# irPanel Pro vs LUX

The clearest difference is price: LUX at Free against irPanel Pro's $139.99. LUX also leads on update cadence (every 10 days vs every 6 months). irPanel Pro's advantage is in-app purchases (none vs 2) and ads (none vs shown).

LUX is free to download; irPanel Pro costs $139.99 up front. LUX sells 2 in-app purchases, starting at $1.99 per month. irPanel Pro asks for nothing beyond the download.

irPanel Pro ships an update every 6 months, LUX every 10 days. The most recent releases landed on December 1, 2025 and September 25, 2026 respectively.

## The numbers

| Metric | irPanel Pro | LUX |
| --- | --- | --- |
| Price | $139.99 | **Free** |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 17 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ITO SOFT DESIGN Inc.](https://appshunter.io/developer/311313017) | [koji torishima](https://appshunter.io/developer/1622793467) |

## What reviewers say

### irPanel Pro

[App page](https://appshunter.io/ios/app/irpanel-pro/id348612496)

**Features:** macOS Compatibility

**In-app purchases:** none


### LUX

[App page](https://appshunter.io/ios/app/lux-illuminance-meter/id1631156210)

Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.

**Highlights:** Instant lux measurement, Color temperature (CCT) reading, Foot-candle unit toggle, Min/Avg/Max lux tracking, Measurement history (Premium), CSV export (Premium)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $11.99 | per year |


## Frequently asked questions

### Is irPanel Pro free?

irPanel Pro costs $139.99, with no in-app purchases.

### Is LUX free?

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

### Do irPanel Pro or LUX have ads?

LUX shows ads; irPanel Pro does not.

### Which is updated more often, irPanel Pro or LUX?

irPanel Pro ships an update every 6 months, and LUX every 10 days. Most recently, irPanel Pro was updated on December 1, 2025 and LUX on September 25, 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.*