# SunSpan vs Foreign Weather

The clearest difference is in-app purchases: SunSpan at none against Foreign Weather's 1. SunSpan also leads on update cadence (every 2 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Foreign Weather sells 1 one-off in-app purchase. SunSpan asks for nothing beyond the download.

SunSpan ships an update every 2 days, Foreign Weather every 3 months. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | SunSpan | Foreign 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mykhailo Chelnokov](https://appshunter.io/developer/1891136089) | [WENDELL JACINTO PEREIRA](https://appshunter.io/developer/6788461256) |

## 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


### Foreign Weather

[App page](https://appshunter.io/ios/app/foreign-weather/id6788461254)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Unlock | $4.99 | one-time |


## Frequently asked questions

### Is SunSpan free?

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

### Is Foreign Weather free?

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

### Do SunSpan or Foreign Weather have ads?

Neither SunSpan nor Foreign Weather shows ads.

### Which is updated more often, SunSpan or Foreign Weather?

SunSpan ships an update every 2 days, and Foreign Weather every 3 months. Most recently, SunSpan was updated on November 5, 2026 and Foreign Weather on November 10, 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.*