# Solar System (Lite) vs Planet Fun

The clearest difference is rating: Planet Fun at 4.8 against Solar System (Lite)'s 4.5. Planet Fun also leads on update cadence (every 4 weeks vs every 3 months) and device support (3 vs 1). Solar System (Lite)'s advantage is iOS requirement (8.0 vs 11.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Planet Fun holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 23 and 8 respectively.

Solar System (Lite) ships an update every 3 months, Planet Fun every 4 weeks. The most recent releases landed on July 6, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Solar System (Lite) | Planet Fun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (23 ratings)](https://appshunter.io/ios/app/solar-system-lite/id593614944/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/planet-fun/id1525941640/reviews)** |
| Number of ratings | **23** | 8 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 91 MB | 161 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vosonos LLC](https://appshunter.io/developer/578659631) | [Omar reis](https://appshunter.io/developer/687921629) |

## What reviewers say

### Solar System (Lite)

[App page](https://appshunter.io/ios/app/solar-system-lite/id593614944)

Explore the Solar System with interactive simulations and size comparisons. This educational app makes learning about planets, galaxies, and space exploration engaging for children. It offers a kid-friendly interface with no ads or in-app purchases.

**Highlights:** Interactive simulations, Size comparisons of celestial bodies, Planetary orbital speed visualization, Covers Milky Way, Sun, planets, dwarf planets, Kid-friendly navigation, No ads or in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


### Planet Fun

[App page](https://appshunter.io/ios/app/planet-fun/id1525941640)

Explore a 4D solar system simulation with accurate astronomical calculations for planets, moons, and stars. Interact with the celestial bodies using touch gestures, set any date and time, and even view your GPS position in augmented reality.

**Highlights:** 4D solar system simulation, Configurable animation speed, Augmented reality mode, Almanac module with ephemeris calculators, Touch gesture controls, Star and constellation visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar System (Lite) free?

Solar System (Lite) is free to download, with no in-app purchases.

### Is Planet Fun free?

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

### Which has better reviews, Solar System (Lite) or Planet Fun?

Planet Fun is rated higher. Solar System (Lite) averages 4.5 out of 5 from 23 ratings, while Planet Fun averages 4.8 from 8 ratings.

### Do Solar System (Lite) or Planet Fun have ads?

Neither Solar System (Lite) nor Planet Fun shows ads.

### Which is updated more often, Solar System (Lite) or Planet Fun?

Solar System (Lite) ships an update every 3 months, and Planet Fun every 4 weeks. Most recently, Solar System (Lite) was updated on July 6, 2026 and Planet Fun on June 4, 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.*