# Lux Meter vs いまここ

The clearest difference is in-app purchases: いまここ at none against Lux Meter's 1. いまここ also leads on update cadence (every 2 days vs weekly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Lux Meter sells 1 one-off in-app purchase. いまここ asks for nothing beyond the download.

Lux Meter ships an update weekly, いまここ every 2 days. The most recent releases landed on October 31, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Lux Meter | いまここ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/lux-meter-light-meter/id6790800796/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 23 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) | [TOMOKAZU GOTO](https://appshunter.io/developer/6782375624) |

## What reviewers say

### Lux Meter

[App page](https://appshunter.io/ios/app/lux-meter-light-meter/id6790800796)

This tool transforms your iPhone into a professional light meter, measuring illuminance in lux and foot-candles in real-time. It offers exposure calculations, color temperature estimates, and various presets for different use cases, all while working offline and without ads.

**Highlights:** Real-time lux and foot-candle readout, Exposure Value (EV) calculation, Color temperature (CCT) estimate, Spot or average metering, Use-case presets, CSV export of readings, 100% offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lux Meter Premium | $2.99 | one-time |


### いまここ

[App page](https://appshunter.io/ios/app/id6801843161)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lux Meter free?

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

### Is いまここ free?

いまここ is free to download, with no in-app purchases.

### Do Lux Meter or いまここ have ads?

Both Lux Meter and いまここ show ads.

### Which is updated more often, Lux Meter or いまここ?

Lux Meter ships an update weekly, and いまここ every 2 days. Most recently, Lux Meter was updated on October 31, 2026 and いまここ on October 20, 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.*