# SunSpan vs Mooncaster

The clearest difference is in-app purchases: SunSpan at none against Mooncaster's 3. SunSpan also leads on update cadence (every 2 days vs every 5 days) and iOS requirement (16.0 vs 18.0). Mooncaster's advantage is ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Mooncaster sells 3 in-app purchases, starting at $0.99 per month. SunSpan asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SunSpan against 5.0 for Mooncaster. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

SunSpan ships an update every 2 days, Mooncaster every 5 days. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SunSpan | Mooncaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sunspan/id6761731642/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/mooncaster-moon-phase-tracker/id6788479459/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 34 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mykhailo Chelnokov](https://appshunter.io/developer/1891136089) | [Catspaw Systems LLC](https://appshunter.io/developer/412342440) |

## 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


### Mooncaster

[App page](https://appshunter.io/ios/app/mooncaster-moon-phase-tracker/id6788479459)

This app predicts promising moonrises by combining lunar data with local weather forecasts. It helps users find the best viewing times and locations, offering scores for astronomical and weather conditions. Plan your perfect moonlit experience with detailed alerts and interactive maps.

**Highlights:** Predicts promising moonrises, Combines lunar geometry with weather forecasts, Provides Astronomy, Weather, and Moonrise Scores, Offers interactive direction maps, Delivers custom and automatic alerts, Includes Home Screen Widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Mooncaster Subscription | $0.99 | per month |
| Mooncaster Annual Subscription | $9.99 | per year |
| Mooncaster Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is SunSpan free?

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

### Is Mooncaster free?

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

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

SunSpan and Mooncaster are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do SunSpan or Mooncaster have ads?

Neither SunSpan nor Mooncaster shows ads.

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

SunSpan ships an update every 2 days, and Mooncaster every 5 days. Most recently, SunSpan was updated on September 25, 2026 and Mooncaster on September 30, 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.*