# Lighting Calculations vs Cesar Премиум

The clearest difference is in-app purchases: Cesar Премиум at none against Lighting Calculations's 3. Cesar Премиум also leads on ads (none vs shown) and update cadence (every 10 days vs every 5 weeks). On price 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. Cesar Премиум asks for nothing beyond the download.

Lighting Calculations ships an update every 5 weeks, Cesar Премиум every 10 days. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Lighting Calculations | Cesar Премиум |
| --- | --- | --- |
| 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 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 224 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Cesar Satellite](https://appshunter.io/developer/525227161) |

## What reviewers say

### Lighting Calculations

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

This app transforms your smartphone into a comprehensive lighting design tool. It offers advanced calculations for room lighting, LED analysis, and efficiency, alongside quick conversions and essential technical resources. Ensure your lighting projects meet all standards and optimize energy usage.

**Highlights:** Room lighting design calculations, LED analysis (lifespan, photobiological risk), Energy efficiency calculations, Photometric code decoding, Lumen, Lux, Candela, Watt conversions, Normative requirements and technical guides, Light quality metrics (CRI, UGR)

**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) | $89.99 | one-time |


### Cesar Премиум

[App page](https://appshunter.io/ios/app/cesar/id6807186377)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lighting Calculations free?

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

### Is Cesar Премиум free?

Cesar Премиум is free to download, with no in-app purchases.

### Do Lighting Calculations or Cesar Премиум have ads?

Lighting Calculations shows ads; Cesar Премиум does not.

### Which is updated more often, Lighting Calculations or Cesar Премиум?

Lighting Calculations ships an update every 5 weeks, and Cesar Премиум every 10 days. Most recently, Lighting Calculations was updated on October 3, 2026 and Cesar Премиум on October 12, 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.*