# Robomaker® vs Solar System Sim

Robomaker® and Solar System Sim both sit at 4.3 stars, but that hides the real split: 80% of Solar System Sim's written reviews are positive against 22% of Robomaker®'s. Solar System Sim also leads on update cadence (every 4 days vs every 4 weeks) and ratings volume (4.3K vs 4). Robomaker®'s advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, rating and device support there is nothing between them.

Both are free to download. Solar System Sim sells 5 one-off in-app purchases. Robomaker® asks for nothing beyond the download.

Solar System Sim holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Solar System Sim has 4.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 22% of Robomaker®'s written reviews are positive against 80% of Solar System Sim's.

Robomaker® ships an update every 4 weeks, Solar System Sim every 4 days. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Robomaker® | Solar System Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/robomaker/id1290100658/reviews) | **[4.5 (4.3K ratings)](https://appshunter.io/ios/app/solar-system-sim/id6447612221/reviews)** |
| Number of ratings | 4 | **4.3K** |
| Positive reviews | 22.2% of reviews | **80.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 198 MB | 521 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Clementoni S.p.A.](https://appshunter.io/developer/575135209) | [WPC](https://appshunter.io/developer/1681830786) |

## What reviewers say

### Robomaker®

[App page](https://appshunter.io/ios/app/robomaker/id1290100658)

This app guides users through robotics, logical thinking, and coding. Build and program five different robot models using interchangeable components and a block-based programming interface. Control your creations in real-time and explore creative programming possibilities.

**Highlights:** Build 5 robot models in 3D, Learn basic programming concepts, Create custom robot programs, Control robots in real-time, Bluetooth® Low Energy communication, Block-based programming interface

**In-app purchases:** none


### Solar System Sim

[App page](https://appshunter.io/ios/app/solar-system-sim/id6447612221)

Simulate and explore celestial bodies within our solar system and beyond. Create your own solar systems, experiment with gravity and physics, and observe orbital mechanics in action.

**Highlights:** Explore planets and moons, Visit nearby stars, Create custom solar systems, Gravity and physics simulation, Recalculate orbits, Newton's laws implementation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HD Mars | $2.99 | one-time |
| HD Earth | $2.99 | one-time |
| HD Moon | $2.99 | one-time |
| No-ads | $3.99 | one-time |
| HD 3-body pack | $6.99 | one-time |

**What reviewers like**

- 🚀 Realistic simulation
- 🚀 Detailed solar system
- 🚀 Ability to create custom solar systems
- 🚀 Impressive graphics
- 🚀 Frequent updates

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🔋 High battery consumption
- 💰 Excessive ads
- 🐛 Saving and loading issues
- 🐛 Unstable orbits

**Reported bugs**

- Planets/moons disappearing after saving and loading
- Bright flashes and screen distortions
- Planets/objects getting stuck inside stars
- Crashes when colliding or editing certain objects
- Inconsistent orbital mechanics and moons ejecting from planets

**Requested features**

- Add more galaxy and nebula textures
- Implement realistic supernova effects
- Allow customization of planet atmospheres and terrain
- Add binary star systems and rogue planets
- Introduce a galaxy maker and collision feature


## Frequently asked questions

### Is Robomaker® free?

Robomaker® is free to download, with no in-app purchases.

### Is Solar System Sim free?

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

### Which has better reviews, Robomaker® or Solar System Sim?

Solar System Sim is rated higher. Robomaker® averages 4.3 out of 5 from 4 ratings, while Solar System Sim averages 4.5 from 4.3K ratings.

### Do Robomaker® or Solar System Sim have ads?

Solar System Sim shows ads; Robomaker® does not.

### Which is updated more often, Robomaker® or Solar System Sim?

Robomaker® ships an update every 4 weeks, and Solar System Sim every 4 days. Most recently, Robomaker® was updated on October 11, 2026 and Solar System Sim on October 22, 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.*