# Hoya Sensor vs ApiTracer Pro

The clearest difference is update cadence: ApiTracer Pro at every 2 months against Hoya Sensor's every 28 months. Hoya Sensor's advantage is iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and device support 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, ApiTracer Pro every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Hoya Sensor | ApiTracer Pro |
| --- | --- | --- |
| 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 2 months** |
| Monetization | Free | — |
| Size | 31 MB | 25 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hoya Holdings NV](https://appshunter.io/developer/492618708) | [Les Ruchers du Bassigny](https://appshunter.io/developer/1469883869) |

## 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


### ApiTracer Pro

[App page](https://appshunter.io/ios/app/apitracer-pro/id1547389153)

**Features:** 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 ApiTracer Pro free?

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

### Do Hoya Sensor or ApiTracer Pro have ads?

Neither Hoya Sensor nor ApiTracer Pro shows ads.

### Which is updated more often, Hoya Sensor or ApiTracer Pro?

Hoya Sensor ships an update every 28 months, and ApiTracer Pro every 2 months. Most recently, Hoya Sensor was updated on October 24, 2026 and ApiTracer Pro on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*