# Solar Walk 2 vs Intergalactic Solar System

The clearest difference is price: Intergalactic Solar System at Free against Solar Walk 2's $2.99. Intergalactic Solar System also leads on update cadence (monthly vs every 2 months). Solar Walk 2's advantage is rating (4.7 vs 4.0) and ratings volume (7.3K vs 25). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Intergalactic Solar System is free to download; Solar Walk 2 costs $2.99 up front. Solar Walk 2 sells 7 one-off in-app purchases and Intergalactic Solar System sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Solar Walk 2 holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Solar Walk 2 has 7.3K ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 75% of Solar Walk 2's written reviews are positive against 70% of Intergalactic Solar System's.

Solar Walk 2 ships an update every 2 months, Intergalactic Solar System monthly. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Solar Walk 2 | Intergalactic Solar System |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (7.3K ratings)](https://appshunter.io/ios/app/solar-walk-2-view-planets-3d/id1031155880/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) |
| Number of ratings | **7.3K** | 25 |
| Positive reviews | **74.9% of reviews** | 70.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 803 MB | 355 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Solar Walk 2

[App page](https://appshunter.io/ios/app/solar-walk-2-view-planets-3d/id1031155880)

Explore our Solar System with detailed 3D models of planets, moons, and spacecraft. Discover celestial events, track space missions, and travel through time and space with an interactive encyclopedia. Stay updated with the latest astronomy news.

**Highlights:** 3D Solar System model, Interactive space encyclopedia, Astronomy calendar, Time and space travel, Space mission tracking, 360-degree panoramic images

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access for a month | $0.99 | one-time |
| Premium Access for 3 months | $1.99 | one-time |
| Premium Access for 6 months | $2.99 | one-time |
| Premium Access: Special Offer | $2.99 | one-time |
| Access for Solar Walk users | $4.99 | one-time |
| Premium Access for a year | $5.99 | one-time |
| Space Exploration Encyclopedia | $8.99 | one-time |

**What reviewers like**

- 🚀 Immersive experience
- 🌟 Stunning graphics
- 💡 Detailed information on celestial bodies
- 👍 Educational and informative
- ⭐ Visually stunning

**What reviewers complain about**

- 🐛 Inconsistent zooming behavior
- 💰 Locked content behind paywall
- 🔍 Difficult to navigate
- 🔍 Outdated information on missions and satellites

**Reported bugs**

- Crashes on Apple Watch
- Difficulty applying real-time settings

**Requested features**

- Add more minor moons and dwarf planets
- Improve zoom functionality to allow for smoother transitions
- Integrate more up-to-date information on space missions and satellites
- Add support for exoplanets, black holes, and the Milky Way galaxy
- Implement a free-flight mode to explore the solar system freely


### Intergalactic Solar System

[App page](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254)

Explore planets, moons, and countries in this space simulator mini-game. Learn astronomy and geography aligned with next-generation science standards. Discover the Milky Way galaxy and assess your knowledge through engaging gameplay.

**Highlights:** Planet and moon exploration, Country geography learning, Milky Way galaxy view, Common Core aligned curriculum, Proficiency assessment, Engaging gameplay levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to Full Game | $3.99 | one-time |


## Frequently asked questions

### Is Solar Walk 2 free?

Solar Walk 2 costs $2.99, and also offers in-app purchases.

### Is Intergalactic Solar System free?

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

### Which has better reviews, Solar Walk 2 or Intergalactic Solar System?

Solar Walk 2 is rated higher. Solar Walk 2 averages 4.7 out of 5 from 7.3K ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do Solar Walk 2 or Intergalactic Solar System have ads?

Neither Solar Walk 2 nor Intergalactic Solar System shows ads.

### Which is updated more often, Solar Walk 2 or Intergalactic Solar System?

Solar Walk 2 ships an update every 2 months, and Intergalactic Solar System monthly. Most recently, Solar Walk 2 was updated on October 26, 2026 and Intergalactic Solar System on October 9, 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.*