# Groundfall vs Gabfest

The clearest difference is in-app purchases: Gabfest at none against Groundfall's 1. Gabfest also leads on update cadence (every 5 days vs every 2 months). Groundfall's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Groundfall ships an update every 2 months, Gabfest every 5 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Groundfall | Gabfest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/groundfall/id6761408997/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 62 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kodjovi Mlapa](https://appshunter.io/developer/1884325240) | [Varaisys PVT LTd](https://appshunter.io/developer/1896583585) |

## 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 |


### Gabfest

[App page](https://appshunter.io/ios/app/gabfest-speak-english-with-ai/id6768539607)

**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 Gabfest free?

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

### Do Groundfall or Gabfest have ads?

Gabfest shows ads; Groundfall does not.

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

Groundfall ships an update every 2 months, and Gabfest every 5 days. Most recently, Groundfall was updated on October 31, 2026 and Gabfest on October 28, 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.*