# UR vs LUX Meter

The clearest difference is in-app purchases: LUX Meter at none against UR's 3. LUX Meter also leads on update cadence (every 3 days vs weekly). UR's advantage is device support (4 vs 1) and iOS requirement (15.6 vs 17.0). On price and ads there is nothing between them.

Both are free to download. UR sells 3 in-app purchases, starting at $0.99 per month. LUX Meter asks for nothing beyond the download.

UR ships an update weekly, LUX Meter every 3 days. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | UR | LUX Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (10 ratings)](https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free |
| Size | 36 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Balaji Kadambi](https://appshunter.io/developer/1860478727) | [Yannick Binay](https://appshunter.io/developer/6783321329) |

## What reviewers say

### UR

[App page](https://appshunter.io/ios/app/ur-vault/id6756403309)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $0.99 | per month |
| Quarterly subscription | $1.99 | per 3 months |
| Annual subscription | $5.99 | per year |


### LUX Meter

[App page](https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327)

This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.

**Highlights:** Lux and foot-candle readings, Lighting target presets, Live brightness scale, Hold mode for measurements, Session min, average, and max, Calibration against trusted value, Private on-device metering

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UR free?

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

### Is LUX Meter free?

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

### Do UR or LUX Meter have ads?

Neither UR nor LUX Meter shows ads.

### Which is updated more often, UR or LUX Meter?

UR ships an update weekly, and LUX Meter every 3 days. Most recently, UR was updated on October 10, 2026 and LUX Meter on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*