# Lighting Calculations vs OPPLE Smart

The clearest difference is rating: Lighting Calculations at 4.8 against OPPLE Smart's 1.7. Lighting Calculations also leads on review sentiment (60% vs 29%). OPPLE Smart's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Lighting Calculations sells 3 in-app purchases, starting at $1.99 per 3 months. OPPLE Smart asks for nothing beyond the download.

Lighting Calculations holds the better App Store score, 4.8 against 1.7. Both are backed by a comparable volume of ratings — 6 and 16 respectively. Written reviews point the same way: 60% of Lighting Calculations's written reviews are positive against 29% of OPPLE Smart's.

Lighting Calculations ships an update every 5 weeks, OPPLE Smart monthly. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Lighting Calculations | OPPLE Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/lighting-calculations/id1021580336/reviews)** | [1.7 (16 ratings)](https://appshunter.io/ios/app/opple-smart/id1361868847/reviews) |
| Number of ratings | 6 | **16** |
| Positive reviews | **60.0% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 123 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Opple Lighting Co., Ltd.](https://appshunter.io/developer/955299786) |

## What reviewers say

### Lighting Calculations

[App page](https://appshunter.io/ios/app/lighting-calculations/id1021580336)

This app provides a comprehensive suite of tools for lighting calculations, conversions, and technical guides. It helps users design lighting systems, analyze LEDs, and ensure compliance with lighting standards, saving time and reducing design errors.

**Highlights:** Room lighting design calculations, LED analysis and power supply calculations, Light efficiency and power factor compensation, Photometric code decoding, Lumen, Lux, Candela, Watt conversions, Color temperature conversion (Kelvin to RGB), Normative requirements and technical guides

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $1.99 | per 3 months |
| PRO Version (1 year) | $2.99 | per year |
| PRO Version (Lifetime) | $14.99 | one-time |


### OPPLE Smart

[App page](https://appshunter.io/ios/app/opple-smart/id1361868847)

Easily set up and manage your smart lighting system. Organize devices, create lighting scenes, and control your lights with simple taps. Manage users and define different areas within your smart lighting project.

**Highlights:** Create smart lighting projects, Define lighting areas, Discover and organize devices, Create and manage lighting scenes, Manage system users, One-touch lighting control

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

**In-app purchases:** none


## Frequently asked questions

### Is Lighting Calculations free?

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

### Is OPPLE Smart free?

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

### Which has better reviews, Lighting Calculations or OPPLE Smart?

Lighting Calculations is rated higher. Lighting Calculations averages 4.8 out of 5 from 6 ratings, while OPPLE Smart averages 1.7 from 16 ratings.

### Do Lighting Calculations or OPPLE Smart have ads?

Lighting Calculations shows ads; OPPLE Smart does not.

### Which is updated more often, Lighting Calculations or OPPLE Smart?

Lighting Calculations ships an update every 5 weeks, and OPPLE Smart monthly. Most recently, Lighting Calculations was updated on November 11, 2026 and OPPLE Smart on November 2, 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.*