# Smart GreenScreen vs LightMeter Express

The clearest difference is price: LightMeter Express at Free against Smart GreenScreen's $4.99. LightMeter Express also leads on update cadence (daily vs every 6 weeks). Smart GreenScreen's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

LightMeter Express is free to download; Smart GreenScreen costs $4.99 up front. LightMeter Express sells 1 one-off in-app purchase. Smart GreenScreen asks for nothing beyond the download.

Smart GreenScreen ships an update every 6 weeks, LightMeter Express daily. The most recent releases landed on October 9, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Smart GreenScreen | LightMeter Express |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/lightmeter-express/id6748661409/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 4 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Hollekamp](https://appshunter.io/developer/310105804) | [Digitaino LLC](https://appshunter.io/developer/1822882839) |

## What reviewers say

### Smart GreenScreen

[App page](https://appshunter.io/ios/app/smart-greenscreen/id6745527862)

**Features:** Vision Pro support

**In-app purchases:** none


### LightMeter Express

[App page](https://appshunter.io/ios/app/lightmeter-express/id6748661409)

This tool transforms your iPhone into a professional light meter for photography. It offers accurate exposure readings with real-time calculations for aperture, shutter speed, and ISO, supporting various camera settings and providing exposure compensation.

**Highlights:** Real-time light metering, Precise exposure calculations, Support for standard camera settings, Exposure value (EV) display, Spot metering (Pro feature), Live histogram (Pro feature)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Meter Pro | $2.99 | one-time |


## Frequently asked questions

### Is Smart GreenScreen free?

Smart GreenScreen costs $4.99, with no in-app purchases.

### Is LightMeter Express free?

LightMeter Express is free to download, with in-app purchases available.

### Do Smart GreenScreen or LightMeter Express have ads?

Neither Smart GreenScreen nor LightMeter Express shows ads.

### Which is updated more often, Smart GreenScreen or LightMeter Express?

Smart GreenScreen ships an update every 6 weeks, and LightMeter Express daily. Most recently, Smart GreenScreen was updated on October 9, 2026 and LightMeter Express on September 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.*