A Solar System Journey vs Pocket Planets
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A Solar System Journey
Explore our solar system with detailed information and images for each planet. Discover facts, view animated orbits, and learn about Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
- Detailed planet information
- Close-up planet images
- Animated planet orbits
- Facts about each planet
- Covers all major planets
Read full descriptionHide full description
A Journey through our Solar System. This includes all of the planets, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. A few comments and facts about each planet and close up image of the planet is also included. There is also an animated orbit for the planets.
Pocket Planets
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.
- Detailed planet and moon data
- Astronaut information and missions
- Real-time space occupancy
- Launch notifications
- NASA image gallery
- Celestial body comparisons
Read full descriptionHide full description
Pocket Planets gives you all the information you need about our solar system and human activity in space. Learn more about all 565 astronauts who been to space. What was their mission? How long had they been up there? See who is in space now! Get notified when somebody goes into space. Get up to date information about every planet and moon in the solar system. Including: - Physical characteristics: mass, radius, density, gravity, escape velocity - Orbital characteristics: real-time distance from the Sun and Earth, orbital period, orbital speed, eccentricity, apsis, periapsis, visualise orbit - Atmosphere: pressure, atmospheric composition - Images from Nasa - Moons: compare their size and distance
Screenshots
Verdict
A Solar System Journey and Pocket Planets both sit at 4.5 stars, but that hides the real split: 67% of Pocket Planets's written reviews are positive against 25% of A Solar System Journey's. Pocket Planets also leads on update cadence (every 3 weeks vs every 6 months). A Solar System Journey's advantage is ratings volume (435 vs 22). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.5 for A Solar System Journey against 4.6 for Pocket Planets. That said, the two scores are not equally well evidenced: A Solar System Journey has 435 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 25% of A Solar System Journey's written reviews are positive against 67% of Pocket Planets's.
A Solar System Journey ships an update every 6 months, Pocket Planets every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | A Solar System Journey | Pocket Planets |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (435 ratings) | 4.6 (22 ratings) — better |
| Positive reviews | 25.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 435 — better | 22 |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 15 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | John Rouda | Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag |
Customer experience
A Solar System Journey
Pocket Planets
Bugs and requests
A Solar System Journey
Reported bugs
9 issues- App doesn't work after download
- Cannot exit planet view
- App crashes on opening
- Planets rotate and orbit backwards
- Mercury and Earth both listed as densest
Show 4 moreShow fewer
- Earth listed as fifth largest planet (should be fourth)
- Bug with dragging finger across bottom of screen shows messed up text/pictures
- App is a slow web browser, doesn't work offline
- Irritating rolling ads in updates
Requested features
8 requests- Add dwarf plants and other stuff
- Add more moons
- Add more photos
- Add more data about planets
- Add Pluto
Show 3 moreShow fewer
- Improve accuracy of facts
- Make text zoomable
- Update app for current solar system facts
Pocket Planets
Not enough reviews yet to summarise bugs or requests.
In-app purchases
A Solar System Journey
No in-app purchases
Pocket Planets
No in-app purchases
Questions
Is A Solar System Journey free?
Is Pocket Planets free?
Which has better reviews, A Solar System Journey or Pocket Planets?
Do A Solar System Journey or Pocket Planets have ads?
Which is updated more often, A Solar System Journey or Pocket Planets?
Other comparisons
