# Real Solar System vs Heliosphere

The clearest difference is rating: Heliosphere at 3.0 against Real Solar System's 1.0. Heliosphere also leads on update cadence (every 3 days vs monthly). Real Solar System's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Heliosphere sells 3 one-off in-app purchases. Real Solar System asks for nothing beyond the download.

Heliosphere holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Real Solar System ships an update monthly, Heliosphere every 3 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Real Solar System | Heliosphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/real-solar-system/id6475644962/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/heliosphere-solar-system/id6757491622/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 302 MB | 37 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Masaya Nagaoka](https://appshunter.io/developer/1698240335) | [CHUNGKIL KIM](https://appshunter.io/developer/960187999) |

## What reviewers say

### Real Solar System

[App page](https://appshunter.io/ios/app/real-solar-system/id6475644962)

Explore a realistic solar system simulation using augmented reality. View the orbits of planets and celestial bodies based on real-time data, with adjustable speeds and zoom functions. Discover different objects and learn about their positions in space.

**Highlights:** Realistic AR solar system simulation, Orbits of 8 planets displayed, Realistic planet textures, Planet positions based on real values, Adjustable speed and zoom, Changeable celestial objects

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Real Solar System free?

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

### Is Heliosphere free?

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

### Which has better reviews, Real Solar System or Heliosphere?

Heliosphere is rated higher. Real Solar System averages 1.0 out of 5 from 1 ratings, while Heliosphere averages 3.0 from 2 ratings.

### Do Real Solar System or Heliosphere have ads?

Neither Real Solar System nor Heliosphere shows ads.

### Which is updated more often, Real Solar System or Heliosphere?

Real Solar System ships an update monthly, and Heliosphere every 3 days. Most recently, Real Solar System was updated on November 4, 2026 and Heliosphere on November 5, 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.*