# Hello Sun vs SaltLess

The clearest difference is iOS requirement: Hello Sun at 13.0 against SaltLess's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hello Sun sells 2 in-app purchases, starting at $3.99 per month and SaltLess sells 3 in-app purchases, starting at $0.29 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Hello Sun | SaltLess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hello-sun-vitamin-d-tracker/id6756599125/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 62 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kyle Brammer](https://appshunter.io/developer/1861694771) | [胜荇 杨](https://appshunter.io/developer/1868445802) |

## 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 |


### SaltLess

[App page](https://appshunter.io/ios/app/saltless-sodium-tracker/id6760126086)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.29 | per month |
| Yearly Premium | $1.99 | per year |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Hello Sun free?

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

### Is SaltLess free?

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

### Do Hello Sun or SaltLess have ads?

Neither Hello Sun nor SaltLess shows ads.

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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.*