# Solar Walk Ads+：Planets System vs The Sky by Redshift

The clearest difference is ads: The Sky by Redshift at none against Solar Walk Ads+：Planets System's shown. The Sky by Redshift also leads on update cadence (every 2 months vs every 6 months). Solar Walk Ads+：Planets System's advantage is ratings volume (9.9K vs 817). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Solar Walk Ads+：Planets System sells 10 one-off in-app purchases and The Sky by Redshift sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Solar Walk Ads+：Planets System against 4.7 for The Sky by Redshift. That said, the two scores are not equally well evidenced: Solar Walk Ads+：Planets System has 9.9K ratings behind it against 817, so its average is the more settled of the two. Written reviews are what separate them: 73% of Solar Walk Ads+：Planets System's written reviews are positive against 65% of The Sky by Redshift's.

Solar Walk Ads+：Planets System ships an update every 6 months, The Sky by Redshift every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Solar Walk Ads+：Planets System | The Sky by Redshift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (9.9K ratings)](https://appshunter.io/ios/app/solar-walk-ads-plus-planets-system/id559702509/reviews) | **[4.7 (817 ratings)](https://appshunter.io/ios/app/the-sky-by-redshift/id1481867620/reviews)** |
| Number of ratings | **9.9K** | 817 |
| Positive reviews | **72.6% of reviews** | 65.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 466 MB | 472 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [United Soft Media Verlag GmbH](https://appshunter.io/developer/330111789) |

## What reviewers say

### Solar Walk Ads+：Planets System

[App page](https://appshunter.io/ios/app/solar-walk-ads-plus-planets-system/id559702509)

Explore a 3D model of our solar system, interact with celestial bodies, and take virtual flights through space. Learn about planets, moons, satellites, and more with educational movies and real-time orientation. Discover the universe from your device.

**Highlights:** Interactive 3D solar system model, Real-time celestial body orientation, Virtual flights between space objects, Time travel to view past universe states, Educational solar system movies, 3D planetarium with anaglyph mode

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Earth Surface in detail | $0.99 | one-time |
| Launch of Hubble Telescope | $0.99 | one-time |
| 3D Satellites in Real Time | $0.99 | one-time |
| Planets of the Solar System | $0.99 | one-time |
| High Resolution Bundle | $1.99 | one-time |
| Full Version | $2.99 | one-time |
| Missions Bundle | $2.99 | one-time |
| Movies Bundle | $2.99 | one-time |
| All Additional Content - Sale | $2.99 | one-time |
| Unlock Full Version With All Additional Content | $7.99 | one-time |

**What reviewers like**

- 🚀 Realistic and detailed graphics
- 🌌 Ability to explore the solar system
- 📚 Informative and educational
- 🎨 Beautiful background music
- 🤩 Engaging and immersive experience

**What reviewers complain about**

- 💰 Expensive in-app purchases
- 🔍 Limited free content
- 🔌 High battery consumption
- 🐛 Occasional crashes and glitches
- 🚫 Intrusive ads even in paid version

**Reported bugs**

- App freezes on launch
- Purchased content not restoring
- Planets and moons not displaying properly
- Frequent crashes when navigating the solar system

**Requested features**

- Ability to explore other galaxies and the universe
- More interactive features like landing on planets
- Removal of paywall for core content
- Improved performance and stability
- Customization options like dark mode


### The Sky by Redshift

[App page](https://appshunter.io/ios/app/the-sky-by-redshift/id1481867620)

This app is a powerful yet easy-to-use planetarium that acts as your daily astronomy companion. Simply point your device at the sky to identify planets, stars, and constellations, and explore celestial objects with detailed views and informative explanations.

**Highlights:** Identify stars, planets, and constellations, Track celestial object paths, Simulate astronomical events, Explore deep-space objects, Learn about astronomical phenomena, Eclipse timetable and simulation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Sky Premium 1 Month | $0.99 | per month |
| The Sky Premium 1 Year | $3.99 | per year |

**What reviewers like**

- 🚀 Expertly done
- 👍 Works well
- 👍 Beautiful and accurate
- 👍 Fun to use

**What reviewers complain about**

- 🔍 Too many ads
- 🔍 Intrusive advertising
- 🔍 Information banner not useful

**Reported bugs**

- Unauthorized access to private systems

**Requested features**

- Red light option to preserve night vision
- Smaller, less obtrusive pointer
- More features and accurate information


## Frequently asked questions

### Is Solar Walk Ads+：Planets System free?

Solar Walk Ads+：Planets System is free to download, with in-app purchases available.

### Is The Sky by Redshift free?

The Sky by Redshift is free to download, with in-app purchases available.

### Which has better reviews, Solar Walk Ads+：Planets System or The Sky by Redshift?

The Sky by Redshift is rated higher. Solar Walk Ads+：Planets System averages 4.6 out of 5 from 9.9K ratings, while The Sky by Redshift averages 4.7 from 817 ratings.

### Do Solar Walk Ads+：Planets System or The Sky by Redshift have ads?

Solar Walk Ads+：Planets System shows ads; The Sky by Redshift does not.

### Which is updated more often, Solar Walk Ads+：Planets System or The Sky by Redshift?

Solar Walk Ads+：Planets System ships an update every 6 months, and The Sky by Redshift every 2 months. Most recently, Solar Walk Ads+：Planets System was updated on November 6, 2026 and The Sky by Redshift on November 3, 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.*