# PV Calculator Lite Version vs iLuma

The clearest difference is iOS requirement: PV Calculator Lite Version at 13.4 against iLuma's 18.5. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for PV Calculator Lite Version against 5.0 for iLuma. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | PV Calculator Lite Version | iLuma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/iluma/id6756287912/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | Free |
| Size | 38 MB | 146 MB |
| Requires iOS | **13.4** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sven Schwertner](https://appshunter.io/developer/1700478261) | [KAMRAN RAFIQ AHMADOV](https://appshunter.io/developer/1859868267) |

## What reviewers say

### PV Calculator Lite Version

[App page](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012)

Estimate the potential of solar energy generation at your location. This tool offers detailed calculations for electricity fed into the grid, purchased electricity, annual savings, and payback time. It features site-specific solar irradiance and hourly resolution for accurate production and storage planning.

**Highlights:** Calculate electricity fed into grid and purchased, Estimate annual savings and payback time, Site-specific solar irradiance data, Hourly resolution for production and storage, Define PV modules, inverters, and load profiles, Automatic optimal orientation determination, Roof area measurement and panel positioning

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

**In-app purchases:** none


### iLuma

[App page](https://appshunter.io/ios/app/iluma/id6756287912)

This app transforms daily planning and study sessions into an immersive, rewarding experience. It helps you organize your time, track progress, and build a personalized universe through consistent focus, gamifying productivity.

**Highlights:** Daily calendar and to-do list, Progress tracking with sun tracker, Gamified focus sessions with planets, Flexible and Strict focus modes, Universe building with solar systems and constellations, Habit building and consistency visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PV Calculator Lite Version free?

PV Calculator Lite Version is free to download, with no in-app purchases.

### Is iLuma free?

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

### Which has better reviews, PV Calculator Lite Version or iLuma?

PV Calculator Lite Version and iLuma are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do PV Calculator Lite Version or iLuma have ads?

Neither PV Calculator Lite Version nor iLuma shows ads.

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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.*