Comparison

Helys vs Sunshine D3

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Helys

Features
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I am Helys, your companion for maintaining optimal vitamin D levels and help you create a healthy and effective habit of safe sun exposure. I am here to empower you and help you harness the power of sunlight for your overall well-being. Main Features: โ€” Vitamin D Tracking I use a scientific formula which considers your skin type, geographical location, time of day, weather conditions and UV index to provide personalized insights on safe sun exposure durations. โ€” Personalized Sunscreen Reminders I will remind you to apply sunscreen based on your skin type and current UV index. โ€” Progress Insights and Reports I want to take care of you and ensure you're meeting your recommended levels of vitamin D. โ€” User-Friendly Interface I have an intuitive interface, which makes it simple and effortless to navigate and track your vitamin D levels. Disclaimer: I do not provide medical advice. Always consult with a healthcare professional for personalized guidance regarding your vitamin D levels and sun exposure habits.

About

Sunshine D3

Features
Read full description

It helps you determine the optimal time to get vitamin D3 when sunbathing. It also provides information about the relationship between the sun and vitamin D3. It helps you avoid sun damage.

Screenshots

Helys4 screens
Sunshine D34 screens

Verdict

The call

The clearest difference is ads: Helys at none against Sunshine D3's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Helys ships an update every 3 months, Sunshine D3 every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard1 real difference ยท 5 level
Helys versus Sunshine D3: the parameters behind the verdict, then further details
ParameterHelysSunshine D3
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 months โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPod โ€” better
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size3 MB9 MB
Age rating12+4+
DeveloperAntonio PalombaIhsan Gercelman

In-app purchases

None

Helys

No in-app purchases

None

Sunshine D3

No in-app purchases

Questions

Is Helys free?
Helys is free to download, with no in-app purchases.
Is Sunshine D3 free?
Sunshine D3 is free to download, with no in-app purchases.
Do Helys or Sunshine D3 have ads?
Sunshine D3 shows ads; Helys does not.
Which is updated more often, Helys or Sunshine D3?
Helys ships an update every 3 months, and Sunshine D3 every 2 months. Most recently, Helys was updated on October 27, 2026 and Sunshine D3 on October 28, 2026.

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