# Light Meter・Lux Meter vs ATIS Wind Guage

The clearest difference is in-app purchases: ATIS Wind Guage at none against Light Meter・Lux Meter's 2. ATIS Wind Guage also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Light Meter・Lux Meter sells 2 in-app purchases, starting at $7.99 per 7 days. ATIS Wind Guage asks for nothing beyond the download.

Light Meter・Lux Meter ships an update monthly, ATIS Wind Guage every 3 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Light Meter・Lux Meter | ATIS Wind Guage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/light-meterlux-meter/id6759604310/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 3 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) | [ATIS Co., LTD.](https://appshunter.io/developer/6808108131) |

## What reviewers say

### Light Meter・Lux Meter

[App page](https://appshunter.io/ios/app/light-meterlux-meter/id6759604310)

This utility app transforms your smartphone into a professional light measurement tool, offering precise real-time readings in lux, foot-candle, and EV. It helps users meet lighting standards for various environments and optimize conditions for plant growth, with features for tracking changes over time.

**Highlights:** Real-time lux, foot-candle, and EV readings, Visual brightness indicator, Check lighting standards for spaces, Calculate DLI and PPFD for plants, Continuous recording and trend charts, Save and compare measurements

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $19.99 | per month |


### ATIS Wind Guage

[App page](https://appshunter.io/ios/app/atis-wind-guage/id6808108129)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter・Lux Meter free?

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

### Is ATIS Wind Guage free?

ATIS Wind Guage is free to download, with no in-app purchases.

### Do Light Meter・Lux Meter or ATIS Wind Guage have ads?

Light Meter・Lux Meter shows ads; ATIS Wind Guage does not.

### Which is updated more often, Light Meter・Lux Meter or ATIS Wind Guage?

Light Meter・Lux Meter ships an update monthly, and ATIS Wind Guage every 3 days. Most recently, Light Meter・Lux Meter was updated on October 24, 2026 and ATIS Wind Guage on October 6, 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.*