# Light Meter vs Light Meter.

The clearest difference is update cadence: Light Meter. at every 6 weeks against Light Meter's every 10 months. Light Meter's advantage is iOS requirement (15.5 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Light Meter sells 4 in-app purchases, starting at $3.99 per month and Light Meter. sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Light Meter ships an update every 10 months, Light Meter. every 6 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Light Meter | Light Meter. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (116 ratings)](https://appshunter.io/ios/app/light-meter-lux-525-pro/id1636117065/reviews)** | — |
| Number of ratings | **116** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **15.5** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Ivankin](https://appshunter.io/developer/1615973131) | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) |

## What reviewers say

### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-lux-525-pro/id1636117065)

This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.

**Highlights:** Real-time illuminance measurement, Color temperature measurement, PPFD/PAR and DLI calculation, Built-in illumination calculator, Share and save measurements, No additional equipment needed

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $3.99 | per month |
| Premium Monthly Subscription | $4.99 | per month |
| Premium Lifetime Subscription | $19.99 | one-time |
| Premium Lifetime Subscription | $29.99 | one-time |


### Light Meter.

[App page](https://appshunter.io/ios/app/light-meter/id6651860748)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Meter Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is Light Meter free?

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

### Is Light Meter. free?

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

### Do Light Meter or Light Meter. have ads?

Neither Light Meter nor Light Meter. shows ads.

### Which is updated more often, Light Meter or Light Meter.?

Light Meter ships an update every 10 months, and Light Meter. every 6 weeks. Most recently, Light Meter was updated on October 30, 2026 and Light Meter. on October 27, 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.*