# Prism-Sunlight Tracker — Track Sun Exposure & Vitamin D

> Track Sun Exposure & Vitamin D (iPhone/iPad app by 剑炜 陈.)

- Source: https://appshunter.io/ios/app/prism-sunlight-tracker/id6758259341 (this page in markdown: same URL + `.md`)
- Developer: [剑炜 陈](https://appshunter.io/developer/1868267178)
- Category: Health & Fitness, Weather
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 3 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-02-01
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/prism-sunlight-tracker/id6758259341/reviews.md

## What is Prism?

Prism is an elegant utility that transforms your daily sunlight exposure into a journey of discovery. By syncing seamlessly with your Apple Watch, Prism helps you balance your light intake and well-being effortlessly.

Key Features 1 Seamless Apple Watch Integration. Automatically syncs Time in Daylight using Apple Watch ambient light sensors for a hands-free tracking experience. 2 Dynamic iPhone Widgets. Stay connected with beautiful Home Screen and Lock Screen widgets that show your progress at a glance. 3 Spirit Evolution. Your sunlight data nourishes unique Spirits. Unlock various visual forms as they evolve based on your daily activity. 4 Environmental Insights. View real-time local UV Index and sunset data to plan your outdoor day safely. 5 Secure HealthKit Sync. Prism integrates deeply with the Apple Health app to store and visualize your light exposure data securely.

Disclaimer. All data is for informational purposes only. Please consult a professional before making health decisions.

information about the auto-renewable nature of the Premium Subscription:

Subscription period: 1 month.

Price: $1.99 per month (or local equivalent).

Payment will be charged to iTunes Account at confirmation of purchase.

Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.

Account will be charged for renewal within 24-hours prior to the end of the current period.

Terms of Use (EULA): [https://superficial-restaurant-956.notion.site/Privacy-Policy-2f3f52245d5580b1ae9ac299a0408cff?source=copy_link].

Privacy Policy: [https://superficial-restaurant-956.notion.site/Terms-of-Use-EULA-2f3f52245d558073aa26f42eb6149f80?source=copy_link].

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Prism Premium (Monthly) | $1.99 | per month |



## Version history (last 3 releases)

### 3.0 — 2026-02-22

Offer code redemption — Redeem promo codes directly on the subscription screen. Tap "Redeem offer code" to enter your code and unlock Prism Premium.

### 2.0 — 2026-02-20

Daily Goal — Set a target (20, 30, or 60 minutes) and see your progress on the home screen and widget.
Sunset Reminder — Get notified 30 minutes, 1 hour, or 2 hours before sunset so you never miss the golden hour.
Share as Image — Turn your daily minutes into a shareable card and save to Photos or share with friends.
Archive & Streak — View your history by date, week, or month. See your total, daily average, and current streak of days hitting your goal.\n\nSettings — New Settings page to manage your daily goal, sunset reminder, and to learn how Prism uses your Apple Watch for sunlight data.
Visual Polish — Smoother, more refined light effects across all spirit styles.

### 1.0 — 2026-02-01

No release notes.

## More apps by 剑炜 陈

- [LumberFit](https://appshunter.io/ios/app/lumberfit/id6757940921)
- [MicroHabit - Daily Tracker](https://appshunter.io/ios/app/microhabit-daily-tracker/id6757958698)
- [MathLab Kids](https://appshunter.io/ios/app/mathlab-kids/id6758306333)
- [HomeCare Tracker](https://appshunter.io/ios/app/homecare-tracker/id6758888242)
- [SpeechSee](https://appshunter.io/ios/app/speechsee/id6758912846)

All apps by 剑炜 陈: https://appshunter.io/developer/1868267178

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*