# Casus Belli vs Abyss Grinder

The clearest difference is in-app purchases: Abyss Grinder at none against Casus Belli's 1. Abyss Grinder also leads on update cadence (fortnightly vs every 15 months). Casus Belli's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Casus Belli sells 1 one-off in-app purchase. Abyss Grinder asks for nothing beyond the download.

Casus Belli ships an update every 15 months, Abyss Grinder fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Casus Belli | Abyss Grinder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/casus-belli-war-simulation/id1638103897/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 151 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [KIDOKO INSIDE TECHNOLOGIES LTD](https://appshunter.io/developer/684375018) | [Sohn Jarin](https://appshunter.io/developer/6788381997) |

## What reviewers say

### Casus Belli

[App page](https://appshunter.io/ios/app/casus-belli-war-simulation/id1638103897)

Engage in realistic aerial and ground combat with a variety of military vehicles. Experience dynamic battles with sophisticated AI and diverse gameplay scenarios. Optimized for larger screens, this simulation offers an immersive and strategic warfare experience.

**Highlights:** Real-time 2D war simulation, Command F-16, F-15, F-22, F-35 fighters, Control planes, helicopters, tanks, and soldiers, Sophisticated AI adversary, Variety of mini-game scenarios, Decoy and ejection mechanics, Anti-missile systems for tanks

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy full version | $0.99 | one-time |


### Abyss Grinder

[App page](https://appshunter.io/ios/app/abyss-grinder-endless-faller/id6788381995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Casus Belli free?

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

### Is Abyss Grinder free?

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

### Do Casus Belli or Abyss Grinder have ads?

Abyss Grinder shows ads; Casus Belli does not.

### Which is updated more often, Casus Belli or Abyss Grinder?

Casus Belli ships an update every 15 months, and Abyss Grinder fortnightly. Most recently, Casus Belli was updated on November 3, 2026 and Abyss Grinder on October 31, 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.*