# App for Light meter controller vs Illuminance Meter

The clearest difference is ads: Illuminance Meter at none against App for Light meter controller's shown. Illuminance Meter also leads on update cadence (every 3 months vs every 7 months). App for Light meter controller's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. App for Light meter controller sells 5 in-app purchases, starting at $5.99 per year and Illuminance Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

App for Light meter controller ships an update every 7 months, Illuminance Meter every 3 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | App for Light meter controller | Illuminance Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (18 ratings)](https://appshunter.io/ios/app/app-for-light-meter-controller/id6670164188/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 116 MB | 13 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Irina Metelkina](https://appshunter.io/developer/1616464605) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### App for Light meter controller

[App page](https://appshunter.io/ios/app/app-for-light-meter-controller/id6670164188)

Transform your smartphone into a professional light meter. Measure illumination in LUX and FC, and check color temperature in kelvins. Ideal for photographers, designers, and anyone needing precise light data.

**Highlights:** Measure LUX and FC, Check color temperature in kelvins, Supports various light types (LED, sunlight, UV), Intuitive interface with graphs, Save and export light readings, Professional-grade accuracy

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly subscription | $5.99 | per year |
| Monthly subscription | $12.99 | per month |
| Yearly subscription | $14.99 | per year |
| Yearly subscription | $19.99 | per year |
| Yearly subscription | $34.99 | per year |


### Illuminance Meter

[App page](https://appshunter.io/ios/app/illuminance-meter-lux-ppfd/id6759972986)

Transform your iPhone into a professional light meter to measure illuminance in lux or foot-candles. Ideal for photographers, plant enthusiasts, and workplace safety, it provides instant, accurate light readings with various specialized modes and data export options.

**Highlights:** Real-time lux measurement with live gauge, Photography mode for exposure value (EV) calculation, Plant light mode with recommendations, Workplace standards verification, Measurement history with export options, Spectrum analysis for color temperature and CRI, Multiple illuminance unit switching

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $3.99 | per 7 days |
| Premium Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is App for Light meter controller free?

App for Light meter controller is free to download, with in-app purchases available.

### Is Illuminance Meter free?

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

### Do App for Light meter controller or Illuminance Meter have ads?

App for Light meter controller shows ads; Illuminance Meter does not.

### Which is updated more often, App for Light meter controller or Illuminance Meter?

App for Light meter controller ships an update every 7 months, and Illuminance Meter every 3 months. Most recently, App for Light meter controller was updated on October 13, 2026 and Illuminance Meter on October 12, 2026.

---

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