# JINOU UVMeter vs Hoya Sensor

The clearest difference is update cadence: JINOU UVMeter at every 2 months against Hoya Sensor's every 28 months. 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.

JINOU UVMeter ships an update every 2 months, Hoya Sensor every 28 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JINOU UVMeter | Hoya Sensor |
| --- | --- | --- |
| 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 2 months** | Every 28 months |
| Monetization | — | Free |
| Size | 1 MB | 31 MB |
| Requires iOS | **10.2** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chongqing Jin'Ou Technology Development Co., Ltd.](https://appshunter.io/developer/1715258511) | [Hoya Vision Care Europe](https://appshunter.io/developer/492618708) |

## What reviewers say

### JINOU UVMeter

[App page](https://appshunter.io/ios/app/jinou-uvmeter/id1176842920)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is JINOU UVMeter free?

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

### Is Hoya Sensor free?

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

### Do JINOU UVMeter or Hoya Sensor have ads?

Neither JINOU UVMeter nor Hoya Sensor shows ads.

### Which is updated more often, JINOU UVMeter or Hoya Sensor?

JINOU UVMeter ships an update every 2 months, and Hoya Sensor every 28 months. Most recently, JINOU UVMeter was updated on October 3, 2026 and Hoya Sensor on October 11, 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.*