# Stack Tower vs Nightmares Within

The clearest difference is in-app purchases: Stack Tower at none against Nightmares Within's 19. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Nightmares Within sells 18 one-off in-app purchases. Stack Tower asks for nothing beyond the download.

Stack Tower ships an update every 11 days, Nightmares Within every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stack Tower | Nightmares Within |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (22 ratings)](https://appshunter.io/ios/app/nightmares-within-zombie-game/id6761086723/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 996 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hector Lopez](https://appshunter.io/developer/1812945334) | [WaterBear Games](https://appshunter.io/developer/1887730542) |

## What reviewers say

### Stack Tower

[App page](https://appshunter.io/ios/app/stack-tower-reflex-game/id6757759959)

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

**In-app purchases:** none


### Nightmares Within

[App page](https://appshunter.io/ios/app/nightmares-within-zombie-game/id6761086723)

Embark on a survival mission on a cursed island, battling relentless undead in a 3D FPS open-world. Scavenge resources, manage ammo, and choose your combat strategy to uncover the secrets of an abandoned hospital.

**Highlights:** High-stakes survival gameplay, Resource scavenging and ammo management, Stealth and action combat options, Deep RPG progression and skill tree, Open-world exploration, Daily challenges and missions

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beginner's Gift Pack | $0.99 | one-time |
| Judgment Gift Pack | $1.99 | one-time |
| Limited-Time Gold Pack | $2.99 | one-time |
| Limited-Time Gold Pack | $4.99 | one-time |
| Monthly Member | $4.99 | one-time |
| Precision Part Supply Pack | $4.99 | one-time |
| Upgrade Boost Pack | $4.99 | one-time |
| Moderate Coins | $4.99 | one-time |
| Permanent VIP | $9.99 | one-time |
| Premium Pass | $9.99 | one-time |
| Precision Part Supply Pack | $9.99 | one-time |
| Limited-Time Gold Pack | $9.99 | one-time |
| Maul Pack | $9.99 | one-time |
| Pile of Coins | $9.99 | one-time |
| Premium Pass + | $19.99 | one-time |
| Loads of Coins | $19.99 | one-time |
| Sea of Coins | $49.99 | one-time |
| Ocean of Coins | $99.99 | one-time |


## Frequently asked questions

### Is Stack Tower free?

Stack Tower is free to download, with no in-app purchases.

### Is Nightmares Within free?

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

### Do Stack Tower or Nightmares Within have ads?

Both Stack Tower and Nightmares Within show ads.

### Which is updated more often, Stack Tower or Nightmares Within?

Stack Tower ships an update every 11 days, and Nightmares Within every 3 weeks. Most recently, Stack Tower was updated on October 28, 2026 and Nightmares Within on October 31, 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.*