# Solar Walk 2 vs Rhythm · Advanced Studies

The clearest difference is in-app purchases: Rhythm · Advanced Studies at none against Solar Walk 2's 7. Rhythm · Advanced Studies also leads on update cadence (fortnightly vs every 2 months). Solar Walk 2's advantage is price ($2.99 vs $6.99) and device support (4 vs 2). On ads there is nothing between them.

Solar Walk 2 costs $2.99 and Rhythm · Advanced Studies $6.99 up front. Solar Walk 2 sells 7 one-off in-app purchases. Rhythm · Advanced Studies asks for nothing beyond the download.

Solar Walk 2 ships an update every 2 months, Rhythm · Advanced Studies fortnightly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Solar Walk 2 | Rhythm · Advanced Studies |
| --- | --- | --- |
| Price | **$2.99** | $6.99 |
| Rating | **[4.7 (7.3K ratings)](https://appshunter.io/ios/app/solar-walk-2-view-planets-3d/id1031155880/reviews)** | — |
| Number of ratings | **7.3K** | — |
| Positive reviews | 74.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 803 MB | 13 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | 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 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


### Rhythm · Advanced Studies

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Walk 2 free?

Solar Walk 2 costs $2.99, 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 2 or Rhythm · Advanced Studies have ads?

Neither Solar Walk 2 nor Rhythm · Advanced Studies shows ads.

### Which is updated more often, Solar Walk 2 or Rhythm · Advanced Studies?

Solar Walk 2 ships an update every 2 months, and Rhythm · Advanced Studies fortnightly. Most recently, Solar Walk 2 was updated on November 1, 2026 and Rhythm · Advanced Studies 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.*