# Luminometer vs Secure Smart

The clearest difference is in-app purchases: Secure Smart at none against Luminometer's 2. Secure Smart also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.6). On price and device support there is nothing between them.

Both are free to download. Luminometer sells 2 in-app purchases, starting at $2.99 per 7 days. Secure Smart asks for nothing beyond the download.

## The numbers

| Metric | Luminometer | Secure Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (13 ratings)](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 183 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [27GROUP](https://appshunter.io/developer/1589401961) | [INSTALL DIRECT COMPANY LIMITED](https://appshunter.io/developer/1850406057) |

## What reviewers say

### Luminometer

[App page](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225)

Transform your device into a professional light meter to measure luminosity in lux and foot-candles. Achieve optimal illumination for any space, from greenhouses to workspaces, ensuring comfort and preventing glare. Calibrated with reference equipment for precise and reliable readings.

**Highlights:** Measures lux and foot-candle units, Internal Exposure Compensation for accuracy, Camera view for measured area, Calibrated with reference equipment, Versatile for various lighting conditions, Helps set optimal illumination levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $9.99 | one-time |


### Secure Smart

[App page](https://appshunter.io/ios/app/secure-smart/id6748728173)

**In-app purchases:** none


## Frequently asked questions

### Is Luminometer free?

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

### Is Secure Smart free?

Secure Smart is free to download, with no in-app purchases.

### Do Luminometer or Secure Smart have ads?

Luminometer shows ads; Secure Smart does not.

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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.*