# PhySim Lab vs Solar System Planets

The clearest difference is review sentiment: PhySim Lab at 65% against Solar System Planets's 0%. PhySim Lab also leads on rating (4.3 vs 3.3) and in-app purchases (none vs 3). Solar System Planets's advantage is price (Free vs $0.99) and ratings volume (10 vs 3). On ads and device support there is nothing between them.

Solar System Planets is free to download; PhySim Lab costs $0.99 up front. Solar System Planets sells 3 in-app purchases, starting at $9.99 per month. PhySim Lab asks for nothing beyond the download.

PhySim Lab holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews point the same way: 65% of PhySim Lab's written reviews are positive against 0% of Solar System Planets's.

PhySim Lab ships an update every 5 days, Solar System Planets every 3 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PhySim Lab | Solar System Planets |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/physim-lab/id1521781822/reviews)** | [3.3 (10 ratings)](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338/reviews) |
| Number of ratings | 3 | **10** |
| Positive reviews | **64.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 49 MB | 150 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [铖 邢](https://appshunter.io/developer/1497880786) | [Evgeniya Senchurova](https://appshunter.io/developer/1676838995) |

## What reviewers say

### PhySim Lab

[App page](https://appshunter.io/ios/app/physim-lab/id1521781822)

Explore classical mechanics through interactive simulations. Design and test physics experiments, simulate celestial motion, and generate custom textures for objects. Group editing and object tracking enhance the learning experience.

**Highlights:** Classical mechanics simulations, Celestial body motion simulation, Custom texture generation from photos, Group editing of objects, Object following and watching modes, Gravitation and magnetic force simulation

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

**In-app purchases:** none


### Solar System Planets

[App page](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338)

Explore our solar system with interactive 3D models and detailed information about each planet. Discover celestial bodies and uncover their secrets through a user-friendly interface, perfect for students and space enthusiasts alike.

**Highlights:** Interactive 3D solar system model, High-resolution planet imagery, Detailed planet information, User-friendly interface, Educational content, Celestial body exploration

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Premium Access | $9.99 | per month |
| Three Months Premium Access | $19.99 | per 3 months |
| One Year Premium Access | $24.99 | per year |


## Frequently asked questions

### Is PhySim Lab free?

PhySim Lab costs $0.99, with no in-app purchases.

### Is Solar System Planets free?

Solar System Planets is free to download, with in-app purchases available.

### Which has better reviews, PhySim Lab or Solar System Planets?

PhySim Lab is rated higher. PhySim Lab averages 4.3 out of 5 from 3 ratings, while Solar System Planets averages 3.3 from 10 ratings.

### Do PhySim Lab or Solar System Planets have ads?

Neither PhySim Lab nor Solar System Planets shows ads.

### Which is updated more often, PhySim Lab or Solar System Planets?

PhySim Lab ships an update every 5 days, and Solar System Planets every 3 months. Most recently, PhySim Lab was updated on October 8, 2026 and Solar System Planets on September 30, 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.*