UV Forecast - Check UV Index
UV予報 - UV 紫外線予報を簡単にチェック
UV Forecast - Check UV Index is #97 in Weather Grossing in Japan and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperHodai Azeyanagi
CategoryWeather
PriceFree
Released
Rating★ 4.7 (1.8k)
Version2.0.2
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)50k+ worldwide
Rating
4.7 ★
1.8k ratings
Measured
Best rank now
#97
Weather GrossingMeasured
UV Forecast - Check UV Index on the App Store
App details
App ID
1530007125
Publisher
Hodai Azeyanagi
Content rating
4+
UV Forecast - Check UV Index downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where UV Forecast - Check UV Index's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | WeatherGrossing | #97 |
| Japan | WeatherFree | #101 |
Apps near UV Forecast - Check UV Index on the chart
Weather Grossing, around #97.
Ratings
App Store, worldwide.
Rating
4.7 ★
1.8k ratings
Measured
Ratings
1.8k
Measured
About UV Forecast - Check UV Index
UV index forecast app.
Check UV index before going out and protect yourself from tanning.
This app allows you to easily check the UV index every hour for today and tomorrow.
■ Features
- You can easily see the UV index at your current location in anywhere in the world.
- Depending on your skin color type, you can see how long it takes to get sunburned.
- Give you hourly UV Index forecast for today and tomorrow.
- The weather forecast is also displayed.
- Protect yourself from sunbeams and UV rays with our app.
■ Recent updates
- Added UV forecast for tomorrow.
- Modified features for multilingual users.
- Fixed minor bugs.
■ Future update
・Recommended products to help prevent UV rays
・Weekly UV forecast
・Widget function
・Advertisement removal
And so on!
If you have any requests, bug reports, etc., you can feedback from out app.
Please go to Settings tab > Others > Inquiry/Bug report.
■Terms of Use
Please review the Terms of Use before using the app.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
By downloading this app, you agree to the Terms of Use.
Check UV index before going out and protect yourself from tanning.
This app allows you to easily check the UV index every hour for today and tomorrow.
■ Features
- You can easily see the UV index at your current location in anywhere in the world.
- Depending on your skin color type, you can see how long it takes to get sunburned.
- Give you hourly UV Index forecast for today and tomorrow.
- The weather forecast is also displayed.
- Protect yourself from sunbeams and UV rays with our app.
■ Recent updates
- Added UV forecast for tomorrow.
- Modified features for multilingual users.
- Fixed minor bugs.
■ Future update
・Recommended products to help prevent UV rays
・Weekly UV forecast
・Widget function
・Advertisement removal
And so on!
If you have any requests, bug reports, etc., you can feedback from out app.
Please go to Settings tab > Others > Inquiry/Bug report.
■Terms of Use
Please review the Terms of Use before using the app.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
By downloading this app, you agree to the Terms of Use.
Latest updates
2.0.2
・Fix minor bugs