# LaserLab Defense vs Shadow Puzzle

The clearest difference is ads: Shadow Puzzle at none against LaserLab Defense's shown. LaserLab Defense's advantage is update cadence (daily vs every 3 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LaserLab Defense ships an update daily, Shadow Puzzle every 3 days. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | LaserLab Defense | Shadow Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/laserlab-defense/id6745479195/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Ad-supported | — |
| Size | 363 MB | 43 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Roshka S.A.](https://appshunter.io/developer/297207493) | [WeeTech Solution](https://appshunter.io/developer/725625015) |

## What reviewers say

### LaserLab Defense

[App page](https://appshunter.io/ios/app/laserlab-defense/id6745479195)

Build advanced laser defenses to combat waves of zombies. Upgrade your lab and unlock new strategies to protect humanity in this unique tower defense game.

**Highlights:** Build laser-based traps, Fight relentless zombie waves, Upgrade your lab, Unlock new defenses, Test strategies against the undead

**Features:** macOS Compatibility

**In-app purchases:** none


### Shadow Puzzle

[App page](https://appshunter.io/ios/app/shadow-puzzle-brain-challenge/id6771012765)

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

**In-app purchases:** none


## Frequently asked questions

### Is LaserLab Defense free?

LaserLab Defense is free to download, with no in-app purchases.

### Is Shadow Puzzle free?

Shadow Puzzle is free to download, with no in-app purchases.

### Do LaserLab Defense or Shadow Puzzle have ads?

LaserLab Defense shows ads; Shadow Puzzle does not.

### Which is updated more often, LaserLab Defense or Shadow Puzzle?

LaserLab Defense ships an update daily, and Shadow Puzzle every 3 days. Most recently, LaserLab Defense was updated on October 6, 2026 and Shadow Puzzle on October 28, 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.*