# SunSpan vs My Cool Weather

The clearest difference is update cadence: SunSpan at every 2 days against My Cool Weather's every 5 days. 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.

SunSpan ships an update every 2 days, My Cool Weather every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SunSpan | My Cool Weather |
| --- | --- | --- |
| 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 2 days** | Every 5 days |
| Monetization | Free | — |
| Size | 6 MB | 70 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mykhailo Chelnokov](https://appshunter.io/developer/1891136089) | [Kimi Lempinen](https://appshunter.io/developer/332424081) |

## What reviewers say

### 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


### My Cool Weather

[App page](https://appshunter.io/ios/app/my-cool-weather/id6766033049)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SunSpan free?

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

### Is My Cool Weather free?

My Cool Weather is free to download, with no in-app purchases.

### Do SunSpan or My Cool Weather have ads?

Neither SunSpan nor My Cool Weather shows ads.

### Which is updated more often, SunSpan or My Cool Weather?

SunSpan ships an update every 2 days, and My Cool Weather every 5 days. Most recently, SunSpan was updated on October 24, 2026 and My Cool Weather on October 25, 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.*