# Planetary Clock vs Pocket Planets

The clearest difference is price: Pocket Planets at Free against Planetary Clock's $0.99. Pocket Planets also leads on update cadence (every 3 weeks vs every 27 months) and review sentiment (67% vs 57%). Planetary Clock's advantage is ads (none vs shown) and rating (4.9 vs 4.6). On ratings volume, in-app purchases, device support and iOS requirement there is nothing between them.

Pocket Planets is free to download; Planetary Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetary Clock holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 34 and 22 respectively. Written reviews complicate that: 57% of Planetary Clock's written reviews are positive against 67% of Pocket Planets's, so the app with the better star average is not the one people write more warmly about.

Planetary Clock ships an update every 27 months, Pocket Planets every 3 weeks. The most recent releases landed on August 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Planetary Clock | Pocket Planets |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.9 (34 ratings)](https://appshunter.io/ios/app/planetary-clock/id812876503/reviews)** | [4.6 (22 ratings)](https://appshunter.io/ios/app/pocket-planets/id1496547610/reviews) |
| Number of ratings | **34** | 22 |
| Positive reviews | 57.1% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 14 MB | 66 MB |
| Requires iOS | **11.4** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piotr Knapczyk](https://appshunter.io/developer/1541886746) | [Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1496547609) |

## What reviewers say

### Planetary Clock

[App page](https://appshunter.io/ios/app/planetary-clock/id812876503)

Visualize the precise positions of all planets in the Solar System for any given day. It uses accurate NASA data for orbital calculations and relative planet sizing, offering a clear, educational view of celestial mechanics.

**Highlights:** Real-time planet positions, Accurate orbital calculations, Uses NASA data, Relative planet sizing, Educational solar system view

**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 Planetary Clock free?

Planetary Clock costs $0.99, with no in-app purchases.

### Is Pocket Planets free?

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

### Which has better reviews, Planetary Clock or Pocket Planets?

Planetary Clock is rated higher. Planetary Clock averages 4.9 out of 5 from 34 ratings, while Pocket Planets averages 4.6 from 22 ratings.

### Do Planetary Clock or Pocket Planets have ads?

Pocket Planets shows ads; Planetary Clock does not.

### Which is updated more often, Planetary Clock or Pocket Planets?

Planetary Clock ships an update every 27 months, and Pocket Planets every 3 weeks. Most recently, Planetary Clock was updated on August 19, 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.*