# Sweat Score vs SunSpan

The clearest difference is update cadence: SunSpan at every 2 days against Sweat Score's every 3 months. SunSpan also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Sweat Score ships an update every 3 months, SunSpan every 2 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sweat Score | SunSpan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sunspan/id6761731642/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mock Gravity](https://appshunter.io/developer/1723633565) | [Mykhailo Chelnokov](https://appshunter.io/developer/1891136089) |

## What reviewers say

### Sweat Score

[App page](https://appshunter.io/ios/app/sweat-score-activity-forecast/id6740766397)

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

**In-app purchases:** none


### SunSpan

[App page](https://appshunter.io/ios/app/sunspan/id6761731642)

Visualize an entire year of daylight, sunrise, sunset, and twilight on a single, intuitive chart. Easily inspect daily solar times and phases by tapping or dragging across the visual representation. Offers detailed insights into seasonal changes and astronomical events.

**Highlights:** Full-year daylight chart, Eight-stop twilight gradient, Inspect daily solar times, DST transitions marked, Location picker via map/GPS, Automatic time zone resolution

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

**In-app purchases:** none


## Frequently asked questions

### Is Sweat Score free?

Sweat Score is free to download, with no in-app purchases.

### Is SunSpan free?

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

### Do Sweat Score or SunSpan have ads?

Neither Sweat Score nor SunSpan shows ads.

### Which is updated more often, Sweat Score or SunSpan?

Sweat Score ships an update every 3 months, and SunSpan every 2 days. Most recently, Sweat Score was updated on October 8, 2026 and SunSpan on October 24, 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.*