# QR & Barcode Scanner Plus vs Houstudia Calculator

The clearest difference is price: Houstudia Calculator at Free against QR & Barcode Scanner Plus's $14.99. QR & Barcode Scanner Plus's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Houstudia Calculator is free to download; QR & Barcode Scanner Plus costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QR & Barcode Scanner Plus ships an update every 2 weeks, Houstudia Calculator every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | QR & Barcode Scanner Plus | Houstudia Calculator |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 22 MB | 20 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [MD. NASAR UDDIN REDOY](https://appshunter.io/developer/1653522796) | [Houstudia](https://appshunter.io/developer/1848855363) |

## What reviewers say

### QR & Barcode Scanner Plus

[App page](https://appshunter.io/ios/app/qr-and-barcode-scanner-plus/id6476268389)

**Features:** macOS Compatibility

**In-app purchases:** none


### Houstudia Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR & Barcode Scanner Plus free?

QR & Barcode Scanner Plus costs $14.99, with no in-app purchases.

### Is Houstudia Calculator free?

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

### Do QR & Barcode Scanner Plus or Houstudia Calculator have ads?

Neither QR & Barcode Scanner Plus nor Houstudia Calculator shows ads.

### Which is updated more often, QR & Barcode Scanner Plus or Houstudia Calculator?

QR & Barcode Scanner Plus ships an update every 2 weeks, and Houstudia Calculator every 2 months. Most recently, QR & Barcode Scanner Plus was updated on October 25, 2026 and Houstudia Calculator on October 28, 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.*