# Solar Walk vs Rhythm · Advanced Studies

The clearest difference is in-app purchases: Rhythm · Advanced Studies at none against Solar Walk's 11. Rhythm · Advanced Studies also leads on update cadence (fortnightly vs every 5 months). Solar Walk's advantage is price ($4.99 vs $6.99). On ads, device support and iOS requirement there is nothing between them.

Solar Walk costs $4.99 and Rhythm · Advanced Studies $6.99 up front. Solar Walk sells 11 one-off in-app purchases. Rhythm · Advanced Studies asks for nothing beyond the download.

Solar Walk ships an update every 5 months, Rhythm · Advanced Studies fortnightly. The most recent releases landed on October 27, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Solar Walk | Rhythm · Advanced Studies |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | **[4.7 (8.2K ratings)](https://appshunter.io/ios/app/solar-walk-space-simulator-3d/id347546771/reviews)** | — |
| Number of ratings | **8.2K** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 451 MB | 13 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [Marie Dahl Hoejsgaard](https://appshunter.io/developer/1549849131) |

## 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


### Rhythm · Advanced Studies

[App page](https://appshunter.io/ios/app/rhythm-advanced-studies/id1549849129)

**In-app purchases:** none


## Frequently asked questions

### Is Solar Walk free?

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

### Is Rhythm · Advanced Studies free?

Rhythm · Advanced Studies costs $6.99, with no in-app purchases.

### Do Solar Walk or Rhythm · Advanced Studies have ads?

Neither Solar Walk nor Rhythm · Advanced Studies shows ads.

### Which is updated more often, Solar Walk or Rhythm · Advanced Studies?

Solar Walk ships an update every 5 months, and Rhythm · Advanced Studies fortnightly. Most recently, Solar Walk was updated on October 27, 2026 and Rhythm · Advanced Studies on September 13, 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.*