# Luminosys vs Candela

The clearest difference is rating: Luminosys at 4.3 against Candela's 2.0. Luminosys also leads on ratings volume (10 vs 1). Candela's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Luminosys holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Luminosys has 10 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Luminosys | Candela |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (10 ratings)](https://appshunter.io/ios/app/luminosys-light-meter/id6476405389/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/candela-light-meter/id6786019367/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 3 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Melissa Zwick](https://appshunter.io/developer/1616726350) | [Snizhana Babytska](https://appshunter.io/developer/6786019369) |

## What reviewers say

### Luminosys

[App page](https://appshunter.io/ios/app/luminosys-light-meter/id6476405389)

Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.

**Highlights:** Measures light in Lux, Measures light in Foot Candles (FC), Uses phone camera for accuracy, Easy to use interface, Suitable for photography, Useful for indoor gardening

**In-app purchases:** none


### Candela

[App page](https://appshunter.io/ios/app/candela-light-meter/id6786019367)

This utility app transforms your iPhone camera into a versatile light meter. It provides real-time readings for illuminance, exposure value, and color temperature, catering to photography, plant care, and room lighting needs. The app prioritizes user privacy with on-device processing and no data collection.

**Highlights:** Live illuminance (lux/foot-candles), Exposure Value (EV) and exposure triangle solver, Color temperature readout, Plant light conversion (PPFD, DLI), Room lighting recommendations, On-device calibration, Spot saving and history

**In-app purchases:** none


## Frequently asked questions

### Is Luminosys free?

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

### Is Candela free?

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

### Which has better reviews, Luminosys or Candela?

Luminosys is rated higher. Luminosys averages 4.3 out of 5 from 10 ratings, while Candela averages 2.0 from 1 ratings.

### Do Luminosys or Candela have ads?

Luminosys shows ads; Candela 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.*