Planet simulation vs Portal
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Planet simulation
Design and build your own solar system with various stars. Explore the fascinating world of gravity and recreate celestial bodies. A relaxing game for your spare time.
- Create your own solar system
- Simulate gravity
- Design with various stars
- Reproduce celestial bodies
- Relaxing gameplay
Read full descriptionHide full description
Enjoy world of gravity! Planet simulation game can also reproduce solar system. Create the universe with various stars. You may be able to recreate the solar system. In spare time or boring time, it is a recommended game. This game is the 2nd iOS game for the Web Game Site "DAN-BALL"
Portal
Engage in a physics-based puzzle adventure across numerous test chambers. Each level presents unique objectives to challenge your problem-solving skills in this addictive game.
- Physics-based gameplay
- Multiple test chambers
- Varied level objectives
- Addictive puzzle solving
Read full descriptionHide full description
Loosely base on the game Portal by Valve, this fun and addicting physics game takes you through many levels of test chambers, each with a different objective.
Screenshots
Verdict
The clearest difference is in-app purchases: Planet simulation at none against Portal's 4. Planet simulation also leads on review sentiment (74% vs 55%) and ratings volume (165 vs 50). Portal's advantage is ads (none vs shown) and update cadence (monthly vs every 8 months). On price, rating, device support and iOS requirement 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. Portal sells 4 one-off in-app purchases. Planet simulation asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.9 for Planet simulation against 3.9 for Portal. Both are backed by a comparable volume of ratings — 165 and 50 respectively. Written reviews are what separate them: 74% of Planet simulation's written reviews are positive against 55% of Portal's.
Planet simulation ships an update every 8 months, Portal monthly. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.
| Parameter | Planet simulation | Portal |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (165 ratings) — better | 3.9 (50 ratings) |
| Positive reviews | 74.3% of reviews — better | 54.7% of reviews |
| Number of ratings | 165 — better | 50 |
| Update frequency | Every 8 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | DAN-BALL | Charles Younger |
Customer experience
Planet simulation
Portal
User reviews
Planet simulation
From 165 App Store ratingsWhat we love
- 🚀 Realistic gravity simulation
- 👍 Fun to mess around with
- 🎨 Visually appealing
- 🤖 Good for learning about planetary motion
Room to improve
- 🐛 Planets often crash into the sun
- 🔍 Limited features and customization options
- 📢 Distracting ads
- 🤯 Confusing controls and UI
Portal
From 50 App Store ratingsWhat we love
- 👍 Great for Portal fans
- 💡 Fun puzzle action
- 🚀 Good for iPhone
- ✨ Simple but good
- 🎮 Challenging physics
Room to improve
- 😕 Not fun at all
- 🐛 Glitches on some levels
- 🤔 Choppy graphics
- 📉 Too hard too quickly
- 😵 Repetitive gameplay
Bugs and requests
Planet simulation
Reported bugs
3 issues- Planets sometimes disappear or behave erratically
- App crashes or freezes occasionally
- Scaling and scrolling issues
Requested features
5 requests- Add more celestial objects (black holes, supernovas, etc.)
- Allow for more complex orbits and binary systems
- Implement a save/load feature for solar systems
- Add a tutorial or help section
- Integrate with educational resources on astronomy
Portal
Reported bugs
9 issues- Platform moves with button click
- Seesaw puzzle impossible
- Companion cube moves with platform
- Blue portal not movable
- Game won't open level one
Show 4 moreShow fewer
- Can't click on levels
- Doesn't display correctly on iPhone 4
- Stuck on scene 2 level 13
- Some buttons don't work
Requested features
6 requests- Add Portal music
- Animate thrown objects
- Thin the turret
- Update the game
- Allow turning iPhone to control ball
Show 1 moreShow fewer
- Add actual Portal button sound
In-app purchases
Planet simulation
No in-app purchases
Portal
- Tip the Developer - Small Tip$0.99
- Tip the Developer - Nice Tip!$1.99
- Tip the Developer - Generous Tip!$4.99
Show 1 moreShow fewer
- Tip the Developer - Amazing Tip!$9.99
Questions
Is Planet simulation free?
Is Portal free?
Which has better reviews, Planet simulation or Portal?
Do Planet simulation or Portal have ads?
Which is updated more often, Planet simulation or Portal?
Other comparisons















