# Castle Conqueror vs Backpack Alpaca

The clearest difference is in-app purchases: Castle Conqueror at none against Backpack Alpaca's 10. Backpack Alpaca's advantage is update cadence (every 3 months vs every 28 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Backpack Alpaca sells 10 one-off in-app purchases. Castle Conqueror asks for nothing beyond the download.

Castle Conqueror ships an update every 28 months, Backpack Alpaca every 3 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Castle Conqueror | Backpack Alpaca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/castle-conqueror/id1609451625/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 28 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 80 MB | 146 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Guangzhou Duoyi Trading Co., Ltd](https://appshunter.io/developer/1620123861) |

## What reviewers say

### Castle Conqueror

[App page](https://appshunter.io/ios/app/castle-conqueror/id1609451625)

Strategically deploy cannons to attack rival castles and outmaneuver enemy forces. Adjust your army size with precision to gain the upper hand in this intense war simulation.

**Highlights:** Castle attack gameplay, Strategic cannon deployment, Army size manipulation, Outnumbering enemy forces, Relentless war simulation

**Features:** macOS Compatibility

**In-app purchases:** none


### Backpack Alpaca

[App page](https://appshunter.io/ios/app/backpack-alpaca/id6746483389)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Movie Tickets × 5 | $0.29 | one-time |
| Founder's Bounty | $0.99 | one-time |
| Advertising Voucher Package | $0.99 | one-time |
| Limited-Time Legendary Package | $0.99 | one-time |
| Wish Package | $0.99 | one-time |
| Movie Tickets × 10 | $0.99 | one-time |
| Movie Tickets × 25 | $1.99 | one-time |
| Skin Package | $4.79 | one-time |
| Golden Monthly Card | $4.79 | one-time |
| Premium Monthly Card | $9.79 | one-time |


## Frequently asked questions

### Is Castle Conqueror free?

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

### Is Backpack Alpaca free?

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

### Do Castle Conqueror or Backpack Alpaca have ads?

Both Castle Conqueror and Backpack Alpaca show ads.

### Which is updated more often, Castle Conqueror or Backpack Alpaca?

Castle Conqueror ships an update every 28 months, and Backpack Alpaca every 3 months. Most recently, Castle Conqueror was updated on October 5, 2026 and Backpack Alpaca on October 11, 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.*