# Solar Walk Lite vs Cosmo Pro

The clearest difference is in-app purchases: Solar Walk Lite at none against Cosmo Pro's 1. Solar Walk Lite also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cosmo Pro sells 1 one-off in-app purchase. Solar Walk Lite asks for nothing beyond the download.

Solar Walk Lite ships an update every 3 months, Cosmo Pro every 2 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Solar Walk Lite | Cosmo Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (33K ratings)](https://appshunter.io/ios/app/solar-walk-lite-planetarium/id1176819919/reviews)** | — |
| Number of ratings | **33K** | — |
| Positive reviews | 83.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 184 MB | 38 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [Tariq Al-aqrabawi](https://appshunter.io/developer/1877383192) |

## What reviewers say

### Solar Walk Lite

[App page](https://appshunter.io/ios/app/solar-walk-lite-planetarium/id1176819919)

Explore our Solar System in an interactive 3D model. Discover celestial bodies with detailed information, real photos, and stunning visuals. This free app offers a pocket planetarium experience without requiring an internet connection.

**Highlights:** Interactive 3D Solar System model, Real-time celestial body positions, Detailed information and photos, Orrery Mode for realistic/schematic views, Anaglyph 3D option, Zoom in/out for galaxy view

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Excellent for learning about space
- 🔍 Detailed 3D models of planets and moons
- 🗺️ Comprehensive information on solar system
- 🎨 Beautiful and visually appealing graphics
- 🧠 Highly educational and informative

**What reviewers complain about**

- 💰 Too many ads interrupting the experience
- 🔍 Limited exploration beyond our solar system
- 🔌 Drains device battery quickly
- 🤖 Occasional bugs and glitches

**Reported bugs**

- App crashes when trying to view certain planets
- Incorrect sizes/positions of some moons and planets
- Ads covering the entire screen with no way to dismiss

**Requested features**

- Ability to explore other galaxies and deep space
- More detailed information on planet/moon interiors
- Option to remove ads through a paid version
- Improved time controls and animation
- Addition of more celestial objects like black holes


### Cosmo Pro

[App page](https://appshunter.io/ios/app/cosmo-pro/id6774987613)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosmos Pro — Lifetime Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Solar Walk Lite free?

Solar Walk Lite is free to download, with no in-app purchases.

### Is Cosmo Pro free?

Cosmo Pro is free to download, with in-app purchases available.

### Do Solar Walk Lite or Cosmo Pro have ads?

Both Solar Walk Lite and Cosmo Pro show ads.

### Which is updated more often, Solar Walk Lite or Cosmo Pro?

Solar Walk Lite ships an update every 3 months, and Cosmo Pro every 2 months. Most recently, Solar Walk Lite was updated on November 12, 2026 and Cosmo Pro on November 5, 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.*