# Hoya Sensor vs Unit Converter Superior

The clearest difference is iOS requirement: Hoya Sensor at 11.0 against Unit Converter Superior's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Hoya Sensor ships an update every 28 months, Unit Converter Superior every 21 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Hoya Sensor | Unit Converter Superior |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hoya-sensor/id1202812114/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 21 months** |
| Monetization | Free | — |
| Size | 31 MB | 58 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoya Holdings NV](https://appshunter.io/developer/492618708) | [Felix Peralta](https://appshunter.io/developer/1546086459) |

## What reviewers say

### Hoya Sensor

[App page](https://appshunter.io/ios/app/hoya-sensor/id1202812114)

This app educates patients about blue light and UV protection lenses through simulations and images. It also allows for measuring blue light and UV radiation from various sources with a special device.

**Highlights:** Blue light blocking lens explanation, Blue light and UV radiation measurement, Simulations and images, Patient education tool, UV protection lens benefits

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

**In-app purchases:** none


### Unit Converter Superior

[App page](https://appshunter.io/ios/app/unit-converter-superior/id1630757981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hoya Sensor free?

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

### Is Unit Converter Superior free?

Unit Converter Superior is free to download, with no in-app purchases.

### Do Hoya Sensor or Unit Converter Superior have ads?

Neither Hoya Sensor nor Unit Converter Superior shows ads.

### Which is updated more often, Hoya Sensor or Unit Converter Superior?

Hoya Sensor ships an update every 28 months, and Unit Converter Superior every 21 months. Most recently, Hoya Sensor was updated on October 24, 2026 and Unit Converter Superior on October 20, 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.*