# UV Analyzer vs ESP32 Control

The clearest difference is in-app purchases: UV Analyzer at none against ESP32 Control's 1. ESP32 Control's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ESP32 Control sells 1 one-off in-app purchase. UV Analyzer asks for nothing beyond the download.

UV Analyzer ships an update every 2 months, ESP32 Control every 4 days. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | UV Analyzer | ESP32 Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 22 MB | 4 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [IST METZ GmbH & Co.KG](https://appshunter.io/developer/1738222448) | [TRAVIS KIMANI CHRISTOPHER](https://appshunter.io/developer/1896028916) |

## What reviewers say

### UV Analyzer

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

**Features:** Vision Pro support

**In-app purchases:** none


### ESP32 Control

[App page](https://appshunter.io/ios/app/esp32-control/id6765663755)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $4.99 | one-time |


## Frequently asked questions

### Is UV Analyzer free?

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

### Is ESP32 Control free?

ESP32 Control is free to download, with in-app purchases available.

### Do UV Analyzer or ESP32 Control have ads?

Neither UV Analyzer nor ESP32 Control shows ads.

### Which is updated more often, UV Analyzer or ESP32 Control?

UV Analyzer ships an update every 2 months, and ESP32 Control every 4 days. Most recently, UV Analyzer was updated on October 1, 2026 and ESP32 Control on October 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.*