SunAlly

SunAlly

Sun Exposure &VitD Enhancement

9 ratings
10 reviews
Free
In-App Purchases

Details

  • Released
  • Updated

Features

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About

This app helps you optimize your time outdoors for health benefits like vitamin D synthesis and improved well-being. It provides personalized recommendations, real-time UV monitoring, and smart reminders for safe and beneficial sun exposure.

Optimal outdoor activity time recommendations
Real-time UV level monitoring
Smart UV risk prevention reminders
Vitamin D synthesis estimation
Personalized health recommendations
Apple Health integration
HRV stress monitoring
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What's New in SunAlly

1.23.1

July 15, 2025

Bug fixes - Fixed the display issue of the dial component. Thanks for using SunAlly!

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Subscription plans

Premium SunAlly HRV Monthly

Premium SunAlly HRV Monthly Subscription

$4.991 Month
How to cancel SunAlly subscription ⁉️
2

In-App Purchases

$29.99

Premium SunAlly HRV Lifetime

Premium SunAlly HRV Mood Watch Lifetime

Events

Read more about UV Safe Spring Getaway

UV Safe Spring Getaway

Real-time UV alerts and travel-ready sun guidance

Apr 30, 2025 May 9, 2025

User reviews

Not worth the money

I’m No ability to enter Theraputic light time. I do mine from 4am to 5 am which the app considers ineffective sun exposure time for vitamin D synthesis and with no ability to enter it as Theraputic. Vitamin D tracking is useless. Also no ability for sunlight tracking from Apple Watch. HRV does not update either.
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Won’t measure outdoor activity

The app won’t measure outdoor activity and I can’t customize activity outside when it doesn’t read correctly

免费内购

能够免费解锁会员选项就好了

The Best Sun App

I downloaded about 10 different sun apps, and this is the best one for automatically tracking sun exposure using time in daylight on an Apple Watch. It calculates how much vitamin d you’re getting from the sun based on this metric. Right now, the only improvement I could see would be having the uv index be written to apple health when it notices that you are in the sun. Waiting for that feature, but enjoying the app.
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Great for outdoor activities

Love the app. Love all the features it has all work great. Just wash pro. version was not so expensive.

Developer apps

FAQ

What is SunAlly?

SunAlly is an intelligent sunlight companion designed to help users optimize their sun exposure for health benefits like vitamin D synthesis and overall well-being. It offers personalized recommendations and real-time monitoring.

Does SunAlly have ads?

No, SunAlly does not contain advertisements. The app is free to download and use, with optional premium features available through subscription.

What are the premium features of SunAlly?

Premium features include reviewing historical health status, weekly/monthly/yearly sunlight and Vitamin D trends, an extra HRV watch face character, and detailed Vitamin D supplement advice.

How does SunAlly integrate with Apple Health?

SunAlly deeply integrates with Apple Health, recording and analyzing health metrics such as sunlight exposure and HRV. This integration helps users stay informed about their body's condition and plan outdoor activities.

What devices does SunAlly support?

SunAlly is supported on both iPhone and Apple Watch, allowing for comprehensive tracking and convenient access to information.

How often is SunAlly updated?

The latest version of SunAlly is 1.23.1, and it was last updated on July 15, 2025. Updates typically occur to improve features and reliability.

What is the age rating for SunAlly?

SunAlly has an age rating of 4+, making it suitable for a wide range of users interested in health and wellness.

Can I cancel my SunAlly subscription?

Yes, subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage your subscriptions through your App Store account settings.