# Houstudia Calculator vs QR Maker 8

The clearest difference is iOS requirement: Houstudia Calculator at 15.1 against QR Maker 8's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Houstudia Calculator | QR Maker 8 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 20 MB | 2 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Houstudia](https://appshunter.io/developer/1848855363) | [Anders Munck](https://appshunter.io/developer/1497032383) |

## What reviewers say

### Houstudia Calculator

[App page](https://appshunter.io/ios/app/houstudia-calculator/id6754558086)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Maker 8

[App page](https://appshunter.io/ios/app/qr-maker-8/id6757955833)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Houstudia Calculator free?

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

### Is QR Maker 8 free?

QR Maker 8 is free to download, with no in-app purchases.

### Do Houstudia Calculator or QR Maker 8 have ads?

Neither Houstudia Calculator nor QR Maker 8 shows ads.

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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.*