# SunSpan vs Windrose Radar

The clearest difference is in-app purchases: SunSpan at none against Windrose Radar's 2. SunSpan also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Windrose Radar sells 2 in-app purchases, starting at $4.99 per month. SunSpan asks for nothing beyond the download.

SunSpan ships an update every 2 days, Windrose Radar every 3 days. The most recent releases landed on September 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SunSpan | Windrose Radar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sunspan/id6761731642/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Free | — |
| Size | 6 MB | 23 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mykhailo Chelnokov](https://appshunter.io/developer/1891136089) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## 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


### Windrose Radar

[App page](https://appshunter.io/ios/app/windrose-radar/id6777787924)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is SunSpan free?

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

### Is Windrose Radar free?

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

### Do SunSpan or Windrose Radar have ads?

Windrose Radar shows ads; SunSpan does not.

### Which is updated more often, SunSpan or Windrose Radar?

SunSpan ships an update every 2 days, and Windrose Radar every 3 days. Most recently, SunSpan was updated on September 25, 2026 and Windrose Radar on October 15, 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.*