# Lighting Calculations vs LeadFusion Local

The clearest difference is in-app purchases: LeadFusion Local at none against Lighting Calculations's 3. LeadFusion Local also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Lighting Calculations ships an update every 5 weeks, LeadFusion Local every 2 months. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lighting Calculations | LeadFusion Local |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/lighting-calculations/id1021580336/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 341 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Lead Fusion Local LLC](https://appshunter.io/developer/6775943218) |

## 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 |


### LeadFusion Local

[App page](https://appshunter.io/ios/app/leadfusion-local/id6775943216)

**Features:** macOS Compatibility, Apple Wallet, 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 LeadFusion Local free?

LeadFusion Local is free to download, with no in-app purchases.

### Do Lighting Calculations or LeadFusion Local have ads?

Lighting Calculations shows ads; LeadFusion Local does not.

### Which is updated more often, Lighting Calculations or LeadFusion Local?

Lighting Calculations ships an update every 5 weeks, and LeadFusion Local every 2 months. Most recently, Lighting Calculations was updated on November 6, 2026 and LeadFusion Local 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.*