# Pocket Planets vs Solar System Viewer

The clearest difference is price: Pocket Planets at Free against Solar System Viewer's $2.99. Pocket Planets also leads on in-app purchases (none vs 4) and update cadence (every 3 weeks vs every 2 months). Solar System Viewer's advantage is ads (none vs shown) and review sentiment (83% vs 67%). On rating, ratings volume and device support there is nothing between them.

Pocket Planets is free to download; Solar System Viewer costs $2.99 up front. Solar System Viewer sells 4 one-off in-app purchases. Pocket Planets asks for nothing beyond the download.

Pocket Planets holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 22 and 28 respectively. Written reviews complicate that: 67% of Pocket Planets's written reviews are positive against 83% of Solar System Viewer's, so the app with the better star average is not the one people write more warmly about.

Pocket Planets ships an update every 3 weeks, Solar System Viewer every 2 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Pocket Planets | Solar System Viewer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/pocket-planets/id1496547610/reviews)** | [4.4 (28 ratings)](https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445/reviews) |
| Number of ratings | 22 | **28** |
| Positive reviews | 66.7% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Ad-supported** | Paid |
| Size | 66 MB | 22 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1496547609) | [BLUE COMET LABS LLC](https://appshunter.io/developer/1492055170) |

## What reviewers say

### Pocket Planets

[App page](https://appshunter.io/ios/app/pocket-planets/id1496547610)

Explore our solar system with detailed information on planets, moons, and astronauts. Track who is currently in space and receive notifications for new launches. Access NASA images and compare celestial body characteristics.

**Highlights:** Detailed planet and moon data, Astronaut information and missions, Real-time space occupancy, Launch notifications, NASA image gallery, Celestial body comparisons

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

**In-app purchases:** none


### Solar System Viewer

[App page](https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445)

Explore and simulate the orbits of planets in our solar system. This app allows you to speed up or slow down time, travel to any date, and view planetary positions. It also offers widgets for your home screen and Apple Watch complications.

**Highlights:** Simulate planetary orbits, Adjust time speed, Time travel to specific dates, Home screen widgets, Apple Watch integration, View planet overviews

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Io Tip | $1.99 | one-time |
| Europa Tip | $3.99 | one-time |
| Ganymede Tip | $5.99 | one-time |
| Callisto Tip | $9.99 | one-time |


## Frequently asked questions

### Is Pocket Planets free?

Pocket Planets is free to download, with no in-app purchases.

### Is Solar System Viewer free?

Solar System Viewer costs $2.99, and also offers in-app purchases.

### Which has better reviews, Pocket Planets or Solar System Viewer?

Pocket Planets is rated higher. Pocket Planets averages 4.6 out of 5 from 22 ratings, while Solar System Viewer averages 4.4 from 28 ratings.

### Do Pocket Planets or Solar System Viewer have ads?

Pocket Planets shows ads; Solar System Viewer does not.

### Which is updated more often, Pocket Planets or Solar System Viewer?

Pocket Planets ships an update every 3 weeks, and Solar System Viewer every 2 months. Most recently, Pocket Planets was updated on October 11, 2026 and Solar System Viewer on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*