# Multiplanetary Life vs Heliosphere

The clearest difference is review sentiment: Multiplanetary Life at 100% against Heliosphere's 50%. Multiplanetary Life also leads on rating (4.6 vs 3.0) and in-app purchases (none vs 3). Heliosphere's advantage is update cadence (every 3 days vs every 3 months) and device support (3 vs 1). 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. Multiplanetary Life asks for nothing beyond the download.

Multiplanetary Life holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 100% of Multiplanetary Life's written reviews are positive against 50% of Heliosphere's.

Multiplanetary Life ships an update every 3 months, Heliosphere every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Multiplanetary Life | Heliosphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/multiplanetary-life/id1670768848/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/heliosphere-solar-system/id6757491622/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 56 MB | 37 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Vision Pro** |
| Age rating | 17+ | 4+ |
| Developer | [Marcus Grant](https://appshunter.io/developer/1616306440) | [CHUNGKIL KIM](https://appshunter.io/developer/960187999) |

## What reviewers say

### Multiplanetary Life

[App page](https://appshunter.io/ios/app/multiplanetary-life/id1670768848)

Explore the planets of our Solar System with interactive quizzes and detailed descriptions. Learn about notable rockets and rovers, making astronomy engaging for young learners.

**Highlights:** Planet exploration, Interactive quizzes, Detailed descriptions, Rocket information, Rover information, Solar System learning

**Features:** macOS Compatibility

**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 Multiplanetary Life free?

Multiplanetary Life 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, Multiplanetary Life or Heliosphere?

Multiplanetary Life is rated higher. Multiplanetary Life averages 4.6 out of 5 from 5 ratings, while Heliosphere averages 3.0 from 2 ratings.

### Do Multiplanetary Life or Heliosphere have ads?

Neither Multiplanetary Life nor Heliosphere shows ads.

### Which is updated more often, Multiplanetary Life or Heliosphere?

Multiplanetary Life ships an update every 3 months, and Heliosphere every 3 days. Most recently, Multiplanetary Life was updated on October 24, 2026 and Heliosphere on October 24, 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.*