Best apps like Sunshine D3

9+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated October 2026

Sunshine D3 is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Sunshine D3

More apps like Sunshine D3

4
SunSync - Circadian Tracker
SunSync - Circadian Tracker
SunSync - Circadian Tracker
Boost energy and sleep better
Free
💪 Health & Fitness
(0)
5
RayDay: Vitamin D Tracker
RayDay: Vitamin D Tracker
RayDay: Vitamin D Tracker
Less Pills, More Sunshine
Free

This app calculates your daily window for natural Vitamin D production based on your location and skin type. It provides solar path visualization, forecasts, and atmospheric data to help you optimize sun exposure safely.

D-Window CalculatorLive Solar Path visualization7-Day D-Window Forecast
💪 Health & Fitness
(2)
free
6
Sunshine — Vitamin D Tracker
Sunshine — Vitamin D Tracker
Sunshine — Vitamin D Tracker
Sunscreen Timer, SPF & UV
Free

Effortlessly track your daily natural light exposure to optimize vitamin D production and improve sleep. Get personalized safe sun timers and daily goals to build healthy outdoor habits.

Automatic Apple Watch trackingVitamin D estimationPersonalized safe sun timer
💪 Health & Fitness
(7)
free with in-app purchases
7
Commito - Water&Caffeine Track
Commito - Water&Caffeine Track
Commito - Water&Caffeine Track
Daily Water & Caffeine Tracker
Free

Easily monitor your daily fluid intake, including water and caffeine. Set personalized daily goals for water consumption and caffeine limits. Receive timely reminders to help you stay hydrated and build healthy habits.

Track water intakeTrack caffeine intakeSet daily water goals
💪 Health & Fitness
(1)
free
8
BuffMeter: Weight Loss Tracker
BuffMeter: Weight Loss Tracker
BuffMeter: Weight Loss Tracker
Body Fat & BMI Calculator
Free

This app uses AI to analyze your physique from a photo, providing detailed scores for muscle groups and an overall fitness level. It also generates AI-powered visualizations of your potential future body based on your goals and offers personalized daily targets for health habits.

AI physique analysis from photosIndividual muscle group scoringAI-generated future physique visualization
💪 Health & Fitness
(7)
free with in-app purchases
9
Golden: UV Index & Tan Timer
Golden: UV Index & Tan Timer
Golden: UV Index & Tan Timer
Track UV, Tanning & Vitamin D
Free

This app helps you safely enjoy sunny days by tracking real-time UV index and providing a smart tanning timer. It personalizes estimates based on your skin type and SPF, logging sessions to health data. Widgets offer at-a-glance UV information and hourly forecasts.

Real-time UV index trackingSmart tanning timer with flip remindersPersonalized safety estimates
💪 Health & Fitness
(1)
freemium