# Interactive Solar System vs Pocket Planets

The clearest difference is price: Pocket Planets at Free against Interactive Solar System's $1.99. Interactive Solar System's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Pocket Planets is free to download; Interactive Solar System costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Interactive Solar System ships an update fortnightly, Pocket Planets every 3 weeks. The most recent releases landed on October 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Interactive Solar System | Pocket Planets |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.6 (22 ratings)](https://appshunter.io/ios/app/pocket-planets/id1496547610/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 52 MB | 66 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad, Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1496547609) |

## What reviewers say

### Interactive Solar System

[App page](https://appshunter.io/ios/app/interactive-solar-system/id1240878228)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Interactive Solar System free?

Interactive Solar System costs $1.99, with no in-app purchases.

### Is Pocket Planets free?

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

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

Pocket Planets shows ads; Interactive Solar System does not.

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

Interactive Solar System ships an update fortnightly, and Pocket Planets every 3 weeks. Most recently, Interactive Solar System was updated on October 5, 2026 and Pocket Planets on September 8, 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.*