# Lux Light Meter for Mobile vs Yard Log

The clearest difference is ads: Yard Log at none against Lux Light Meter for Mobile's shown. Lux Light Meter for Mobile's advantage is update cadence (fortnightly vs every 4 months) and iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Lux Light Meter for Mobile sells 7 in-app purchases, starting at $2.99 per 7 days and Yard Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lux Light Meter for Mobile ships an update fortnightly, Yard Log every 4 months. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Lux Light Meter for Mobile | Yard Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (236 ratings)](https://appshunter.io/ios/app/lux-light-meter-for-mobile/id1638732220/reviews)** | — |
| Number of ratings | **236** | — |
| Positive reviews | 17.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WeBrain](https://appshunter.io/developer/1578514377) | [SPRING DATA LIMITED](https://appshunter.io/developer/1878386334) |

## What reviewers say

### Lux Light Meter for Mobile

[App page](https://appshunter.io/ios/app/lux-light-meter-for-mobile/id1638732220)

This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.

**Highlights:** Real-time color temperature measurement, Lux and foot candle measurements, Daily light integral (DLI) calculation, Average and Max values, Optimal shooting value selection, Adjustable shooting values (shutter speed, aperture, ISO)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lux Light Meter Pro | $2.99 | per 7 days |
| Light Meter 1 Week | $2.99 | per 7 days |
| Lux Light Meter | $5.99 | per month |
| Light Meter | $5.99 | per month |
| Lux Meter | $7.99 | per year |
| Light Meter Pro | $14.99 | per year |
| Light Meter for Mobile | $14.99 | per year |


### Yard Log

[App page](https://appshunter.io/ios/app/yard-log/id6763771405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yard Log Pro | $4.99 | one-time |


## Frequently asked questions

### Is Lux Light Meter for Mobile free?

Lux Light Meter for Mobile is free to download, with in-app purchases available.

### Is Yard Log free?

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

### Do Lux Light Meter for Mobile or Yard Log have ads?

Lux Light Meter for Mobile shows ads; Yard Log does not.

### Which is updated more often, Lux Light Meter for Mobile or Yard Log?

Lux Light Meter for Mobile ships an update fortnightly, and Yard Log every 4 months. Most recently, Lux Light Meter for Mobile was updated on October 25, 2026 and Yard Log on October 19, 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.*