# Heliosphere vs EarthPhase

The clearest difference is rating: EarthPhase at 5.0 against Heliosphere's 3.0. Heliosphere's advantage is device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Heliosphere sells 3 one-off in-app purchases and EarthPhase sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

EarthPhase holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

## The numbers

| Metric | Heliosphere | EarthPhase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/heliosphere-solar-system/id6757491622/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/earthphase/id6759940394/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | Free |
| Size | 37 MB | 40 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHUNGKIL KIM](https://appshunter.io/developer/960187999) | [Nathan Coleman](https://appshunter.io/developer/1881786388) |

## What reviewers say

### Heliosphere

[App page](https://appshunter.io/ios/app/heliosphere-solar-system/id6757491622)

Explore a real-time 3D simulation of the solar system, planets, moons, and spacecraft using accurate astronomical data. Learn about celestial bodies and space missions with educational content and quizzes.

**Highlights:** Real-time 3D solar system simulation, Live spacecraft tracking, Deep sky exploration, Comprehensive astronomy education, Time travel from 1900 to 2100, Planet-centric viewing mode

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Coffee | $2.99 | one-time |
| 3 Coffees | $8.99 | one-time |
| 5 Coffees | $14.99 | one-time |


### 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 Heliosphere free?

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

### Is EarthPhase free?

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

### Which has better reviews, Heliosphere or EarthPhase?

EarthPhase is rated higher. Heliosphere averages 3.0 out of 5 from 2 ratings, while EarthPhase averages 5.0 from 3 ratings.

### Do Heliosphere or EarthPhase have ads?

Neither Heliosphere 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.*