# Solar Orrery vs RealTime Space

The clearest difference is in-app purchases: Solar Orrery at none against RealTime Space's 1. Solar Orrery also leads on iOS requirement (15.0 vs 26.0). RealTime Space's advantage is update cadence (every 2 weeks vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. RealTime Space sells 1 one-off in-app purchase. Solar Orrery asks for nothing beyond the download.

Solar Orrery ships an update every 3 weeks, RealTime Space every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Solar Orrery | RealTime Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/solar-orrery/id6768309076/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 35 MB | 65 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LanguageCraft](https://appshunter.io/developer/1029635130) | [Nice Dreamz llc](https://appshunter.io/developer/1834116530) |

## What reviewers say

### Solar Orrery

[App page](https://appshunter.io/ios/app/solar-orrery/id6768309076)

Explore a real-time, interactive model of our solar system and the night sky. Journey through planets, moons, stars, and constellations with cinematic visuals and intuitive controls. Track celestial objects and experience the vastness of space.

**Highlights:** Interactive solar system model, Real-time orbital data, 41,000+ stars and constellations, Time controls for simulation, Touch-first camera controls, Colorblind-accessible themes, Live celestial object feeds

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### RealTime Space

[App page](https://appshunter.io/ios/app/realtime-space/id6788646103)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Forever | $0.99 | one-time |


## Frequently asked questions

### Is Solar Orrery free?

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

### Is RealTime Space free?

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

### Do Solar Orrery or RealTime Space have ads?

Neither Solar Orrery nor RealTime Space shows ads.

### Which is updated more often, Solar Orrery or RealTime Space?

Solar Orrery ships an update every 3 weeks, and RealTime Space every 2 weeks. Most recently, Solar Orrery was updated on October 31, 2026 and RealTime Space on October 31, 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.*