# BC OSP vs Light Meter・Lux Meter

The clearest difference is in-app purchases: BC OSP at none against Light Meter・Lux Meter's 2. BC OSP also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.1). Light Meter・Lux Meter's advantage is update cadence (monthly vs every 3 months). On price and device support 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. BC OSP asks for nothing beyond the download.

BC OSP ships an update every 3 months, Light Meter・Lux Meter monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | BC OSP | Light Meter・Lux Meter |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 149 MB | 113 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ORTEC](https://appshunter.io/developer/814502934) | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) |

## What reviewers say

### BC OSP

[App page](https://appshunter.io/ios/app/bc-osp/id1205991975)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is BC OSP free?

BC OSP is free to download, with no in-app purchases.

### Is Light Meter・Lux Meter free?

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

### Do BC OSP or Light Meter・Lux Meter have ads?

Light Meter・Lux Meter shows ads; BC OSP does not.

### Which is updated more often, BC OSP or Light Meter・Lux Meter?

BC OSP ships an update every 3 months, and Light Meter・Lux Meter monthly. Most recently, BC OSP was updated on October 28, 2026 and Light Meter・Lux Meter on October 28, 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.*