# Bio Virus Structure in 3D vs Celestia

The clearest difference is in-app purchases: Bio Virus Structure in 3D at none against Celestia's 4. Bio Virus Structure in 3D also leads on rating (4.7 vs 4.4) and review sentiment (100% vs 79%). Celestia's advantage is update cadence (fortnightly vs every 10 months) and ratings volume (337 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Celestia sells 4 in-app purchases, starting at $0.99 per 7 days. Bio Virus Structure in 3D asks for nothing beyond the download.

Bio Virus Structure in 3D holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Celestia has 337 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Bio Virus Structure in 3D's written reviews are positive against 79% of Celestia's.

Bio Virus Structure in 3D ships an update every 10 months, Celestia fortnightly. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Bio Virus Structure in 3D | Celestia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/bio-virus-structure-in-3d/id959469905/reviews)** | [4.4 (337 ratings)](https://appshunter.io/ios/app/celestia-space-simulator/id1500434829/reviews) |
| Number of ratings | 3 | **337** |
| Positive reviews | **100.0% of reviews** | 78.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 586 MB | 550 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Amnim](https://appshunter.io/developer/614464344) | [林峰 李](https://appshunter.io/developer/1186547508) |

## What reviewers say

### Bio Virus Structure in 3D

[App page](https://appshunter.io/ios/app/bio-virus-structure-in-3d/id959469905)

Explore the 3D structures of various viruses, including Ebola and HIV, in an interactive virtual reality experience. Learn about their composition and importance in genetics.

**Highlights:** Interactive 3D virtual reality, Explore Ebola virus structure, Explore HIV virus structure, Explore influenza virus structure, Explore adenovirus structure, Explore bacteriophage structure

**Features:** macOS Compatibility

**In-app purchases:** none


### Celestia

[App page](https://appshunter.io/ios/app/celestia-space-simulator/id1500434829)

Explore the universe in real-time 3D. Visit planets, moons, star clusters, and galaxies, viewing them from any point in space and time. Customize your experience with expandable content and detailed simulations.

**Highlights:** Real-time 3D space visualization, Explore planets, moons, stars, galaxies, Accurate solar system object positions, Interactive planetarium mode, Expandable content with add-ons, Customizable celestial databases

**Features:** Game Controller support, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Celestia PLUS (Weekly) | $0.99 | per 7 days |
| Celestia PLUS (Monthly) | $1.99 | per month |
| Celestia PLUS (Yearly) | $19.99 | per year |
| Celestia PLUS (Lifetime) | $79.99 | one-time |

**What reviewers like**

- ⭐ Realistic space simulation
- 🌌 Ability to explore galaxies and star systems
- 🔍 Detailed planet and moon textures
- 📷 Great for taking screenshots
- 🤖 Reminds users of Space Engine

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🌌 Limited exploration beyond Milky Way and Andromeda
- 🌍 Flat terrain on planets
- 🔍 Lack of detail on some celestial objects
- 🔒 Paywall for some features

**Reported bugs**

- Milky Way and other galaxy textures not loading properly
- Crashes when using certain add-ons
- Issues with planet and moon orbits not being accurate

**Requested features**

- Add more exoplanets and distant star systems
- Implement terrain generation for planets
- Expand to include more galaxies and the overall universe structure
- Add support for black holes, pulsars, and other exotic objects
- Improve controls and camera movement


## Frequently asked questions

### Is Bio Virus Structure in 3D free?

Bio Virus Structure in 3D is free to download, with no in-app purchases.

### Is Celestia free?

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

### Which has better reviews, Bio Virus Structure in 3D or Celestia?

Bio Virus Structure in 3D is rated higher. Bio Virus Structure in 3D averages 4.7 out of 5 from 3 ratings, while Celestia averages 4.4 from 337 ratings.

### Do Bio Virus Structure in 3D or Celestia have ads?

Neither Bio Virus Structure in 3D nor Celestia shows ads.

### Which is updated more often, Bio Virus Structure in 3D or Celestia?

Bio Virus Structure in 3D ships an update every 10 months, and Celestia fortnightly. Most recently, Bio Virus Structure in 3D was updated on October 7, 2026 and Celestia on October 22, 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.*