# Spin Siege vs Backpack Castle Heroes

The clearest difference is ads: Backpack Castle Heroes at none against Spin Siege's shown. Backpack Castle Heroes also leads on rating (4.7 vs 4.4). Spin Siege's advantage is update cadence (every 4 days vs every 11 days) and monetization model (ad-supported vs free with in-app purchases). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Spin Siege sells 10 one-off in-app purchases and Backpack Castle Heroes sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Backpack Castle Heroes holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 666 and 1.6K respectively. Written reviews point the same way: 29% of Spin Siege's written reviews are positive against 34% of Backpack Castle Heroes's.

Spin Siege ships an update every 4 days, Backpack Castle Heroes every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spin Siege | Backpack Castle Heroes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (666 ratings)](https://appshunter.io/ios/app/spin-siege/id6756491779/reviews) | **[4.7 (1.6K ratings)](https://appshunter.io/ios/app/backpack-castle-heroes/id6757511198/reviews)** |
| Number of ratings | 666 | **1.6K** |
| Positive reviews | 29.3% of reviews | **33.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 448 MB | 261 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rollic Games](https://appshunter.io/developer/1452111779) | [Neptune Company](https://appshunter.io/developer/539389569) |

## What reviewers say

### Spin Siege

[App page](https://appshunter.io/ios/app/spin-siege/id6756491779)

Engage in a fast-paced action RPG where strategic movement and bonus placement are crucial for survival. Navigate dynamic arenas, utilize character-specific abilities, and adapt to ever-changing challenges.

**Highlights:** Strategic bonus slot placement, Unique playable characters, Dynamic arenas and enemies, Fast-paced action gameplay, Satisfying progression system

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Small Diamond Pack | $4.99 | one-time |
| Special Offer - Hero Unlock LVL5 | $6.99 | one-time |
| Remove Unsolicited Ads | $6.99 | one-time |
| Special Offer - Rare Gear Set | $7.99 | one-time |
| Hero Bundle | $7.99 | one-time |
| Speed x2 | $7.99 | one-time |
| Special Offer - Hero Unlock LVL7 | $9.99 | one-time |
| Medium Diamond Pack | $9.99 | one-time |
| Premium Battle Pass | $14.99 | one-time |


### Backpack Castle Heroes

[App page](https://appshunter.io/ios/app/backpack-castle-heroes/id6757511198)

Defend your castle in this casual tower defense game. Strategically place heroes and weapons to survive endless enemy waves. Enjoy roguelike elements with random upgrades and merge mechanics for a unique strategic experience.

**Highlights:** Tower defense gameplay, Strategic unit placement, Endless enemy waves, Roguelike random upgrades, Hero and gear merging, Offline play

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| onetime_event_level_1_package | $0.99 | one-time |
| onetime_event_level_2_package | $1.99 | one-time |
| Starter Package 1 | $1.99 | one-time |
| ingamespeed_boost_package | $2.99 | one-time |
| No Forced Ads | $3.99 | one-time |
| Legend_Weapon_Package_100005 | $4.99 | one-time |
| Legend_Weapon_Package_100004 | $4.99 | one-time |
| Bless_Package_10002 | $6.99 | one-time |
| No Forced Ads And Currency Package | $6.99 | one-time |
| VVIP_NoAds_Package_103 | $14.99 | one-time |


## Frequently asked questions

### Is Spin Siege free?

Spin Siege is free to download, with in-app purchases available.

### Is Backpack Castle Heroes free?

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

### Which has better reviews, Spin Siege or Backpack Castle Heroes?

Backpack Castle Heroes is rated higher. Spin Siege averages 4.4 out of 5 from 666 ratings, while Backpack Castle Heroes averages 4.7 from 1.6K ratings.

### Do Spin Siege or Backpack Castle Heroes have ads?

Spin Siege shows ads; Backpack Castle Heroes does not.

### Which is updated more often, Spin Siege or Backpack Castle Heroes?

Spin Siege ships an update every 4 days, and Backpack Castle Heroes every 11 days. Most recently, Spin Siege was updated on October 30, 2026 and Backpack Castle Heroes on October 31, 2026.

---

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