# Solar Walk vs CHEMIST by THIX

The clearest difference is rating: Solar Walk at 4.7 against CHEMIST by THIX's 4.0. Solar Walk also leads on ratings volume (8.2K vs 127) and price ($4.99 vs $8.99). CHEMIST by THIX's advantage is in-app purchases (none vs 11) and update cadence (every 2 months vs every 5 months). On ads and device support there is nothing between them.

Solar Walk costs $4.99 and CHEMIST by THIX $8.99 up front. Solar Walk sells 11 one-off in-app purchases. CHEMIST by THIX asks for nothing beyond the download.

Solar Walk holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Solar Walk has 8.2K ratings behind it against 127, so its average is the more settled of the two. Written reviews point the same way: 72% of Solar Walk's written reviews are positive against 58% of CHEMIST by THIX's.

Solar Walk ships an update every 5 months, CHEMIST by THIX every 2 months. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Solar Walk | CHEMIST by THIX |
| --- | --- | --- |
| Price | **$4.99** | $8.99 |
| Rating | **[4.7 (8.2K ratings)](https://appshunter.io/ios/app/solar-walk-space-simulator-3d/id347546771/reviews)** | [4.0 (127 ratings)](https://appshunter.io/ios/app/chemist-by-thix/id440666387/reviews) |
| Number of ratings | **8.2K** | 127 |
| Positive reviews | **72.2% of reviews** | 58.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 451 MB | 25 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [THIX LLC](https://appshunter.io/developer/433373206) |

## What reviewers say

### Solar Walk

[App page](https://appshunter.io/ios/app/solar-walk-space-simulator-3d/id347546771)

Explore a detailed 3D model of our solar system and the universe. Interact with planets, moons, and satellites, and take virtual flights through space. Travel through time to see the universe's past and learn with educational movies.

**Highlights:** Interactive 3D solar system model, Virtual flights between celestial bodies, Time travel feature for historical views, Educational movies about space, Orrery and true-to-scale view modes, Milky Way Galaxy view

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mission of Cassini-Huygens | Free | one-time |
| Cycles of the Earth System | Free | one-time |
| Major Circles of Latitude | Free | one-time |
| Movies Bundle | Free | one-time |
| 3D Satellites in Real Time | Free | one-time |
| Planets of the Solar System | Free | one-time |
| What is a Solar Eclipse? | Free | one-time |
| The Moon Phases Explanation | Free | one-time |
| Zodiacal Constellations | Free | one-time |
| High Resolution Bundle | $1.99 | one-time |
| All Additional Content - Sale | $2.99 | one-time |

**What reviewers like**

- 🌟 Excellent graphics and visuals
- 🔍 Detailed information about the solar system
- 🌍 Ability to explore the planets and moons
- 🎥 Informative videos and animations
- 🧠 Educational and informative for all ages

**What reviewers complain about**

- 💰 Expensive in-app purchases required to unlock full features
- 🐛 Bugs and crashes reported, especially after updates
- 🕹️ Navigation and controls can be unintuitive
- 🌌 Limited to just the solar system, no other galaxies or deep space

**Reported bugs**

- App crashes on launch for some users
- In-app purchases not working correctly
- Freezing and performance issues on older devices
- Incorrect planet/moon positioning and timing

**Requested features**

- Add more planets, moons, and objects to the solar system
- Expand to include other star systems and galaxies
- Improve navigation and controls for easier exploration
- Offer more free content instead of paid add-ons
- Fix reported bugs and crashes


### CHEMIST by THIX

[App page](https://appshunter.io/ios/app/chemist-by-thix/id440666387)

Experience a virtual chemistry lab with a wide range of equipment, procedures, and chemicals. Safely conduct experiments, explore chemical reactions, and learn through real-time data visualization without any mess or risk.

**Highlights:** Virtual lab equipment and procedures, Extensive chemical library (inorganic and organic), Real-time chemical data calculations, Safe and mess-free experimentation, Interactive tools for temperature, air composition, and time, Intuitive user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Walk free?

Solar Walk costs $4.99, and also offers in-app purchases.

### Is CHEMIST by THIX free?

CHEMIST by THIX costs $8.99, with no in-app purchases.

### Which has better reviews, Solar Walk or CHEMIST by THIX?

Solar Walk is rated higher. Solar Walk averages 4.7 out of 5 from 8.2K ratings, while CHEMIST by THIX averages 4.0 from 127 ratings.

### Do Solar Walk or CHEMIST by THIX have ads?

Neither Solar Walk nor CHEMIST by THIX shows ads.

### Which is updated more often, Solar Walk or CHEMIST by THIX?

Solar Walk ships an update every 5 months, and CHEMIST by THIX every 2 months. Most recently, Solar Walk was updated on October 31, 2026 and CHEMIST by THIX on October 30, 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.*