# Backpack Alpaca vs Ninja Scroll Rush

The clearest difference is update cadence: Ninja Scroll Rush at every 3 weeks against Backpack Alpaca's every 3 months. Backpack Alpaca's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Backpack Alpaca sells 10 one-off in-app purchases and Ninja Scroll Rush sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Backpack Alpaca ships an update every 3 months, Ninja Scroll Rush every 3 weeks. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Backpack Alpaca | Ninja Scroll Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (12 ratings)](https://appshunter.io/ios/app/ninja-scroll-rush/id6755685134/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 146 MB | 310 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Guangzhou Duoyi Trading Co., Ltd](https://appshunter.io/developer/1620123861) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### 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 |


### Ninja Scroll Rush

[App page](https://appshunter.io/ios/app/ninja-scroll-rush/id6755685134)

Merge ninja weapons like shurikens and katanas within your scroll to prepare for automatic side-scrolling combat. Strategically arrange your arsenal on the fly to defeat waves of enemies and collect loot in this fast-paced action game.

**Highlights:** Merge ninja weapons, Automatic side-scrolling combat, On-the-fly scroll arrangement, Collect loot mid-run, Defeat waves of enemies, Strategic arsenal management

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Rewarded skip | $0.99 | one-time |
| 100 Gem Pack | $0.99 | one-time |
| Beginner Pack | $1.49 | one-time |
| No Ads | $2.99 | one-time |
| 50 Rewarded skip | $2.99 | one-time |
| 100 Rewarded skip | $4.99 | one-time |
| No Ads Pack | $4.99 | one-time |
| Advanced Pack | $4.99 | one-time |
| 500 Gem Pack | $5.99 | one-time |
| 1500 Gem Pack | $17.99 | one-time |
| 3000 Gem Pack | $34.99 | one-time |
| 5000 Gem Pack | $59.99 | one-time |
| 10000 Gem Pack | $99.99 | one-time |


## Frequently asked questions

### Is Backpack Alpaca free?

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

### Is Ninja Scroll Rush free?

Ninja Scroll Rush is free to download, with in-app purchases available.

### Do Backpack Alpaca or Ninja Scroll Rush have ads?

Both Backpack Alpaca and Ninja Scroll Rush show ads.

### Which is updated more often, Backpack Alpaca or Ninja Scroll Rush?

Backpack Alpaca ships an update every 3 months, and Ninja Scroll Rush every 3 weeks. Most recently, Backpack Alpaca was updated on September 25, 2026 and Ninja Scroll Rush on September 18, 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.*