# Uchimizu de GO! vs 紫外線予報 UV

The clearest difference is in-app purchases: Uchimizu de GO! at none against 紫外線予報 UV's 4. Uchimizu de GO! also leads on iOS requirement (11.0 vs 15.6). 紫外線予報 UV's advantage is update cadence (every 6 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. 紫外線予報 UV sells 4 one-off in-app purchases. Uchimizu de GO! asks for nothing beyond the download.

Uchimizu de GO! ships an update every 7 months, 紫外線予報 UV every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Uchimizu de GO! | 紫外線予報 UV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uv/id1529084441/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 68 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yoshihito sakagami](https://appshunter.io/developer/1112518506) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### Uchimizu de GO!

[App page](https://appshunter.io/ios/app/uchimizu-de-go/id1233722167)

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

**In-app purchases:** none


### 紫外線予報 UV

[App page](https://appshunter.io/ios/app/uv/id1529084441)

This app provides hourly UV index forecasts and analysis maps, making it easy to check UV radiation levels. It offers current location UV information, daily UV data, and quick access to national weather conditions.

**Highlights:** Hourly UV index forecasts, Analysis maps, Current location UV info, Daily UV data, National weather conditions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is Uchimizu de GO! free?

Uchimizu de GO! is free to download, with no in-app purchases.

### Is 紫外線予報 UV free?

紫外線予報 UV is free to download, with in-app purchases available.

### Do Uchimizu de GO! or 紫外線予報 UV have ads?

Both Uchimizu de GO! and 紫外線予報 UV show ads.

### Which is updated more often, Uchimizu de GO! or 紫外線予報 UV?

Uchimizu de GO! ships an update every 7 months, and 紫外線予報 UV every 6 weeks. Most recently, Uchimizu de GO! was updated on November 2, 2026 and 紫外線予報 UV on November 3, 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.*