# Light Lux Meter vs QR Code Reader

The clearest difference is price: QR Code Reader at Free against Light Lux Meter's $2.99. QR Code Reader also leads on rating (5.0 vs 4.0). Light Lux Meter's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

QR Code Reader is free to download; Light Lux Meter costs $2.99 up front. QR Code Reader sells 2 in-app purchases, starting at $4.99 per 7 days. Light Lux Meter asks for nothing beyond the download.

QR Code Reader holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Light Lux Meter has 55 ratings behind it against 1, so its average is the more settled of the two.

Light Lux Meter ships an update every 3 months, QR Code Reader every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Light Lux Meter | QR Code Reader |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (55 ratings)](https://appshunter.io/ios/app/light-lux-meter/id934384343/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-qrcreator/id6462827681/reviews)** |
| Number of ratings | **55** | 1 |
| Positive reviews | 11.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 30 MB | 188 MB |
| Requires iOS | **10.0** | 11.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aexol Studio](https://appshunter.io/developer/1711767918) | [Son Vo](https://appshunter.io/developer/1663611305) |

## What reviewers say

### Light Lux Meter

[App page](https://appshunter.io/ios/app/light-lux-meter/id934384343)

This app helps photographers and videographers measure light levels for optimal exposure. It offers lux and foot-candle scales, and can calculate light ratios, serving as a convenient alternative to professional equipment for amateur use.

**Highlights:** Measures light in lux and foot-candles, Calculates light ratio for photos, Dual camera support, Accurate algorithm, New design

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-qrcreator/id6462827681)

Easily scan QR codes and barcodes using your device's camera. Create and share custom QR codes for various information types, with a history log and iCloud backup for your scans. Personalize your codes with custom colors.

**Highlights:** QR code and barcode scanning, QR code generation, Scan from image gallery, Flashlight for low-light scanning, Scan history with iCloud backup, Customizable QR code colors, Share generated QR codes

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $39.99 | per year |


## Frequently asked questions

### Is Light Lux Meter free?

Light Lux Meter costs $2.99, with no in-app purchases.

### Is QR Code Reader free?

QR Code Reader is free to download, with in-app purchases available.

### Which has better reviews, Light Lux Meter or QR Code Reader?

QR Code Reader is rated higher. Light Lux Meter averages 4.0 out of 5 from 55 ratings, while QR Code Reader averages 5.0 from 1 ratings.

### Do Light Lux Meter or QR Code Reader have ads?

QR Code Reader shows ads; Light Lux Meter does not.

### Which is updated more often, Light Lux Meter or QR Code Reader?

Light Lux Meter ships an update every 3 months, and QR Code Reader every 2 months. Most recently, Light Lux Meter was updated on November 1, 2026 and QR Code Reader on November 3, 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.*