# Exoplanet vs 3D Solar System

The clearest difference is review sentiment: Exoplanet at 91% against 3D Solar System's 29%. Exoplanet also leads on ads (none vs shown) and rating (4.7 vs 4.4). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Exoplanet sells 7 one-off in-app purchases and 3D Solar System sells 12 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Exoplanet holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 975 and 1.7K respectively. Written reviews point the same way: 91% of Exoplanet's written reviews are positive against 29% of 3D Solar System's.

Exoplanet ships an update every 2 weeks, 3D Solar System fortnightly. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Exoplanet | 3D Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (975 ratings)](https://appshunter.io/ios/app/exoplanet/id327702034/reviews)** | [4.4 (1.7K ratings)](https://appshunter.io/ios/app/3d-solar-system-planets-view/id983877380/reviews) |
| Number of ratings | 975 | **1.7K** |
| Positive reviews | **90.9% of reviews** | 28.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 351 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hanno Rein](https://appshunter.io/developer/325840976) | [Education Terra](https://appshunter.io/developer/946819038) |

## What reviewers say

### Exoplanet

[App page](https://appshunter.io/ios/app/exoplanet/id327702034)

Explore a vast, interactive database of discovered exoplanets and their host stars. Visualize their physical properties, locations in the night sky, and orbital paths. Discover the observable universe from Earth to the cosmic microwave background with stunning 3D models and augmented reality features.

**Highlights:** Interactive visualizations and animations, Daily updated exoplanet and host star properties, 3D Milky Way model with exoplanet locations, Augmented reality sky map, Exoplanet orbit and habitable zone visualizations, Data from multiple exoplanet catalogs

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Galaxy Clusters and CMB | $0.99 | one-time |
| Asteroids | $0.99 | one-time |
| Gaia Stars | $0.99 | one-time |
| S-Stars | $0.99 | one-time |
| Catalogues | $0.99 | one-time |
| Developer Appreciation Coffee | $1.99 | one-time |
| Kepler Add-on | $2.99 | one-time |

**What reviewers like**

- 🚀 Great app
- 👍 Insanely entertaining
- 👍 Amazing graphics and interactive diorama
- 👍 Detailed explanation of planets
- 👍 Awesome app for astronomy and physics lovers

**What reviewers complain about**

- 🐛 Some exoplanets not showing up in search
- 🐛 Inconsistent behavior when switching between databases
- 🔒 Paid upgrades required to access more features
- 🐛 Upgrade purchase issues with Galaxy Clusters and CMB add-on
- 🐛 Exoplanets represented as generic white balls

**Reported bugs**

- Upgrade purchase issues with Galaxy Clusters and CMB add-on
- Kepler objects of interest disappearing when switching databases

**Requested features**

- Add more detailed textures and visuals for exoplanets
- Ability to view multiple databases simultaneously
- Option to see planet surfaces and atmospheres
- Inclusion of dwarf planets in our solar system
- Ability to zoom in on and explore other galaxies


### 3D Solar System

[App page](https://appshunter.io/ios/app/3d-solar-system-planets-view/id983877380)

Explore the solar system in 3D and augmented reality. Learn about planets, moons, stars, and constellations through interactive models, scientific facts, and engaging quizzes. Create your own planets with AI.

**Highlights:** 3D & AR Solar System models, Scientific facts about celestial bodies, Interactive star map, Engaging educational tasks and quizzes, AI-powered planet creation

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription | $7.99 | per 7 days |
| 1 Month PRO | $9.99 | per month |
| 1 month Sale | $10.99 | per month |
| 12 months sale | $14.99 | per year |
| 6 months | $19.99 | per 6 months |
| Astronomy guide - Sky atlas | $19.99 | per month |
| 12 months | $29.99 | per year |
| Astronomy guide - Sky atlas | $29.99 | per 3 months |
| 2 Month Subscription | $39.99 | per 2 months |
| 2 Months Subscription | $39.99 | per 2 months |
| Disable Ads Sale | $9.99 | one-time |
| Disable Ads | $19.99 | one-time |

**What reviewers like**

- 🌟 Informative and educational
- 🔍 Detailed solar system information
- 🎨 Cool visuals and graphics

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Difficult to cancel subscription
- 🤔 Misleading 'free' claims
- 🐛 Bugs and glitches
- 🤯 Confusing user interface

**Reported bugs**

- Planets displayed incorrectly
- Subscription charges without consent
- Inability to cancel subscription

**Requested features**

- More free content and features
- Realistic planet models and animations
- Expanded content beyond the solar system
- Improved accessibility and usability


## Frequently asked questions

### Is Exoplanet free?

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

### Is 3D Solar System free?

3D Solar System is free to download, with in-app purchases available.

### Which has better reviews, Exoplanet or 3D Solar System?

Exoplanet is rated higher. Exoplanet averages 4.7 out of 5 from 975 ratings, while 3D Solar System averages 4.4 from 1.7K ratings.

### Do Exoplanet or 3D Solar System have ads?

3D Solar System shows ads; Exoplanet does not.

### Which is updated more often, Exoplanet or 3D Solar System?

Exoplanet ships an update every 2 weeks, and 3D Solar System fortnightly. Most recently, Exoplanet was updated on October 26, 2026 and 3D Solar System on October 29, 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.*