# UV Analyzer vs Optris calculator

The clearest difference is device support: Optris calculator at 3 against UV Analyzer's 1. Optris calculator also leads on iOS requirement (12.0 vs 18.6). 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 13, 2026 and December 3, 2025 respectively.

## The numbers

| Metric | UV Analyzer | Optris calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 22 MB | 31 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IST METZ GmbH & Co.KG](https://appshunter.io/developer/1738222448) | [Optris GmbH](https://appshunter.io/developer/1619077973) |

## What reviewers say

### UV Analyzer

[App page](https://appshunter.io/ios/app/uv-analyzer/id1449450187)

**Features:** Vision Pro support

**In-app purchases:** none


### Optris calculator

[App page](https://appshunter.io/ios/app/optris-calculator/id1619077971)

**In-app purchases:** none


## Frequently asked questions

### Is UV Analyzer free?

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

### Is Optris calculator free?

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

### Do UV Analyzer or Optris calculator have ads?

Neither UV Analyzer nor Optris calculator shows ads.

### Which is updated more often, UV Analyzer or Optris calculator?

UV Analyzer ships an update every 2 months, and Optris calculator every 2 months. Most recently, UV Analyzer was updated on September 13, 2026 and Optris calculator on December 3, 2025.

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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.*