# Luminosys vs Soyla

The clearest difference is rating: Soyla at 5.0 against Luminosys's 4.3. Soyla also leads on ads (none vs shown) and update cadence (every 3 days vs every 19 months). Luminosys's advantage is in-app purchases (none vs 3) and ratings volume (10 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Soyla sells 3 in-app purchases, starting at $16.99 per month. Luminosys asks for nothing beyond the download.

Soyla holds the better App Store score, 5.0 against 4.3. 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.

Luminosys ships an update every 19 months, Soyla every 3 days. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Luminosys | Soyla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/luminosys-light-meter/id6476405389/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/soyla-teleprompter/id6812049143/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 3 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 3 MB | 32 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Melissa Zwick](https://appshunter.io/developer/1616726350) | [Raisedash](https://appshunter.io/developer/1895383410) |

## 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


### Soyla

[App page](https://appshunter.io/ios/app/soyla-teleprompter/id6812049143)

Record yourself while reading a script with this teleprompter app. It offers customizable scrolling speeds, voice-following capabilities, and built-in video recording and editing tools. Scripts are stored locally and can be imported from various document formats.

**Highlights:** Voice-following script scrolling, Customizable reading speeds, Import scripts from documents, Built-in video recording, Video trimming and editing, No watermarks or prompt overlays

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soyla Pro Monthly | $16.99 | per month |
| Soyla Pro Yearly | $59.99 | per year |
| Soyla Pro Lifetime | $109.99 | one-time |


## Frequently asked questions

### Is Luminosys free?

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

### Is Soyla free?

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

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

Soyla is rated higher. Luminosys averages 4.3 out of 5 from 10 ratings, while Soyla averages 5.0 from 1 ratings.

### Do Luminosys or Soyla have ads?

Luminosys shows ads; Soyla does not.

### Which is updated more often, Luminosys or Soyla?

Luminosys ships an update every 19 months, and Soyla every 3 days. Most recently, Luminosys was updated on November 4, 2026 and Soyla on November 10, 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.*