# Exoplanet vs Solar System Planets

The clearest difference is review sentiment: Exoplanet at 91% against Solar System Planets's 0%. Exoplanet also leads on rating (4.7 vs 3.3) and update cadence (every 2 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Exoplanet sells 7 one-off in-app purchases and Solar System Planets sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Exoplanet holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Exoplanet has 975 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 91% of Exoplanet's written reviews are positive against 0% of Solar System Planets's.

Exoplanet ships an update every 2 weeks, Solar System Planets every 3 months. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Exoplanet | Solar System Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (975 ratings)](https://appshunter.io/ios/app/exoplanet/id327702034/reviews)** | [3.3 (10 ratings)](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338/reviews) |
| Number of ratings | **975** | 10 |
| Positive reviews | **90.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 150 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Hanno Rein](https://appshunter.io/developer/325840976) | [Evgeniya Senchurova](https://appshunter.io/developer/1676838995) |

## 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


### Solar System Planets

[App page](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338)

Explore our solar system with interactive 3D models and detailed information about each planet. Discover celestial bodies and uncover their secrets through a user-friendly interface, perfect for students and space enthusiasts alike.

**Highlights:** Interactive 3D solar system model, High-resolution planet imagery, Detailed planet information, User-friendly interface, Educational content, Celestial body exploration

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Premium Access | $9.99 | per month |
| Three Months Premium Access | $19.99 | per 3 months |
| One Year Premium Access | $24.99 | per year |


## Frequently asked questions

### Is Exoplanet free?

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

### Is Solar System Planets free?

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

### Which has better reviews, Exoplanet or Solar System Planets?

Exoplanet is rated higher. Exoplanet averages 4.7 out of 5 from 975 ratings, while Solar System Planets averages 3.3 from 10 ratings.

### Do Exoplanet or Solar System Planets have ads?

Neither Exoplanet nor Solar System Planets shows ads.

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

Exoplanet ships an update every 2 weeks, and Solar System Planets every 3 months. Most recently, Exoplanet was updated on October 26, 2026 and Solar System Planets on October 15, 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.*