# Sunshine Pal vs Sunshine D3

The clearest difference is in-app purchases: Sunshine D3 at none against Sunshine Pal's 7. Sunshine D3 also leads on iOS requirement (15.0 vs 18.0). Sunshine Pal's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Sunshine Pal sells 7 in-app purchases, starting at $1.99 per 7 days. Sunshine D3 asks for nothing beyond the download.

Sunshine Pal ships an update every 9 days, Sunshine D3 every 2 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sunshine Pal | Sunshine D3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sunshine-pal-vitamind-tracker/id6755173558/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 9 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [帅 陈](https://appshunter.io/developer/1655624601) | [Ihsan Gercelman](https://appshunter.io/developer/1895469057) |

## What reviewers say

### Sunshine Pal

[App page](https://appshunter.io/ios/app/sunshine-pal-vitamind-tracker/id6755173558)

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.

**Highlights:** Automatic Apple Watch tracking, Vitamin D estimation, Personalized safe sun timer, Daily sunlight goals and scoring, Trends and insights, Home and Lock Screen widgets

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SunshinePal Premium Weekly | $1.99 | per 7 days |
| SunshinePal Premium Monthly Trial | $1.99 | per month |
| SunshinePal Premium Monthly | $3.99 | per month |
| SunshinePal Premium Yearly | $8.99 | per year |
| SunshinePal Premium Yearly Trial | $9.99 | per year |
| SunshinePal Premium Lifetime | $12.99 | one-time |
| SunshinePal Premium Lifetime | $17.99 | one-time |


### Sunshine D3

[App page](https://appshunter.io/ios/app/sunshine-d3/id6766470179)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sunshine Pal free?

Sunshine Pal is free to download, with in-app purchases available.

### Is Sunshine D3 free?

Sunshine D3 is free to download, with no in-app purchases.

### Do Sunshine Pal or Sunshine D3 have ads?

Sunshine D3 shows ads; Sunshine Pal does not.

### Which is updated more often, Sunshine Pal or Sunshine D3?

Sunshine Pal ships an update every 9 days, and Sunshine D3 every 2 months. Most recently, Sunshine Pal was updated on October 30, 2026 and Sunshine D3 on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*