# Planet Fun vs Solar System&Celestial Objects

The clearest difference is ads: Planet Fun at none against Solar System&Celestial Objects's shown. On price, update cadence, in-app purchases and device support 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 ships an update every 4 weeks, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on September 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Planet Fun | Solar System&Celestial Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/planet-fun/id1525941640/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 161 MB | 62 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omar reis](https://appshunter.io/developer/687921629) | [NIKI TECH](https://appshunter.io/developer/1788609104) |

## What reviewers say

### 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


### Solar System&Celestial Objects

[App page](https://appshunter.io/ios/app/solar-system-and-celestial-objects/id6503188651)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planet Fun free?

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

### Is Solar System&Celestial Objects free?

Solar System&Celestial Objects is free to download, with no in-app purchases.

### Do Planet Fun or Solar System&Celestial Objects have ads?

Solar System&Celestial Objects shows ads; Planet Fun does not.

### Which is updated more often, Planet Fun or Solar System&Celestial Objects?

Planet Fun ships an update every 4 weeks, and Solar System&Celestial Objects every 6 weeks. Most recently, Planet Fun was updated on September 18, 2026 and Solar System&Celestial Objects on October 25, 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.*