# Dummy Defense vs Arrow Stack!

The clearest difference is price: Arrow Stack! at Free against Dummy Defense's $0.99. Arrow Stack! also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs every 5 months). Dummy Defense's advantage is ads (none vs shown) and iOS requirement (8.0 vs 13.0). On device support there is nothing between them.

Arrow Stack! is free to download; Dummy Defense costs $0.99 up front. Dummy Defense sells 3 one-off in-app purchases. Arrow Stack! asks for nothing beyond the download.

Dummy Defense ships an update every 5 months, Arrow Stack! every 3 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Dummy Defense | Arrow Stack! |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.2 (57 ratings)](https://appshunter.io/ios/app/dummy-defense/id460832678/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 222 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Jundroo, LLC](https://appshunter.io/developer/311852133) | [文晚 鲁](https://appshunter.io/developer/1885341239) |

## What reviewers say

### Dummy Defense

[App page](https://appshunter.io/ios/app/dummy-defense/id460832678)

Design structures to protect a ragdoll character from various hazards using a blueprint editor. Earn stars by building cost-effective and strong defenses, with tools to visualize stress and slow down time for analysis.

**Highlights:** Blueprint editor for designing structures, Realistic physics simulation, Ragdoll physics, Stress display for problem areas, Slow motion slider, Save/Load designs, Email blueprints to friends

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solution Pack 1 | $0.99 | one-time |
| Solution Pack 2 | $0.99 | one-time |
| Instruments of Death Level Pack | $0.99 | one-time |

**What reviewers like**

- 🚀 Great engineering game
- 👍 Fun and challenging
- 💡 Helps develop physical awareness
- 👍 Enjoyable for all ages
- 👍 Encourages creative thinking

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🐛 Inverted/upside-down controls
- 🐛 Lack of sound effects
- 🐛 Difficulty with certain levels

**Reported bugs**

- Game starts upside down and controls don't work
- Inputs are inverted on iPad
- Crashes on some devices
- Glitches with removing elements

**Requested features**

- More levels and content
- Sandbox mode with more customization
- Hint system or tutorial
- Ability to restore purchases


### Arrow Stack!

[App page](https://appshunter.io/ios/app/arrow-stack/id6781169463)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dummy Defense free?

Dummy Defense costs $0.99, and also offers in-app purchases.

### Is Arrow Stack! free?

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

### Do Dummy Defense or Arrow Stack! have ads?

Arrow Stack! shows ads; Dummy Defense does not.

### Which is updated more often, Dummy Defense or Arrow Stack!?

Dummy Defense ships an update every 5 months, and Arrow Stack! every 3 days. Most recently, Dummy Defense was updated on October 14, 2026 and Arrow Stack! on October 6, 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.*