# SkySort vs SunSpan

The clearest difference is update cadence: SunSpan at every 2 days against SkySort's every 6 weeks. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for SkySort against 5.0 for SunSpan. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

SkySort ships an update every 6 weeks, SunSpan every 2 days. The most recent releases landed on September 27, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | SkySort | SunSpan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/skysort/id6753662873/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sunspan/id6761731642/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free | Free |
| Size | 13 MB | 6 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Carlson](https://appshunter.io/developer/1787798578) | [Mykhailo Chelnokov](https://appshunter.io/developer/1891136089) |

## What reviewers say

### SkySort

[App page](https://appshunter.io/ios/app/skysort/id6753662873)

Instantly identify cloud types using AI-powered image recognition. Snap a photo of the sky to discover detailed information about various cloud formations and their associated weather conditions. Save your observations and track your cloud spotting progress.

**Highlights:** AI cloud type recognition, Photo import and capture, Detailed cloud information, Weather data integration, Observation saving and tracking, Offline capability, Cloud encyclopedia

**Features:** 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 SkySort free?

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

### Is SunSpan free?

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

### Which has better reviews, SkySort or SunSpan?

SkySort and SunSpan are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SkySort or SunSpan have ads?

Neither SkySort nor SunSpan shows ads.

### Which is updated more often, SkySort or SunSpan?

SkySort ships an update every 6 weeks, and SunSpan every 2 days. Most recently, SkySort was updated on September 27, 2026 and SunSpan on July 6, 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.*