# Operation WarShell vs Zen Stack

The clearest difference is in-app purchases: Operation WarShell at none against Zen Stack's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zen Stack sells 1 one-off in-app purchase. Operation WarShell asks for nothing beyond the download.

## The numbers

| Metric | Operation WarShell | Zen Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/operation-warshell/id6758300407/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Monthly |
| Monetization | Ad-supported | — |
| Size | 276 MB | 50 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gnarly Game Studio](https://appshunter.io/developer/1823228040) | [Devrishi .](https://appshunter.io/developer/6792786288) |

## What reviewers say

### Operation WarShell

[App page](https://appshunter.io/ios/app/operation-warshell/id6758300407)

Engage in intense base-defense missions, commanding artillery to stop enemy units. Strategize weapon choices and ammo management across escalating tactical operations. Progress through challenging stages with diverse objectives and enemy types.

**Highlights:** Base-defense missions, Artillery command, Weapon upgrades, Ammo management, Mission-based progression, Tactical variety

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

**In-app purchases:** none


### Zen Stack

[App page](https://appshunter.io/ios/app/zen-stack-rise-and-stack/id6792786286)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Operation WarShell free?

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

### Is Zen Stack free?

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

### Do Operation WarShell or Zen Stack have ads?

Both Operation WarShell and Zen Stack show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*