# Backpack Castle Heroes vs Stackonaut

The clearest difference is device support: Backpack Castle Heroes at 3 against Stackonaut's 1. Backpack Castle Heroes also leads on iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Backpack Castle Heroes sells 17 one-off in-app purchases and Stackonaut sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Backpack Castle Heroes | Stackonaut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/backpack-castle-heroes/id6757511198/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 34.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 261 MB | 23 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Neptune Company](https://appshunter.io/developer/539389569) | [Dropouts Technologies LLP](https://appshunter.io/developer/575481782) |

## What reviewers say

### 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 (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| onetime_event_level_1_package | $0.99 | one-time |
| Gem Sail 1_1 | $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 |
| Gem Sail 1_2 | $4.99 | one-time |
| Bless_Package_10002 | $6.99 | one-time |
| No Forced Ads And Currency Package | $6.99 | one-time |
| Gem Sail 1_3 | $9.99 | one-time |
| ArtureHero_1004 | $11.99 | one-time |
| VVIP_NoAds_Package_103 | $14.99 | one-time |
| VVIP_NoAds_Package_102 | $18.99 | one-time |
| Gem Sail 1_4 | $19.99 | one-time |
| Gem Sail 1_5 | $49.99 | one-time |


### Stackonaut

[App page](https://appshunter.io/ios/app/stackonaut-stack-to-space/id6800777757)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Backpack Castle Heroes free?

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

### Is Stackonaut free?

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

### Do Backpack Castle Heroes or Stackonaut have ads?

Neither Backpack Castle Heroes nor Stackonaut shows ads.

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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.*