# Groundfall vs MarsMissionPro

The clearest difference is rating: MarsMissionPro at 5.0 against Groundfall's 3.0. MarsMissionPro also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Groundfall sells 1 one-off in-app purchase. MarsMissionPro asks for nothing beyond the download.

MarsMissionPro holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Groundfall ships an update every 2 months, MarsMissionPro every 3 weeks. The most recent releases landed on September 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Groundfall | MarsMissionPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/groundfall/id6761408997/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marsmissionpro/id6761924727/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 3 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kodjovi Mlapa](https://appshunter.io/developer/1884325240) | [Shashwat Patel](https://appshunter.io/developer/1873309489) |

## What reviewers say

### Groundfall

[App page](https://appshunter.io/ios/app/groundfall/id6761408997)

Explore the devastating effects of nuclear weapons with this educational simulator. Visualize blast zones, thermal radiation, and fallout patterns on any location. Learn about nuclear physics, history, and preparedness through clear simulations and real-world scenarios.

**Highlights:** Simulate nuclear weapon effects, Visualize blast, thermal, and fallout zones, Compare weapon yields, Analyze fallout direction, Estimate casualties and damage, Learn nuclear physics and history, Save and export simulation results

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Groundfall Full Access | $9.99 | one-time |


### MarsMissionPro

[App page](https://appshunter.io/ios/app/marsmissionpro/id6761924727)

Explore the intricacies of Mars missions with this educational app. It features orbital visualization, rocket calculations, crew planning, and interactive learning tools to understand interplanetary travel and resource management.

**Highlights:** 2D Solar System Orbit View, Rocket Delta V Calculator, Launch Window Calculator, Crew Mission Planner, Life Support Mass Estimator, Interactive Learning Modules

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

**In-app purchases:** none


## Frequently asked questions

### Is Groundfall free?

Groundfall is free to download, with in-app purchases available.

### Is MarsMissionPro free?

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

### Which has better reviews, Groundfall or MarsMissionPro?

MarsMissionPro is rated higher. Groundfall averages 3.0 out of 5 from 1 ratings, while MarsMissionPro averages 5.0 from 1 ratings.

### Do Groundfall or MarsMissionPro have ads?

Neither Groundfall nor MarsMissionPro shows ads.

### Which is updated more often, Groundfall or MarsMissionPro?

Groundfall ships an update every 2 months, and MarsMissionPro every 3 weeks. Most recently, Groundfall was updated on September 12, 2026 and MarsMissionPro on October 15, 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.*