# Hello Sun vs Sun Light

The clearest difference is rating: Hello Sun at 5.0 against Sun Light's 4.5. Hello Sun also leads on iOS requirement (13.0 vs 17.0). Sun Light's advantage is monetization model (free vs freemium). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Hello Sun sells 2 in-app purchases, starting at $3.99 per month and Sun Light sells 3 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

Hello Sun holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Hello Sun ships an update weekly, Sun Light every 8 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Hello Sun | Sun Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hello-sun-vitamin-d-tracker/id6756599125/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/sun-light-daylight-tracker/id6760528131/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Freemium | **Free** |
| Size | 62 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kyle Brammer](https://appshunter.io/developer/1861694771) | [JAMES JAY QUACKENBUSH](https://appshunter.io/developer/1884817957) |

## What reviewers say

### Hello Sun

[App page](https://appshunter.io/ios/app/hello-sun-vitamin-d-tracker/id6756599125)

Track vitamin D intake from sunlight and supplements with safe, burn-aware timers. Offers personalized estimates and weekly progress tracking, adapting to your skin and location for optimal sun exposure.

**Highlights:** Safe sun session timers, Vitamin D IU estimates, Log supplements and sun, Adaptive acclimation, Weekly progress tracking, UV forecast planning, Winter Mode support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hello Sun Plus Monthly Subscription | $3.99 | per month |
| Hello Sun Plus Yearly Subscription | $29.99 | per year |


### Sun Light

[App page](https://appshunter.io/ios/app/sun-light-daylight-tracker/id6760528131)

Track your daily sunlight exposure with this simple app. It uses your Apple Watch data to fill a daily progress ring, track streaks, and show your history. Enjoy a straightforward approach to monitoring your time spent outdoors.

**Highlights:** Daily daylight progress ring, Streak tracking, 7-day history chart, Morning, afternoon, and evening breakdown, Custom daily goal, Sunrise and sunset times, Home and lock screen widgets

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sun Light Pro | $24.99 | per year |
| Tip | $4.99 | one-time |
| Sun Light Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Hello Sun free?

Hello Sun is free to download, with in-app purchases available.

### Is Sun Light free?

Sun Light is free to download, with in-app purchases available.

### Which has better reviews, Hello Sun or Sun Light?

Hello Sun is rated higher. Hello Sun averages 5.0 out of 5 from 1 ratings, while Sun Light averages 4.5 from 2 ratings.

### Do Hello Sun or Sun Light have ads?

Neither Hello Sun nor Sun Light shows ads.

### Which is updated more often, Hello Sun or Sun Light?

Hello Sun ships an update weekly, and Sun Light every 8 days. Most recently, Hello Sun was updated on October 12, 2026 and Sun Light on October 8, 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.*