# Lux Light Meter for Mobile vs 三思照度计

The clearest difference is in-app purchases: 三思照度计 at none against Lux Light Meter for Mobile's 7. 三思照度计 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. 三思照度计 asks for nothing beyond the download.

Lux Light Meter for Mobile ships an update fortnightly, 三思照度计 every 2 weeks. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Lux Light Meter for Mobile | 三思照度计 |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 1 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WeBrain](https://appshunter.io/developer/1578514377) | [Shanghai Sansi Electronic Engineering Co., Ltd](https://appshunter.io/developer/965055646) |

## 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 |


### 三思照度计

[App page](https://appshunter.io/ios/app/id6446383682)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 三思照度计 free?

三思照度计 is free to download, with no in-app purchases.

### Do Lux Light Meter for Mobile or 三思照度计 have ads?

Lux Light Meter for Mobile shows ads; 三思照度计 does not.

### Which is updated more often, Lux Light Meter for Mobile or 三思照度计?

Lux Light Meter for Mobile ships an update fortnightly, and 三思照度计 every 2 weeks. Most recently, Lux Light Meter for Mobile was updated on October 25, 2026 and 三思照度计 on October 13, 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.*