# Solar System Clock vs EarthPhase

The clearest difference is in-app purchases: Solar System Clock at none against EarthPhase's 2. Solar System Clock also leads on device support (3 vs 1) and iOS requirement (16.6 vs 18.6). On price and ads there is nothing between them.

Both are free to download. EarthPhase sells 2 one-off in-app purchases. Solar System Clock asks for nothing beyond the download.

## The numbers

| Metric | Solar System Clock | EarthPhase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earthphase/id6759940394/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | — | Free |
| Size | 5 MB | 40 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mateusz Andrzejczuk](https://appshunter.io/developer/1158375886) | [Nathan Coleman](https://appshunter.io/developer/1881786388) |

## What reviewers say

### Solar System Clock

[App page](https://appshunter.io/ios/app/solar-system-clock/id6746730661)

**Features:** macOS Compatibility

**In-app purchases:** none


### EarthPhase

[App page](https://appshunter.io/ios/app/earthphase/id6759940394)

Explore a beautifully designed, interactive solar system with real-time celestial data. Track moon and Earth phases, view planet positions, and travel through time to discover cosmic events and facts.

**Highlights:** Interactive solar system map, Real-time moon and Earth phases, Home and lock screen widgets, Time travel slider for past/future events, Discover cosmic facts and mechanics, Accurate planet positions and orbits

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Tip | $4.99 | one-time |


## Frequently asked questions

### Is Solar System Clock free?

Solar System Clock is free to download, with no in-app purchases.

### Is EarthPhase free?

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

### Do Solar System Clock or EarthPhase have ads?

Neither Solar System Clock nor EarthPhase shows ads.

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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.*