# Interplanetary III vs Mars Perseverance 3D Simulator

The clearest difference is price: Mars Perseverance 3D Simulator at Free against Interplanetary III's $0.99. Mars Perseverance 3D Simulator also leads on in-app purchases (none vs 4) and review sentiment (59% vs 33%). Interplanetary III's advantage is rating (4.5 vs 4.0) and ads (none vs shown). On device support there is nothing between them.

Mars Perseverance 3D Simulator is free to download; Interplanetary III costs $0.99 up front. Interplanetary III sells 4 one-off in-app purchases. Mars Perseverance 3D Simulator asks for nothing beyond the download.

Interplanetary III holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Mars Perseverance 3D Simulator has 178 ratings behind it against 23, so its average is the more settled of the two. Written reviews complicate that: 33% of Interplanetary III's written reviews are positive against 59% of Mars Perseverance 3D Simulator's, so the app with the better star average is not the one people write more warmly about.

Interplanetary III ships an update every 2 weeks, Mars Perseverance 3D Simulator every 66 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Interplanetary III | Mars Perseverance 3D Simulator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/interplanetary-iii/id1435464696/reviews)** | [4.0 (178 ratings)](https://appshunter.io/ios/app/mars-perseverance-3d-simulator/id1569535062/reviews) |
| Number of ratings | 23 | **178** |
| Positive reviews | 33.3% of reviews | **59.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 66 months |
| Monetization | Paid | **Ad-supported** |
| Size | 338 MB | 219 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wenda Li](https://appshunter.io/developer/1435464695) | [Renzo Macedo](https://appshunter.io/developer/1403943580) |

## What reviewers say

### Interplanetary III

[App page](https://appshunter.io/ios/app/interplanetary-iii/id1435464696)

Experience an immersive 3D rocket simulation game. Launch, fly, and control renowned rockets from around the world to destinations like the Moon and Mars. Navigate through space encountering meteorites and asteroids for a thrilling journey.

**Highlights:** 3D rocket simulation, Launch and fly rockets, Control renowned rockets, Explore Moon and Mars, Encounter space phenomena, Simple launch mechanics

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Cosmic Cube | $1.99 | one-time |
| Three Cosmic Cubes | $4.99 | one-time |
| Six Cosmic Cubes | $8.99 | one-time |
| Own All Rockets | $19.99 | one-time |


### Mars Perseverance 3D Simulator

[App page](https://appshunter.io/ios/app/mars-perseverance-3d-simulator/id1569535062)

Experience the Mars Perseverance rover's landing and exploration. Pilot the rover across the Martian surface and fly the Ingenuity drone in this realistic space simulator.

**Highlights:** Relive Perseverance rover's Mars arrival, Enter Martian atmosphere and land, Pilot the rover on the surface, Fly the Ingenuity drone, Based on real NASA mission

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

**In-app purchases:** none


## Frequently asked questions

### Is Interplanetary III free?

Interplanetary III costs $0.99, and also offers in-app purchases.

### Is Mars Perseverance 3D Simulator free?

Mars Perseverance 3D Simulator is free to download, with no in-app purchases.

### Which has better reviews, Interplanetary III or Mars Perseverance 3D Simulator?

Interplanetary III is rated higher. Interplanetary III averages 4.5 out of 5 from 23 ratings, while Mars Perseverance 3D Simulator averages 4.0 from 178 ratings.

### Do Interplanetary III or Mars Perseverance 3D Simulator have ads?

Mars Perseverance 3D Simulator shows ads; Interplanetary III does not.

### Which is updated more often, Interplanetary III or Mars Perseverance 3D Simulator?

Interplanetary III ships an update every 2 weeks, and Mars Perseverance 3D Simulator every 66 months. Most recently, Interplanetary III was updated on November 2, 2026 and Mars Perseverance 3D Simulator on October 25, 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.*