private Limited](https://appshunter.io/developer/1822902091) |

## What reviewers say

### Steampunk Calculator

[App page](https://appshunter.io/ios/app/steampunk-calculator/id1234032185)

Experience a historically inspired basic calculator with a unique steampunk aesthetic. This app brings a piece of early computer science and craftsmanship to your device, offering a functional and visually distinctive tool.

**Highlights:** Steampunk aesthetic, Basic calculator functionality, Historically inspired design, Early computer science theme

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recharge Battery | $0.99 | one-time |


### QuantumNFC

[App page](https://appshunter.io/ios/app/quantumnfc/id1562378281)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Steampunk Calculator free?

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

### Is QuantumNFC free?

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

### Do Steampunk Calculator or QuantumNFC have ads?

Neither Steampunk Calculator nor QuantumNFC shows ads.

### Which is updated more often, Steampunk Calculator or QuantumNFC?

Steampunk Calculator ships an update every 6 months, and QuantumNFC monthly. Most recently, Steampunk Calculator was updated on September 26, 2026 and QuantumNFC on October 5, 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.*